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579 lines
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579 lines
323 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
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<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="H01F" definition-exists="true" date-revised="2023-02-01" status="published"><classification-symbol>H01F</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>MAGNETS</text></title-part><title-part><text>INDUCTANCES</text></title-part><title-part><text>TRANSFORMERS</text></title-part><title-part><text>SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES </text><reference><text>ceramics based on ferrites <class-ref scheme="cpc">C04B35/26</class-ref>; alloys <class-ref scheme="cpc">C22C</class-ref> </text><CPC-specific-text><text>; construction of loading coils <class-ref scheme="cpc">H01B</class-ref></text></CPC-specific-text><text>; loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers <class-ref scheme="cpc">H04R</class-ref>; thermomagnetic devices <class-ref scheme="cpc">H10N15/00</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>In this subclass, inductances and transformers are regarded as being "for power supply" if they are intended for this purpose even in systems operating at frequencies above 60 cycles/sec.</note-paragraph></note><note type="warning"><note-paragraph>In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="H01F1/00" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01F1/00" definition-exists="true" ipc-concordant="H01F1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H01F1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Magnets or magnetic bodies characterised by the magnetic materials therefor</text></title-part><title-part><text>Selection of materials for their magnetic properties</text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph>Attention is drawn to Note (3) after the title of section <class-ref scheme="cpc">C</class-ref>, which Note indicates to which version of the periodic table of chemical elements the IPC refers. In this group, the Periodic System used is the 8 group system indicated by Roman numerals in the Periodic Table thereunder.</note-paragraph><note-paragraph><CPC-specific-note>Group <class-ref scheme="cpc">H01F1/0036</class-ref> takes precedence over groups <class-ref scheme="cpc">H01F1/09</class-ref>, <class-ref scheme="cpc">H01F1/11</class-ref>, <class-ref scheme="cpc">H01F1/20</class-ref>, <class-ref scheme="cpc">H01F1/33</class-ref> and <class-ref scheme="cpc">H01F1/36</class-ref></CPC-specific-note></note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F1/0009" definition-exists="false" ipc-concordant="H01F1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>H01F1/0009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Antiferromagnetic materials, i.e. materials exhibiting a Néel transition temperature </text><reference><text><class-ref scheme="cpc">H01F1/0036</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F1/0018" definition-exists="false" ipc-concordant="H01F1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0018</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Diamagnetic or paramagnetic materials, i.e. materials with low susceptibility and no hysteresis </text><reference><text><class-ref scheme="cpc">H01F1/0036</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F1/0027" definition-exists="true" ipc-concordant="H01F1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H01F1/0027</classification-symbol><class-title date-revised="2019-05-01"><title-part><CPC-specific-text><text>Thick magnetic films </text><reference><text>forming thick magnetic films <class-ref scheme="cpc">H01F41/16</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F1/0036" definition-exists="true" ipc-concordant="H01F1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>H01F1/0036</classification-symbol><class-title date-revised="2023-02-01"><title-part><CPC-specific-text><text>showing low dimensional magnetism, i.e. spin rearrangements due to a restriction of dimensions, e.g. showing giant magnetoresistivity, </text><reference><text><class-ref scheme="cpc">H01F1/153</class-ref>, <class-ref scheme="cpc">H01F1/42</class-ref> and <class-ref scheme="cpc">H01F10/00</class-ref> take precedence; magnetoresistive sensors <class-ref scheme="cpc">G01D5/16</class-ref>, <class-ref scheme="cpc">G01R33/06</class-ref>; magnetoresistive recording <class-ref scheme="cpc">G11B5/39</class-ref>; magnetic-field-controlled resistors <class-ref scheme="cpc">H10N50/10</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F1/0045" definition-exists="false" ipc-concordant="H01F1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H01F1/0045</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>Zero dimensional, e.g. nanoparticles, soft nanoparticles for medical/biological use </text><reference><text>preparation of fullerenes in general <class-ref scheme="cpc">C01B32/15</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F1/0054" definition-exists="false" ipc-concordant="H01F1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0054</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coated nanoparticles, e.g. nanoparticles coated with organic surfactant</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F1/0063" definition-exists="false" ipc-concordant="H01F1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a non-magnetic matrix, e.g. granular solids </text><reference><text>granular films <class-ref scheme="cpc">H01F10/007</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F1/0072" definition-exists="false" ipc-concordant="H01F1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0072</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>one dimensional, i.e. linear or dendritic nanostructures</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F1/0081" definition-exists="false" ipc-concordant="H01F1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a non-magnetic matrix, e.g. Fe-nanowires in a nanoporous membrane</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F1/009" definition-exists="false" ipc-concordant="H01F1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>bidimensional, e.g. nanoscale period nanomagnet arrays </text><reference><text><class-ref scheme="cpc">H01F10/007</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F1/01" definition-exists="true" ipc-concordant="H01F1/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of inorganic materials </text><reference><text><class-ref scheme="cpc">H01F1/44</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F1/012" definition-exists="false" ipc-concordant="H01F1/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/012</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>adapted for magnetic entropy change by magnetocaloric effect, e.g. used as magnetic refrigerating material </text><reference><text>refrigeration systems using magnetic effects <class-ref scheme="cpc">F25B21/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F1/015" definition-exists="false" ipc-concordant="H01F1/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Metals or alloys</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F1/017" definition-exists="false" ipc-concordant="H01F1/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/017</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Compounds</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F1/03" definition-exists="true" ipc-concordant="H01F1/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by their coercivity </text><CPC-specific-text><reference><text><class-ref scheme="cpc">H01F1/40</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F1/0302" definition-exists="false" ipc-concordant="H01F1/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0302</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F1/0304" definition-exists="false" ipc-concordant="H01F1/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0304</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>adapted for large Barkhausen jumps or domain wall rotations, e.g. WIEGAND or MATTEUCCI effect </text><reference><text><class-ref scheme="cpc">H01F1/143</class-ref> and <class-ref scheme="cpc">H01F1/15391</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F1/0306" definition-exists="false" ipc-concordant="H01F1/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0306</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Metals or alloys, e.g. LAVES phase alloys of the MgCu<sub>2</sub>-type </text><reference><text><class-ref scheme="cpc">H01F1/0304</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F1/0308" definition-exists="false" ipc-concordant="H01F1/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0308</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with magnetic shape memory [MSM], i.e. with lattice transformations driven by a magnetic field, e.g. Heusler alloys</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F1/0311" definition-exists="false" ipc-concordant="H01F1/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0311</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Compounds </text><reference><text><class-ref scheme="cpc">H01F1/0304</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F1/0313" definition-exists="false" ipc-concordant="H01F1/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0313</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Oxidic compounds</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F1/0315" definition-exists="false" ipc-concordant="H01F1/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0315</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ferrites</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F1/0317" definition-exists="false" ipc-concordant="H01F1/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0317</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manganites</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F1/032" definition-exists="true" ipc-concordant="H01F1/032" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/032</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of hard-magnetic materials</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F1/04" definition-exists="false" ipc-concordant="H01F1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H01F1/04</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>metals or alloys</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F1/047" definition-exists="false" ipc-concordant="H01F1/047" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>H01F1/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys characterised by their composition</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> In groups <class-ref scheme="cpc">H01F1/053</class-ref> - <class-ref scheme="cpc">H01F1/059</class-ref>, an alloy is classified in the last appropriate place </note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F1/053" definition-exists="false" ipc-concordant="H01F1/053" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/053</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing rare earth metals</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/0533" definition-exists="false" ipc-concordant="H01F1/053" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0533</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a bonding agent</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/0536" definition-exists="false" ipc-concordant="H01F1/053" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0536</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>sintered</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/055" definition-exists="false" ipc-concordant="H01F1/055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/055</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>and magnetic transition metals, e.g. SmCo<sub>5</sub></text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H01F1/0551" definition-exists="false" ipc-concordant="H01F1/055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0551</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in the form of particles, e.g. rapid quenched powders or ribbon flakes</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="16" additional-only="false" sort-key="H01F1/0552" definition-exists="false" ipc-concordant="H01F1/055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0552</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a protective layer</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H01F1/0553" definition-exists="false" ipc-concordant="H01F1/055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0553</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>obtained by reduction or by hydrogen decrepitation or embrittlement</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H01F1/0555" definition-exists="false" ipc-concordant="H01F1/055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0555</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>pressed, sintered or bonded together</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="16" additional-only="false" sort-key="H01F1/0556" definition-exists="false" ipc-concordant="H01F1/055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0556</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>pressed</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="16" additional-only="false" sort-key="H01F1/0557" definition-exists="false" ipc-concordant="H01F1/055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0557</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>sintered</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="16" additional-only="false" sort-key="H01F1/0558" definition-exists="false" ipc-concordant="H01F1/055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0558</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>bonded together</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H01F1/057" definition-exists="false" ipc-concordant="H01F1/057" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/057</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>and IIIa elements, e.g. Nd<sub>2</sub>Fe<sub>14</sub>B</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="16" additional-only="false" sort-key="H01F1/0571" definition-exists="false" ipc-concordant="H01F1/057" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0571</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in the form of particles, e.g. rapid quenched powders or ribbon flakes</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="17" additional-only="false" sort-key="H01F1/0572" definition-exists="false" ipc-concordant="H01F1/057" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0572</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a protective layer</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="17" additional-only="false" sort-key="H01F1/0573" definition-exists="false" ipc-concordant="H01F1/057" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0573</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>obtained by reduction or by hydrogen decrepitation or embrittlement</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="17" additional-only="false" sort-key="H01F1/0574" definition-exists="false" ipc-concordant="H01F1/057" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0574</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>obtained by liquid dynamic compaction</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="17" additional-only="false" sort-key="H01F1/0575" definition-exists="false" ipc-concordant="H01F1/057" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0575</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>pressed, sintered or bonded together</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="18" additional-only="false" sort-key="H01F1/0576" definition-exists="false" ipc-concordant="H01F1/057" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0576</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>pressed, e.g. hot working</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="18" additional-only="false" sort-key="H01F1/0577" definition-exists="false" ipc-concordant="H01F1/057" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0577</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>sintered</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="18" additional-only="false" sort-key="H01F1/0578" definition-exists="false" ipc-concordant="H01F1/057" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0578</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>bonded together</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="16" additional-only="false" sort-key="H01F1/0579" definition-exists="false" ipc-concordant="H01F1/057" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0579</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with exchange spin coupling between hard and soft nanophases, e.g. nanocomposite spring magnets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H01F1/058" definition-exists="false" ipc-concordant="H01F1/058" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/058</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>and IVa elements, e.g. Gd<sub>2</sub>Fe<sub>14</sub>C</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H01F1/059" definition-exists="false" ipc-concordant="H01F1/059" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/059</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>and Va elements, e.g. Sm<sub>2</sub>Fe<sub>17</sub>N<sub>2</sub></text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="16" additional-only="false" sort-key="H01F1/0593" definition-exists="false" ipc-concordant="H01F1/059" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0593</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of tetragonal ThMn<sub>12</sub>-structure</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="16" additional-only="false" sort-key="H01F1/0596" definition-exists="false" ipc-concordant="H01F1/059" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/0596</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of rhombic or rhombohedral Th<sub>2</sub>Zn<sub>17</sub> structure or hexagonal Th<sub>2</sub>Ni<sub>17</sub> structure</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F1/06" definition-exists="true" ipc-concordant="H01F1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H01F1/06</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>in the form of particles, e.g. powder </text><reference><text><class-ref scheme="cpc">H01F1/047</class-ref> takes precedence </text><CPC-specific-text><text>; record carriers <class-ref scheme="cpc">G11B5/70605</class-ref></text></CPC-specific-text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F1/061" definition-exists="false" ipc-concordant="H01F1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a protective layer</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F1/063" definition-exists="false" ipc-concordant="H01F1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a non magnetic core</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F1/065" definition-exists="false" ipc-concordant="H01F1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>obtained by a reduction</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F1/066" definition-exists="false" ipc-concordant="H01F1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>obtained by liquid dynamic compaction</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F1/068" definition-exists="false" ipc-concordant="H01F1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>H01F1/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a L10 crystallographic structure, e.g. [Co,Fe][Pt,Pd] (nano)particles</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F1/08" definition-exists="false" ipc-concordant="H01F1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>pressed, sintered, or bound together</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/083" definition-exists="false" ipc-concordant="H01F1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a bonding agent</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/086" definition-exists="false" ipc-concordant="H01F1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>sintered</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F1/09" definition-exists="true" ipc-concordant="H01F1/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H01F1/09</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>mixtures of metallic and non-metallic particles</text></title-part><title-part><text>metallic particles having oxide skin</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F1/10" definition-exists="true" ipc-concordant="H01F1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H01F1/10</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>non-metallic substances, e.g. ferrites </text><CPC-specific-text><text>, e.g. [(Ba,Sr)O(Fe<sub>2</sub>O<sub>3</sub>)<sub>6</sub>] ferrites with hexagonal structure</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F1/11" definition-exists="false" ipc-concordant="H01F1/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in the form of particles </text><CPC-specific-text><reference><text>for magnetic record carriers <class-ref scheme="cpc">G11B5/70626</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F1/111" definition-exists="false" ipc-concordant="H01F1/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/111</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a non-magnetic core</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F1/112" definition-exists="false" ipc-concordant="H01F1/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/112</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a skin </text><reference><text><class-ref scheme="cpc">H01F1/113</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F1/113" definition-exists="false" ipc-concordant="H01F1/113" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/113</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a bonding agent</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/117" definition-exists="false" ipc-concordant="H01F1/117" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/117</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flexible bodies</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F1/12" definition-exists="true" ipc-concordant="H01F1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of soft-magnetic materials</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F1/14" definition-exists="false" ipc-concordant="H01F1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H01F1/14</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>metals or alloys</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F1/143" definition-exists="false" ipc-concordant="H01F1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/143</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in the form of wires </text><reference><text><class-ref scheme="cpc">H01F1/147</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F1/147" definition-exists="false" ipc-concordant="H01F1/147" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>H01F1/147</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys characterised by their composition </text><CPC-specific-text><reference><text>treatment thereof for enhancing their electromagnetic properties <class-ref scheme="cpc">C21D8/12</class-ref></text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> In groups <class-ref scheme="cpc">H01F1/14708</class-ref> - <class-ref scheme="cpc">H01F1/15391</class-ref>, an alloy is classified in the last appropriate place </note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F1/14708" definition-exists="false" ipc-concordant="H01F1/147" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/14708</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fe-Ni based alloys </text><reference><text>pure Fe or Ni <class-ref scheme="cpc">H01F1/14</class-ref>, <class-ref scheme="cpc">H01F1/16</class-ref> or <class-ref scheme="cpc">H01F1/20</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/14716" definition-exists="false" ipc-concordant="H01F1/147" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/14716</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in the form of sheets</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H01F1/14725" definition-exists="false" ipc-concordant="H01F1/147" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/14725</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with insulating coating</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/14733" definition-exists="false" ipc-concordant="H01F1/147" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/14733</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in the form of particles</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H01F1/14741" definition-exists="false" ipc-concordant="H01F1/147" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/14741</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>pressed, sintered or bonded together</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="16" additional-only="false" sort-key="H01F1/1475" definition-exists="false" ipc-concordant="H01F1/147" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/1475</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the particles being insulated</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="17" additional-only="false" sort-key="H01F1/14758" definition-exists="false" ipc-concordant="H01F1/147" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/14758</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by macromolecular organic substances</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F1/14766" definition-exists="false" ipc-concordant="H01F1/147" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/14766</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fe-Si based alloys</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/14775" definition-exists="false" ipc-concordant="H01F1/147" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/14775</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in the form of sheets</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H01F1/14783" definition-exists="false" ipc-concordant="H01F1/147" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/14783</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with insulating coating</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/14791" definition-exists="false" ipc-concordant="H01F1/147" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/14791</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fe-Si-Al based alloys, e.g. Sendust</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F1/153" definition-exists="true" ipc-concordant="H01F1/153" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/153</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Amorphous metallic alloys, e.g. glassy metals </text><CPC-specific-text><reference><text>making ferrous amorphous alloys <class-ref scheme="cpc">C22C33/003</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/15308" definition-exists="false" ipc-concordant="H01F1/153" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/15308</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>based on Fe/Ni </text><reference><text><class-ref scheme="cpc">H01F1/15325</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/15316" definition-exists="false" ipc-concordant="H01F1/153" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/15316</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>based on Co </text><reference><text><class-ref scheme="cpc">H01F1/15325</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/15325" definition-exists="false" ipc-concordant="H01F1/153" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/15325</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing rare earths</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/15333" definition-exists="false" ipc-concordant="H01F1/153" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/15333</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing nanocrystallites, e.g. obtained by annealing</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/15341" definition-exists="false" ipc-concordant="H01F1/153" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/15341</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Preparation processes therefor</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H01F1/1535" definition-exists="false" ipc-concordant="H01F1/153" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/1535</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by powder metallurgy, e.g. spark erosion</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/15358" definition-exists="false" ipc-concordant="H01F1/153" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/15358</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Making agglomerates therefrom, e.g. by pressing</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H01F1/15366" definition-exists="false" ipc-concordant="H01F1/153" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/15366</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a binder</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="16" additional-only="false" sort-key="H01F1/15375" definition-exists="false" ipc-concordant="H01F1/153" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/15375</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using polymers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/15383" definition-exists="false" ipc-concordant="H01F1/153" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/15383</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Applying coatings thereon </text><reference><text><class-ref scheme="cpc">H01F1/15366</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/15391" definition-exists="false" ipc-concordant="H01F1/153" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/15391</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Elongated structures, e.g. wires</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F1/16" definition-exists="true" ipc-concordant="H01F1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in the form of sheets </text><reference><text><class-ref scheme="cpc">H01F1/147</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F1/18" definition-exists="false" ipc-concordant="H01F1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with insulating coating</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F1/20" definition-exists="true" ipc-concordant="H01F1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in the form of particles, e.g. powder </text><reference><text><class-ref scheme="cpc">H01F1/147</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F1/22" definition-exists="false" ipc-concordant="H01F1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>pressed, sintered, or bound together</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/24" definition-exists="false" ipc-concordant="H01F1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the particles being insulated</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H01F1/26" definition-exists="false" ipc-concordant="H01F1/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by macromolecular organic substances</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F1/28" definition-exists="false" ipc-concordant="H01F1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>dispersed or suspended in a bonding agent</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F1/33" definition-exists="true" ipc-concordant="H01F1/33" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H01F1/33</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>mixtures of metallic and non-metallic particles</text></title-part><title-part><text>metallic particles having oxide skin</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F1/34" definition-exists="true" ipc-concordant="H01F1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H01F1/34</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>non-metallic substances, e.g. ferrites</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F1/342" definition-exists="false" ipc-concordant="H01F1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/342</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Oxides </text><reference><text><class-ref scheme="cpc">H01F1/36</class-ref> and <class-ref scheme="cpc">H01F1/38</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F1/344" definition-exists="false" ipc-concordant="H01F1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>H01F1/344</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe<sub>3</sub>O<sub>4</sub></text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/346" definition-exists="false" ipc-concordant="H01F1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/346</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>[(TO4) 3] with T= Si, Al, Fe, Ga </text><reference><text><class-ref scheme="cpc">H01F10/24</class-ref> takes precedence; Faraday rotators <class-ref scheme="cpc">G02F1/09</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/348" definition-exists="false" ipc-concordant="H01F1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/348</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hexaferrites with decreased hardness or anisotropy, i.e. with increased permeability in the microwave (GHz) range, e.g. having a hexagonal crystallographic structure</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F1/36" definition-exists="false" ipc-concordant="H01F1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in the form of particles </text><CPC-specific-text><reference><text><class-ref scheme="cpc">H01F1/346</class-ref>, <class-ref scheme="cpc">H01F1/348</class-ref> and <class-ref scheme="cpc">H01F1/38</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F1/37" definition-exists="false" ipc-concordant="H01F1/37" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/37</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a bonding agent</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F1/375" definition-exists="false" ipc-concordant="H01F1/375" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/375</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flexible bodies</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F1/38" definition-exists="false" ipc-concordant="H01F1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>amorphous, e.g. amorphous oxides</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F1/40" definition-exists="true" ipc-concordant="H01F1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>H01F1/40</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>of magnetic semiconductor materials, e.g. CdCr<sub>2</sub>S<sub>4</sub> </text><reference><text>devices using galvano-magnetic or similar effects <class-ref scheme="cpc">H10N50/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F1/401" definition-exists="false" ipc-concordant="H01F1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/401</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>diluted</text></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> In group <class-ref scheme="cpc">H01F1/401</class-ref>, a diluted magnetic semiconductor (DMS) is classified in the last appropriate place </note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F1/402" definition-exists="false" ipc-concordant="H01F1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/402</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of II-VI type, e.g. Zn1-x Crx Se</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F1/404" definition-exists="false" ipc-concordant="H01F1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/404</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of III-V type, e.g. In1-x Mnx As</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F1/405" definition-exists="false" ipc-concordant="H01F1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/405</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of IV type, e.g. Ge1-xMnx</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F1/407" definition-exists="false" ipc-concordant="H01F1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/407</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Diluted non-magnetic ions in a magnetic cation-sublattice, e.g. perovskites, La1-x(Ba,Sr)xMnO3</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F1/408" definition-exists="false" ipc-concordant="H01F1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/408</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>half-metallic, i.e. having only one electronic spin direction at the Fermi level, e.g. CrO<sub>2</sub>, Heusler alloys </text><reference><text><class-ref scheme="cpc">H01F10/1936</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F1/42" definition-exists="true" ipc-concordant="H01F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>H01F1/42</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>of organic or organo-metallic materials </text><CPC-specific-text><text>, e.g. graphene</text></CPC-specific-text><reference><text><class-ref scheme="cpc">H01F1/44</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F1/44" definition-exists="true" ipc-concordant="H01F1/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of magnetic liquids, e.g. ferrofluids </text><reference><text>particles in a bonding agent <class-ref scheme="cpc">H01F1/28</class-ref>, <class-ref scheme="cpc">H01F1/36</class-ref>, </text><CPC-specific-text><text><class-ref scheme="cpc">H01F1/37</class-ref></text></CPC-specific-text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F1/442" definition-exists="false" ipc-concordant="H01F1/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/442</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the magnetic component being a metal or alloy, e.g. Fe </text><reference><text><class-ref scheme="cpc">H01F1/447</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F1/445" definition-exists="false" ipc-concordant="H01F1/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/445</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the magnetic component being a compound, e.g. Fe<sub>3</sub>O<sub>4</sub> </text><reference><text><class-ref scheme="cpc">H01F1/447</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F1/447" definition-exists="false" ipc-concordant="H01F1/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F1/447</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by magnetoviscosity, e.g. magnetorheological, magnetothixotropic, magnetodilatant liquids </text><reference><text>electrorheological fluids <class-ref scheme="cpc">C10M171/001</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01F3/00" definition-exists="true" ipc-concordant="H01F3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cores, Yokes, or armatures </text><reference><text>magnetic materials <class-ref scheme="cpc">H01F1/00</class-ref>; permanent magnets <class-ref scheme="cpc">H01F7/02</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H01F3/005" definition-exists="false" ipc-concordant="H01F3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2003/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Magnetic cores for receiving several windings with perpendicular axes, e.g. for antennae or inductive power transfer</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F3/02" definition-exists="false" ipc-concordant="H01F3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>made from sheets</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F3/04" definition-exists="false" ipc-concordant="H01F3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>made from strips or ribbons</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F3/06" definition-exists="false" ipc-concordant="H01F3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>made from wires</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F3/08" definition-exists="false" ipc-concordant="H01F3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>made from powder </text><reference><text>powder coatings on sheets <class-ref scheme="cpc">H01F3/02</class-ref>; on strips or ribbons <class-ref scheme="cpc">H01F3/04</class-ref>; on wires <class-ref scheme="cpc">H01F3/06</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F3/10" definition-exists="false" ipc-concordant="H01F3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Composite arrangements of magnetic circuits</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F3/103" definition-exists="false" ipc-concordant="H01F3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2003/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Magnetic circuits with permanent magnets</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F3/106" definition-exists="false" ipc-concordant="H01F3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2003/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Magnetic circuits using combinations of different magnetic materials</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F3/12" definition-exists="false" ipc-concordant="H01F3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Magnetic shunt paths</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F3/14" definition-exists="false" ipc-concordant="H01F3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F3/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Constrictions</text></title-part><title-part><text>Gaps, e.g. air-gaps </text><reference><text>in magnetic shunt paths <class-ref scheme="cpc">H01F3/12</class-ref></text></reference></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01F5/00" definition-exists="true" ipc-concordant="H01F5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coils </text><reference><text>superconducting coils <class-ref scheme="cpc">H01F6/06</class-ref>; fixed inductances of the signal type <class-ref scheme="cpc">H01F17/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F5/003" definition-exists="false" ipc-concordant="H01F5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F5/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Printed circuit coils</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H01F5/006" definition-exists="false" ipc-concordant="H01F5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2005/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with conical spiral form</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F5/02" definition-exists="false" ipc-concordant="H01F5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F5/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wound on non-magnetic supports, e.g. formers</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F5/022" definition-exists="false" ipc-concordant="H01F5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2005/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>wound on formers with several winding chambers separated by flanges, e.g. for high voltage applications</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F5/025" definition-exists="false" ipc-concordant="H01F5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2005/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>wound on coaxial arrangement of two or more formers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F5/027" definition-exists="false" ipc-concordant="H01F5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2005/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>wound on formers for receiving several coils with perpendicular winding axes, e.g. for antennae or inductive power transfer</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F5/04" definition-exists="false" ipc-concordant="H01F5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F5/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements of electric connections to coils, e.g. leads</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F5/043" definition-exists="false" ipc-concordant="H01F5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2005/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having multiple pin terminals, e.g. arranged in two parallel lines at both sides of the coil</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F5/046" definition-exists="false" ipc-concordant="H01F5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2005/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of formers and pin terminals related to mounting on printed circuits</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F5/06" definition-exists="false" ipc-concordant="H01F5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F5/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Insulation of windings</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01F6/00" definition-exists="true" ipc-concordant="H01F6/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F6/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Superconducting magnets</text></title-part><title-part><text>Superconducting coils </text><CPC-specific-text><reference><text>magnetic resonance assemblies using superconducting coil systems <class-ref scheme="cpc">G01R33/3815</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H01F6/001" definition-exists="false" ipc-concordant="H01F6/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2006/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Constructive details of inductive current limiters</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F6/003" definition-exists="false" ipc-concordant="H01F6/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>H01F6/003</classification-symbol><class-title date-revised="2023-02-01"><title-part><CPC-specific-text><text>Methods and means for discharging superconductive storage </text><reference><text>superconducting alloys <class-ref scheme="cpc">C22C</class-ref>; static memories with superconducting elements <class-ref scheme="cpc">G11C11/44</class-ref>; superconducting circuit breakers with contacts <class-ref scheme="cpc">H01H33/004</class-ref>; superconducting switches for low power <class-ref scheme="cpc">H03K17/92</class-ref>; superconducting material <class-ref scheme="cpc">H10N60/00</class-ref>; power cryotons <class-ref scheme="cpc">H10N60/355</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F6/005" definition-exists="false" ipc-concordant="H01F6/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F6/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Methods and means for increasing the stored energy in superconductive coils by increments (flux pumps)</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F6/006" definition-exists="false" ipc-concordant="H01F6/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F6/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Supplying energising or de-energising current; Flux pumps</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F6/008" definition-exists="false" ipc-concordant="H01F6/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F6/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electric circuit arrangements for energising superconductive electromagnets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F6/02" definition-exists="false" ipc-concordant="H01F6/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F6/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Quenching</text></title-part><title-part><text>Protection arrangements during quenching </text><CPC-specific-text><reference><text>protection circuits <class-ref scheme="cpc">H02H7/001</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F6/04" definition-exists="false" ipc-concordant="H01F6/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F6/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F6/06" definition-exists="false" ipc-concordant="H01F6/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F6/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coils, e.g. winding, insulating, terminating or casing arrangements therefor</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F6/065" definition-exists="false" ipc-concordant="H01F6/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F6/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Feed-through bushings, terminals and joints </text><reference><text>leading of conductors or axles through casings of transformers <class-ref scheme="cpc">H01F27/04</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01F7/00" definition-exists="true" ipc-concordant="H01F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Magnets </text><reference><text>superconducting magnets <class-ref scheme="cpc">H01F6/00</class-ref>; for separation of solid materials or fluids <class-ref scheme="cpc">B03C1/00</class-ref>; for bench or like work-holders <class-ref scheme="cpc">B23B31/28</class-ref>, <class-ref scheme="cpc">B23Q3/00</class-ref>; work-holding devices <class-ref scheme="cpc">B25B11/00</class-ref>; lifting magnets <class-ref scheme="cpc">B66C1/00</class-ref>; </text><CPC-specific-text><text>operating or controlling locks using permanent magnets <class-ref scheme="cpc">E05B47/0038</class-ref>; devices for holding a wing, e.g. door or window, by magnetic or electromagnetic attraction <class-ref scheme="cpc">E05C19/16</class-ref>; relieving load or bearings using magnetic means <class-ref scheme="cpc">F16C39/06</class-ref></text></CPC-specific-text><text> ; for electric meters <class-ref scheme="cpc">G01R</class-ref>; for relays <class-ref scheme="cpc">H01H</class-ref>; </text><CPC-specific-text><text>for electric discharge tubes <class-ref scheme="cpc">H01J</class-ref>, e.g. <class-ref scheme="cpc">H01J3/24</class-ref>, <class-ref scheme="cpc">H01J23/10</class-ref>, <class-ref scheme="cpc">H01J29/68</class-ref></text></CPC-specific-text><text> ; for dynamo-electric machines <class-ref scheme="cpc">H02K</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F7/02" definition-exists="false" ipc-concordant="H01F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Permanent magnets </text><CPC-specific-text><text>[PM]</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F7/0205" definition-exists="false" ipc-concordant="H01F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/0205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Magnetic circuits with PM in general</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/021" definition-exists="false" ipc-concordant="H01F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Construction of PM </text><reference><text><class-ref scheme="cpc">H01F7/0278</class-ref> takes precedence; PM compositions <class-ref scheme="cpc">H01F1/032</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/0215" definition-exists="false" ipc-concordant="H01F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/0215</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flexible forms, sheets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/0221" definition-exists="false" ipc-concordant="H01F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/0221</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mounting means for PM, supporting, coating, encapsulating PM</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/0226" definition-exists="false" ipc-concordant="H01F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/0226</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>PM with variable field strength </text><reference><text><class-ref scheme="cpc">H01F7/0284</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F7/0231" definition-exists="false" ipc-concordant="H01F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/0231</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Magnetic circuits with PM for power or force generation</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/0236" definition-exists="false" ipc-concordant="H01F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/0236</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Magnetic suspension or levitation </text><reference><text>for vehicles <class-ref scheme="cpc">B60L13/04</class-ref>; magnetic bearings <class-ref scheme="cpc">F16C39/063</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/0242" definition-exists="false" ipc-concordant="H01F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/0242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Magnetic drives, magnetic coupling devices</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/0247" definition-exists="false" ipc-concordant="H01F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/0247</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Orientating, locating, transporting arrangements</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/0252" definition-exists="false" ipc-concordant="H01F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/0252</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>PM holding devices </text><reference><text><class-ref scheme="cpc">H01F7/021</class-ref>, <class-ref scheme="cpc">H01F7/0215</class-ref>, <class-ref scheme="cpc">H01F7/0226</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/0257" definition-exists="false" ipc-concordant="H01F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/0257</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Lifting, pick-up magnetic objects</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/0263" definition-exists="false" ipc-concordant="H01F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/0263</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Closures, bags, bands, engagement devices with male and female parts</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/0268" definition-exists="false" ipc-concordant="H01F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/0268</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Magnetic cylinders</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F7/0273" definition-exists="false" ipc-concordant="H01F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/0273</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Magnetic circuits with PM for magnetic field generation</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/0278" definition-exists="false" ipc-concordant="H01F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/0278</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for generating uniform fields, focusing, deflecting electrically charged particles </text><reference><text>for magnetic separation by Lorentz force <class-ref scheme="cpc">B03C1/023</class-ref>; specially adapted for NMR applications <class-ref scheme="cpc">G01R33/383</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/0284" definition-exists="false" ipc-concordant="H01F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/0284</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a trimmable or adjustable magnetic circuit, e.g. for a symmetric dipole or quadrupole magnetic field</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/0289" definition-exists="false" ipc-concordant="H01F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/0289</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Transducers, loudspeakers, moving coil arrangements</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/0294" definition-exists="false" ipc-concordant="H01F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/0294</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Detection, inspection, magnetic treatment</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F7/04" definition-exists="false" ipc-concordant="H01F7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for releasing the attractive force</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F7/06" definition-exists="false" ipc-concordant="H01F7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>H01F7/06</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>Electromagnets</text></title-part><title-part><text>Actuators including electromagnets </text><CPC-specific-text><reference><text>electric coils <class-ref scheme="cpc">H01F5/00</class-ref>; devices for holding workpieces using electric force <class-ref scheme="cpc">B23Q3/15</class-ref>; load-engaging elements for lifting articles electromagnetically <class-ref scheme="cpc">B66C1/06</class-ref>; electromagnetic couplings <class-ref scheme="cpc">F16D27/00</class-ref>; magnetic brakes <class-ref scheme="cpc">F16D63/002</class-ref>; electromagnetically operated valves <class-ref scheme="cpc">F16K11/24</class-ref>, <class-ref scheme="cpc">F16K31/00</class-ref>; analysing materials by magnetic means <class-ref scheme="cpc">G01N27/72</class-ref>, <class-ref scheme="cpc">G01N27/80</class-ref>; electromagnets for winding mechanical clocks <class-ref scheme="cpc">G04C1/02</class-ref>; electromagnetic relays <class-ref scheme="cpc">H01H51/00</class-ref>; windings for salient poles of dynamo-electric machines <class-ref scheme="cpc">H02K3/18</class-ref>; electromagnets for telegraphic communication <class-ref scheme="cpc">H04L</class-ref>; for arc lamps <class-ref scheme="cpc">H05B31/28</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F7/062" definition-exists="false" ipc-concordant="H01F7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2007/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of terminals or connectors for electromagnets</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F7/064" definition-exists="false" ipc-concordant="H01F7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Circuit arrangements for actuating electromagnets </text><reference><text>circuit arrangements for obtaining special operating characteristics <class-ref scheme="cpc">H01F7/18</class-ref>; driving circuits for electromagnets making use of a switching regulator <class-ref scheme="cpc">H01H47/325</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F7/066" definition-exists="false" ipc-concordant="H01F7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electromagnets with movable winding</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F7/068" definition-exists="false" ipc-concordant="H01F7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2007/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using printed circuit coils</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F7/08" definition-exists="false" ipc-concordant="H01F7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with armatures</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/081" definition-exists="false" ipc-concordant="H01F7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Magnetic constructions</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="H01F7/083" definition-exists="false" ipc-concordant="H01F7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2007/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>External yoke surrounding the coil bobbin, e.g. made of bent magnetic sheet</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="H01F7/085" definition-exists="false" ipc-concordant="H01F7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2007/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Yoke or polar piece between coil bobbin and armature having a gap, e.g. filled with nonmagnetic material</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="H01F7/086" definition-exists="false" ipc-concordant="H01F7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2007/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Structural details of the armature</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/088" definition-exists="false" ipc-concordant="H01F7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provided with means for absorbing shocks</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/10" definition-exists="false" ipc-concordant="H01F7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>specially adapted for alternating current</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/11" definition-exists="false" ipc-concordant="H01F7/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>reducing or eliminating the effects of eddy currents</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/12" definition-exists="false" ipc-concordant="H01F7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having anti-chattering arrangements</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F7/1205" definition-exists="false" ipc-concordant="H01F7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/1205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having short-circuited conductors </text><reference><text>electromagnetic relays provided with short-circuited conducting sleeves <class-ref scheme="cpc">H01H47/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/121" definition-exists="false" ipc-concordant="H01F7/121" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/121</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Guiding or setting position of armatures, e.g. retaining armatures in their end position</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/122" definition-exists="false" ipc-concordant="H01F7/122" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by permanent magnets </text><CPC-specific-text><reference><text><class-ref scheme="cpc">H01F7/1615</class-ref>, <class-ref scheme="cpc">H01F7/1646</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/123" definition-exists="false" ipc-concordant="H01F7/123" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/123</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by ancillary coil</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/124" definition-exists="false" ipc-concordant="H01F7/124" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/124</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by mechanical latch, e.g. detent</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/126" definition-exists="false" ipc-concordant="H01F7/126" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/126</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Supporting or mounting</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/127" definition-exists="false" ipc-concordant="H01F7/127" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/127</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Assembling</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/128" definition-exists="false" ipc-concordant="H01F7/128" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/128</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Encapsulating, encasing or sealing</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/129" definition-exists="false" ipc-concordant="H01F7/129" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/129</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of armatures</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/13" definition-exists="false" ipc-concordant="H01F7/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by pulling-force characteristics</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/14" definition-exists="false" ipc-concordant="H01F7/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pivoting armatures </text><reference><text><class-ref scheme="cpc">H01F7/17</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/145" definition-exists="false" ipc-concordant="H01F7/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rotary electromagnets with variable gap </text><reference><text>with fixed gap or torque motors <class-ref scheme="cpc">H02K26/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/16" definition-exists="false" ipc-concordant="H01F7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rectilinearly-movable armatures </text><reference><text><class-ref scheme="cpc">H01F7/17</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/1607" definition-exists="false" ipc-concordant="H01F7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/1607</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Armatures entering the winding</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F7/1615" definition-exists="false" ipc-concordant="H01F7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/1615</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Armatures or stationary parts of magnetic circuit having permanent magnet</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F7/1623" definition-exists="false" ipc-concordant="H01F7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/1623</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Armatures having T-form</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="H01F7/163" definition-exists="false" ipc-concordant="H01F7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2007/163</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with axial bearing</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/1638" definition-exists="false" ipc-concordant="H01F7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/1638</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Armatures not entering the winding</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F7/1646" definition-exists="false" ipc-concordant="H01F7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/1646</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Armatures or stationary parts of magnetic circuit having permanent magnet</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/1653" definition-exists="false" ipc-concordant="H01F7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/1653</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Magnetic circuit having axially spaced pole-pieces</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="H01F7/1661" definition-exists="false" ipc-concordant="H01F7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2007/1661</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electromagnets or actuators with anti-stick disc</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="H01F7/1669" definition-exists="false" ipc-concordant="H01F7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2007/1669</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Armatures actuated by current pulse, e.g. bistable actuators</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="H01F7/1676" definition-exists="false" ipc-concordant="H01F7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2007/1676</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for avoiding or reducing eddy currents in the magnetic circuit, e.g. radial slots</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="H01F7/1684" definition-exists="false" ipc-concordant="H01F7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2007/1684</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Armature position measurement using coils</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="H01F7/1692" definition-exists="false" ipc-concordant="H01F7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2007/1692</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electromagnets or actuators with two coils</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/17" definition-exists="false" ipc-concordant="H01F7/17" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/17</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pivoting and rectilinearly-movable armatures</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/18" definition-exists="false" ipc-concordant="H01F7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/1805" definition-exists="false" ipc-concordant="H01F7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/1805</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current </text><reference><text>for holding relay armature in attracted position with reduced energising current <class-ref scheme="cpc">H01H47/04</class-ref>; quick energising of electro-dynamic machines <class-ref scheme="cpc">H02P9/08</class-ref>; for quickly de-energising of dynamo-electric generators <class-ref scheme="cpc">H02P9/123</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F7/1811" definition-exists="false" ipc-concordant="H01F7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/1811</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>demagnetising upon switching off, removing residual magnetism</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F7/1816" definition-exists="false" ipc-concordant="H01F7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/1816</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>making use of an energy accumulator </text><reference><text>for relays <class-ref scheme="cpc">H01H47/043</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="H01F7/1822" definition-exists="false" ipc-concordant="H01F7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2007/1822</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a capacitor to produce a boost voltage</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F7/1827" definition-exists="false" ipc-concordant="H01F7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/1827</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by changing number of serially-connected turns or windings </text><reference><text>for relays <class-ref scheme="cpc">H01H47/06</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F7/1833" definition-exists="false" ipc-concordant="H01F7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/1833</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by changing number of parallel-connected turns or windings </text><reference><text>for relays <class-ref scheme="cpc">H01H47/08</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F7/1838" definition-exists="false" ipc-concordant="H01F7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/1838</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by switching-in or -out impedance </text><reference><text>for relays <class-ref scheme="cpc">H01H47/10</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/1844" definition-exists="false" ipc-concordant="H01F7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/1844</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Monitoring or fail-safe circuits </text><reference><text>for relays <class-ref scheme="cpc">H01H47/002</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="H01F7/185" definition-exists="false" ipc-concordant="H01F7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2007/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with armature position measurement</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="H01F7/1855" definition-exists="false" ipc-concordant="H01F7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2007/1855</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a stored table to deduce one variable from another</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="H01F7/1861" definition-exists="false" ipc-concordant="H01F7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2007/1861</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using derivative of measured variable</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="H01F7/1866" definition-exists="false" ipc-concordant="H01F7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2007/1866</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with regulation loop</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/1872" definition-exists="false" ipc-concordant="H01F7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/1872</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bistable or bidirectional current devices </text><reference><text>relays <class-ref scheme="cpc">H01H47/226</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/1877" definition-exists="false" ipc-concordant="H01F7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/1877</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>controlling a plurality of loads</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/1883" definition-exists="false" ipc-concordant="H01F7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/1883</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by steepening leading and trailing edges of magnetisation pulse, e.g. printer drivers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="H01F7/1888" definition-exists="false" ipc-concordant="H01F7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2007/1888</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using pulse width modulation</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="H01F7/1894" definition-exists="false" ipc-concordant="H01F7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2007/1894</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>minimizing impact energy on closure of magnetic circuit</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F7/20" definition-exists="false" ipc-concordant="H01F7/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-08-01" status="published"><classification-symbol>H01F7/20</classification-symbol><class-title date-revised="2018-08-01"><title-part><text>without armatures </text><reference><text>cores <class-ref scheme="cpc">H01F3/00</class-ref>; coils <class-ref scheme="cpc">H01F5/00</class-ref> </text><CPC-specific-text><text>; shaping metal by applying magnetic forces <class-ref scheme="cpc">B21D26/14</class-ref>; electromagnets specially adapted for NMR applications <class-ref scheme="cpc">G01R33/381</class-ref></text></CPC-specific-text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/202" definition-exists="false" ipc-concordant="H01F7/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/202</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electromagnets for high magnetic field strength </text><reference><text>for superconducting electromagnets <class-ref scheme="cpc">H01F6/00</class-ref>; for transformers or inductances without a magnetic core <class-ref scheme="cpc">H01F30/08</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F7/204" definition-exists="false" ipc-concordant="H01F7/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/204</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Circuits for energising or de-energising</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F7/206" definition-exists="false" ipc-concordant="H01F7/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F7/206</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electromagnets for lifting, handling or transporting of magnetic pieces or material </text><reference><text>electromagnets for guidance of vehicles, workpieces <class-ref scheme="cpc">B65G21/2009</class-ref>; for magnetic suspension or levitation <class-ref scheme="cpc">H02N15/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="H01F7/208" definition-exists="false" ipc-concordant="H01F7/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2007/208</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with permanent magnets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01F10/00" definition-exists="true" ipc-concordant="H01F10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Thin magnetic films, e.g. of one-domain structure </text><reference><text>magnetic record carriers <class-ref scheme="cpc">G11B5/00</class-ref>; thin-film magnetic stores <class-ref scheme="cpc">G11C</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F10/002" definition-exists="false" ipc-concordant="H01F10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>H01F10/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Antiferromagnetic thin films, i.e. films exhibiting a Néel transition temperature </text><reference><text><class-ref scheme="cpc">H01F10/3218</class-ref> and <class-ref scheme="cpc">H01F10/3268</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F10/005" definition-exists="false" ipc-concordant="H01F10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>organic or organo-metallic films, e.g. monomolecular films obtained by Langmuir-Blodgett technique, graphene</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F10/007" definition-exists="false" ipc-concordant="H01F10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>ultrathin or granular films </text><reference><text><class-ref scheme="cpc">H01F10/005</class-ref> and <class-ref scheme="cpc">H01F10/3227</class-ref> take precedence; applying ultrathin or granular layers to substrates <class-ref scheme="cpc">H01F41/301</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F10/06" definition-exists="true" ipc-concordant="H01F10/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the coupling or physical contact with connecting or interacting conductors</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F10/08" definition-exists="true" ipc-concordant="H01F10/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by magnetic layers </text><reference><CPC-specific-text><text><class-ref scheme="cpc">H01F10/32</class-ref> takes precedence </text></CPC-specific-text><text> ; applying thin magnetic films to substrates <class-ref scheme="cpc">H01F41/14</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F10/10" definition-exists="true" ipc-concordant="H01F10/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the composition</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F10/12" definition-exists="false" ipc-concordant="H01F10/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H01F10/12</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>being metals or alloys </text><reference><text>intermetallic compounds <class-ref scheme="cpc">H01F10/18</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F10/123" definition-exists="false" ipc-concordant="H01F10/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>H01F10/123</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a L10 crystallographic structure, e.g. [Co,Fe][Pt,Pd] thin films</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F10/126" definition-exists="false" ipc-concordant="H01F10/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/126</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing rare earth metals </text><reference><text><class-ref scheme="cpc">H01F10/133</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F10/13" definition-exists="false" ipc-concordant="H01F10/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Amorphous metallic alloys, e.g. glassy metals </text><CPC-specific-text><reference><text><class-ref scheme="cpc">H01F10/3204</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>In this group, amorphous metallic alloys are classified in the last appropriate place</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F10/131" definition-exists="false" ipc-concordant="H01F10/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/131</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing iron or nickel</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F10/132" definition-exists="false" ipc-concordant="H01F10/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/132</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing cobalt</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F10/133" definition-exists="false" ipc-concordant="H01F10/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/133</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing rare earth metals</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F10/135" definition-exists="false" ipc-concordant="H01F10/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/135</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing transition metals</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F10/136" definition-exists="false" ipc-concordant="H01F10/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/136</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing iron</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01F10/137" definition-exists="false" ipc-concordant="H01F10/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/137</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing cobalt</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F10/138" definition-exists="false" ipc-concordant="H01F10/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/138</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing nanocrystallites, e.g. obtained by annealing</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F10/14" definition-exists="false" ipc-concordant="H01F10/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing iron or nickel </text><reference><CPC-specific-text><text><class-ref scheme="cpc">H01F10/126</class-ref></text></CPC-specific-text><text> , <class-ref scheme="cpc">H01F10/13</class-ref>, <class-ref scheme="cpc">H01F10/16</class-ref> take precedence</text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>In this group, alloys containing iron or nickel are classified in the last appropriate place</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F10/142" definition-exists="false" ipc-concordant="H01F10/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/142</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing Si</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F10/145" definition-exists="false" ipc-concordant="H01F10/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing Al, e.g. SENDUST</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F10/147" definition-exists="false" ipc-concordant="H01F10/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>H01F10/147</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>with lattice under strain, e.g. expanded by interstitial nitrogen </text><reference><text><class-ref scheme="cpc">H01F10/26</class-ref> - <class-ref scheme="cpc">H01F10/30</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F10/16" definition-exists="false" ipc-concordant="H01F10/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing cobalt </text><reference><CPC-specific-text><text><class-ref scheme="cpc">H01F10/126</class-ref></text></CPC-specific-text><text> , <class-ref scheme="cpc">H01F10/13</class-ref> take precedence</text></reference></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F10/18" definition-exists="true" ipc-concordant="H01F10/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>being compounds</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F10/187" definition-exists="false" ipc-concordant="H01F10/187" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/187</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Amorphous compounds </text><CPC-specific-text><reference><text><class-ref scheme="cpc">H01F10/3204</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F10/193" definition-exists="false" ipc-concordant="H01F10/193" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/193</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Magnetic semiconductor compounds </text><CPC-specific-text><reference><text>in general <class-ref scheme="cpc">H01F1/40</class-ref>; multilayers, e.g. superlattices <class-ref scheme="cpc">H01F10/3213</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F10/1933" definition-exists="false" ipc-concordant="H01F10/193" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>H01F10/1933</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Perovskites</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F10/1936" definition-exists="false" ipc-concordant="H01F10/193" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/1936</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Half-metallic, e.g. epitaxial CrO<sub>2</sub> or NiMnSb films</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F10/20" definition-exists="false" ipc-concordant="H01F10/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ferrites</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F10/205" definition-exists="false" ipc-concordant="H01F10/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hexagonal ferrites</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F10/22" definition-exists="false" ipc-concordant="H01F10/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>H01F10/22</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Orthoferrites </text><CPC-specific-text><text>, e.g. RFeO<sub>3</sub> (R= rare earth element) with orthorhombic structure</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F10/24" definition-exists="false" ipc-concordant="H01F10/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Garnets </text><CPC-specific-text><reference><text>in general <class-ref scheme="cpc">H01F1/346</class-ref>; multilayers, e.g. superlattices <class-ref scheme="cpc">H01F10/3209</class-ref>; applying magnetic garnet films to substrates by sputtering <class-ref scheme="cpc">H01F41/186</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F10/245" definition-exists="false" ipc-concordant="H01F10/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Modifications for enhancing interaction with electromagnetic wave energy</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F10/26" definition-exists="true" ipc-concordant="H01F10/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the substrate or intermediate layers </text><CPC-specific-text><reference><text><class-ref scheme="cpc">H01F10/06</class-ref> and <class-ref scheme="cpc">H01F10/32</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F10/265" definition-exists="false" ipc-concordant="H01F10/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>H01F10/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Magnetic multilayers non exchange-coupled </text><reference><text><class-ref scheme="cpc">H01F10/32</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F10/28" definition-exists="false" ipc-concordant="H01F10/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the composition of the substrate</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F10/30" definition-exists="false" ipc-concordant="H01F10/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>H01F10/30</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>characterised by the composition of the intermediate layers </text><CPC-specific-text><text>, e.g. seed, buffer, template, diffusion preventing, cap layers </text><reference><text><class-ref scheme="cpc">H01F10/06</class-ref> and <class-ref scheme="cpc">H01F10/32</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F10/32" definition-exists="true" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Spin-exchange-coupled multilayers, e.g. nanostructured superlattices </text><CPC-specific-text><reference><text>applying spin-exchange-coupled multilayers to substrates <class-ref scheme="cpc">H01F41/302</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F10/3204" definition-exists="false" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/3204</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Exchange coupling of amorphous multilayers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F10/3209" definition-exists="false" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/3209</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Exchange coupling of garnet multilayers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F10/3213" definition-exists="false" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/3213</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Exchange coupling of magnetic semiconductor multilayers, e.g. MnSe/ZnSe superlattices </text><reference><text>semiconductor materials for use in semiconductor devices <class-ref scheme="cpc">H01L29/12</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F10/3218" definition-exists="false" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/3218</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Exchange coupling of magnetic films via an antiferromagnetic interface </text><reference><text><class-ref scheme="cpc">H01F10/3268</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F10/3222" definition-exists="false" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/3222</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Exchange coupled hard/soft multilayers, e.g. CoPt/Co or NiFe/CoSm </text><reference><text>nanocomposite spring magnets <class-ref scheme="cpc">H01F1/0579</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F10/3227" definition-exists="false" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/3227</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Exchange coupling via one or more magnetisable ultrathin or granular films</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F10/3231" definition-exists="false" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/3231</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>via a non-magnetic spacer</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F10/3236" definition-exists="false" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/3236</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>made of a noble metal, e.g.(Co/Pt) n multilayers having perpendicular anisotropy </text><reference><text><class-ref scheme="cpc">H01F10/3286</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F10/324" definition-exists="true" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/324</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F10/3245" definition-exists="false" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/3245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the spacer being superconductive</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F10/325" definition-exists="false" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/325</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the spacer being noble metal</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F10/3254" definition-exists="false" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/3254</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the spacer being semiconducting or insulating, e.g. for spin tunnel junction [STJ]</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F10/3259" definition-exists="false" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H01F10/3259</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>Spin-exchange-coupled multilayers comprising at least a nanooxide layer [NOL], e.g. with a NOL spacer</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F10/3263" definition-exists="false" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/3263</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the exchange coupling being symmetric, e.g. for dual spin valve, e.g. NiO/Co/Cu/Co/Cu/Co/NiO</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F10/3268" definition-exists="false" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/3268</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the exchange coupling being asymmetric, e.g. by use of additional pinning, by using antiferromagnetic or ferromagnetic coupling interface, i.e. so-called spin-valve [SV] structure, e.g. NiFe/Cu/NiFe/FeMn</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F10/3272" definition-exists="false" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/3272</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by use of anti-parallel coupled [APC] ferromagnetic layers, e.g. artificial ferrimagnets [AFI], artificial [AAF] or synthetic [SAF] anti-ferromagnets</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F10/3277" definition-exists="false" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/3277</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by use of artificial ferrimagnets [AFI] only</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F10/3281" definition-exists="false" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/3281</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>only by use of asymmetry of the magnetic film pair itself, i.e. so-called pseudospin valve [PSV] structure, e.g. NiFe/Cu/Co</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F10/3286" definition-exists="false" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/3286</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Spin-exchange coupled multilayers having at least one layer with perpendicular magnetic anisotropy</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F10/329" definition-exists="false" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/329</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Spin-exchange coupled multilayers wherein the magnetisation of the free layer is switched by a spin-polarised current, e.g. spin torque effect</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F10/3295" definition-exists="false" ipc-concordant="H01F10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F10/3295</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Spin-exchange coupled multilayers wherein the magnetic pinned or free layers are laminated without anti-parallel coupling within the pinned and free layers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01F13/00" definition-exists="true" ipc-concordant="H01F13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F13/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus or processes for magnetising or demagnetising </text><reference><CPC-specific-text><text>devices for holding workpieces using magnetic or electric force acting directly on the workpieces <class-ref scheme="cpc">B23Q3/15</class-ref></text></CPC-specific-text><text> ; for degaussing ships <class-ref scheme="cpc">B63G9/06</class-ref>; for clocks or watches <class-ref scheme="cpc">G04D9/00</class-ref>; </text><CPC-specific-text><text>recording or erasing of information on magnetic record carriers <class-ref scheme="cpc">G11B5/00</class-ref></text></CPC-specific-text><text> ; demagnetising arrangements for colour television <class-ref scheme="cpc">H04N9/29</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F13/003" definition-exists="false" ipc-concordant="H01F13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F13/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Methods and devices for magnetising permanent magnets </text><reference><text>permanent magnets <class-ref scheme="cpc">H01F7/02</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F13/006" definition-exists="false" ipc-concordant="H01F13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F13/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Methods and devices for demagnetising of magnetic bodies, e.g. workpieces, sheet material </text><reference><text>for erasing of information on magnetic record carriers <class-ref scheme="cpc">G11B5/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01F17/00" definition-exists="true" ipc-concordant="H01F17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fixed inductances of the signal type </text><reference><text>coils in general <class-ref scheme="cpc">H01F5/00</class-ref> </text><CPC-specific-text><text>inductors without a potential-jump or surface barrier specially adapted for integrated circuits, details thereof and multistep manufacturing processes therefor <class-ref scheme="cpc">H01L28/10</class-ref></text></CPC-specific-text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F17/0006" definition-exists="false" ipc-concordant="H01F17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F17/0006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Printed inductances </text><reference><text>printed coils for dynamo-electric machines <class-ref scheme="cpc">H02K3/26</class-ref>; printed circuits <class-ref scheme="cpc">H05K</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F17/0013" definition-exists="false" ipc-concordant="H01F17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-08-01" status="published"><classification-symbol>H01F17/0013</classification-symbol><class-title date-revised="2018-08-01"><title-part><CPC-specific-text><text>with stacked layers</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="H01F17/002" definition-exists="false" ipc-concordant="H01F17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2017/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of via holes for interconnecting the layers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="H01F17/0026" definition-exists="false" ipc-concordant="H01F17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2017/0026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multilayer LC-filter</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F17/0033" definition-exists="false" ipc-concordant="H01F17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F17/0033</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with the coil helically wound around a magnetic core</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F17/004" definition-exists="false" ipc-concordant="H01F17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2017/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with the coil helically wound around an axis without a core</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F17/0046" definition-exists="false" ipc-concordant="H01F17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2017/0046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a conductive path having a bridge</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F17/0053" definition-exists="false" ipc-concordant="H01F17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2017/0053</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means to reduce eddy currents</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F17/006" definition-exists="false" ipc-concordant="H01F17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2017/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>flexible printed inductors</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F17/0066" definition-exists="false" ipc-concordant="H01F17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2017/0066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a magnetic layer</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F17/0073" definition-exists="false" ipc-concordant="H01F17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2017/0073</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a special conductive pattern, e.g. flat spiral</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F17/008" definition-exists="false" ipc-concordant="H01F17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2017/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electric or magnetic shielding of printed inductances</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F17/0086" definition-exists="false" ipc-concordant="H01F17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2017/0086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>on semiconductor substrate </text><reference><text>inductors for integrated circuits <class-ref scheme="cpc">H01L28/10</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H01F17/0093" definition-exists="false" ipc-concordant="H01F17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2017/0093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Common mode choke coil</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F17/02" definition-exists="false" ipc-concordant="H01F17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F17/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>without magnetic core</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F17/03" definition-exists="false" ipc-concordant="H01F17/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F17/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with ceramic former</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F17/04" definition-exists="false" ipc-concordant="H01F17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F17/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with magnetic core</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F17/041" definition-exists="false" ipc-concordant="H01F17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F17/041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for preventing rotation or displacement of the core</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F17/043" definition-exists="false" ipc-concordant="H01F17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F17/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with two, usually identical or nearly identical parts enclosing completely the coil (pot cores)</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F17/045" definition-exists="false" ipc-concordant="H01F17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F17/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="H01F17/046" definition-exists="false" ipc-concordant="H01F17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2017/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>helical coil made of flat wire, e.g. with smaller extension of wire cross section in the direction of the longitudinal axis</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F17/048" definition-exists="false" ipc-concordant="H01F17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2017/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with encapsulating core, e.g. made of resin and magnetic powder</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F17/06" definition-exists="false" ipc-concordant="H01F17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F17/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with core substantially closed in itself, e.g. toroid</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F17/062" definition-exists="false" ipc-concordant="H01F17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F17/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Toroidal core with turns of coil around it</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="H01F17/065" definition-exists="false" ipc-concordant="H01F17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2017/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Core mounted around conductor to absorb noise, e.g. EMI filter</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="H01F17/067" definition-exists="false" ipc-concordant="H01F17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2017/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Core with two or more holes to lead through conductor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F17/08" definition-exists="false" ipc-concordant="H01F17/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F17/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Loading coils for telecommunication circuits</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01F19/00" definition-exists="true" ipc-concordant="H01F19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F19/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fixed transformers or mutual inductances of the signal type </text><reference><text><class-ref scheme="cpc">H01F36/00</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F19/02" definition-exists="false" ipc-concordant="H01F19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F19/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Audio-frequency transformers or mutual inductances, i.e. not suitable for handling frequencies considerably beyond the audio range</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F19/04" definition-exists="false" ipc-concordant="H01F19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F19/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range </text><reference><text>resonant circuits <class-ref scheme="cpc">H03H</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F19/06" definition-exists="false" ipc-concordant="H01F19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F19/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Broad-band transformers, e.g. suitable for handling frequencies well down into the audio range</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F19/08" definition-exists="false" ipc-concordant="H01F19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F19/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Transformers having magnetic bias, e.g. for handling pulses</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="H01F19/085" definition-exists="false" ipc-concordant="H01F19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2019/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Transformer for galvanic isolation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01F21/00" definition-exists="true" ipc-concordant="H01F21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F21/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Variable inductances or transformers of the signal type </text><reference><text><class-ref scheme="cpc">H01F36/00</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F21/005" definition-exists="false" ipc-concordant="H01F21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F21/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Inductances without magnetic core</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F21/02" definition-exists="false" ipc-concordant="H01F21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F21/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>continuously variable, e.g. variometers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F21/04" definition-exists="false" ipc-concordant="H01F21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F21/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by relative movement of turns or parts of windings</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F21/06" definition-exists="false" ipc-concordant="H01F21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F21/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by movement of core or part of core relative to the windings as a whole</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F21/065" definition-exists="false" ipc-concordant="H01F21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F21/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measures for obtaining a desired relation between the position of the core and the inductance</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F21/08" definition-exists="false" ipc-concordant="H01F21/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F21/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by varying the permeability of the core, e.g. by varying magnetic bias</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F21/10" definition-exists="false" ipc-concordant="H01F21/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F21/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by means of a movable shield</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F21/12" definition-exists="false" ipc-concordant="H01F21/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F21/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>discontinuously variable, e.g. tapped</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F21/125" definition-exists="false" ipc-concordant="H01F21/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2021/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Printed variable inductor with taps, e.g. for VCO</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01F27/00" definition-exists="true" ipc-concordant="H01F27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of transformers or inductances, in general</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F27/002" definition-exists="false" ipc-concordant="H01F27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements provided on the transformer facilitating its transport</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F27/004" definition-exists="false" ipc-concordant="H01F27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements for interchanging inductances, transformers or coils thereof</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F27/006" definition-exists="false" ipc-concordant="H01F27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with special arrangement or spacing of turns of the winding(s), e.g. to produce desired self-resonance</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F27/008" definition-exists="false" ipc-concordant="H01F27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with temperature compensation</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F27/02" definition-exists="false" ipc-concordant="H01F27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Casings</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/022" definition-exists="false" ipc-concordant="H01F27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Encapsulation</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/025" definition-exists="false" ipc-concordant="H01F27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Constructional details relating to cooling</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/027" definition-exists="false" ipc-concordant="H01F27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for combination of signal type inductors or transformers with electronic circuits, e.g. mounting on printed circuit boards</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/04" definition-exists="false" ipc-concordant="H01F27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Leading of conductors or axles through casings, e.g. for tap-changing arrangements</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F27/06" definition-exists="false" ipc-concordant="H01F27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mounting, supporting or suspending transformers, reactors or choke coils </text><CPC-specific-text><text>not being of the signal type</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F27/065" definition-exists="false" ipc-concordant="H01F27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2027/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mounting on printed circuit boards</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F27/08" definition-exists="false" ipc-concordant="H01F27/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling </text><reference><text>heat-transfer elements <class-ref scheme="cpc">F28F</class-ref></text></reference></title-part><title-part><text>Ventilating </text><reference><text>structural details of casings <class-ref scheme="cpc">H01F27/02</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/085" definition-exists="false" ipc-concordant="H01F27/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cooling by ambient air</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/10" definition-exists="false" ipc-concordant="H01F27/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Liquid cooling</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/105" definition-exists="false" ipc-concordant="H01F27/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cooling by special liquid or by liquid of particular composition</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/12" definition-exists="false" ipc-concordant="H01F27/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oil cooling</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F27/125" definition-exists="false" ipc-concordant="H01F27/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cooling by synthetic insulating and incombustible liquid</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F27/14" definition-exists="false" ipc-concordant="H01F27/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Expansion chambers</text></title-part><title-part><text>Oil conservators</text></title-part><title-part><text>Gas cushions</text></title-part><title-part><text>Arrangements for purifying, drying, or filling</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/16" definition-exists="false" ipc-concordant="H01F27/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Water cooling</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/18" definition-exists="false" ipc-concordant="H01F27/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by evaporating liquids</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/20" definition-exists="false" ipc-concordant="H01F27/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling by special gases or non-ambient air</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/22" definition-exists="false" ipc-concordant="H01F27/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling by heat conduction through solid or powdered fillings</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F27/23" definition-exists="false" ipc-concordant="H01F27/23" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/23</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Corrosion protection</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F27/24" definition-exists="false" ipc-concordant="H01F27/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Magnetic cores</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/245" definition-exists="false" ipc-concordant="H01F27/245" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>made from sheets, e.g. grain-oriented </text><reference><text><class-ref scheme="cpc">H01F27/26</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/2455" definition-exists="false" ipc-concordant="H01F27/245" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/2455</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using bent laminations</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/25" definition-exists="false" ipc-concordant="H01F27/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/25</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>made from strips or ribbons </text><reference><text><class-ref scheme="cpc">H01F27/26</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/255" definition-exists="false" ipc-concordant="H01F27/255" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/255</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>made from particles </text><reference><text><class-ref scheme="cpc">H01F27/26</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/26" definition-exists="false" ipc-concordant="H01F27/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fastening parts of the core together</text></title-part><title-part><text>Fastening or mounting the core on casing or support </text><reference><text>on coil <class-ref scheme="cpc">H01F27/30</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/263" definition-exists="false" ipc-concordant="H01F27/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/263</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fastening parts of the core together</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/266" definition-exists="false" ipc-concordant="H01F27/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/266</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fastening or mounting the core on casing or support </text><reference><text>on coil <class-ref scheme="cpc">H01F27/30</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F27/28" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coils</text></title-part><title-part><text>Windings</text></title-part><title-part><text>Conductive connections</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/2804" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/2804</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Printed windings</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="H01F27/2809" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2027/2809</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>on stacked layers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="H01F27/2814" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2027/2814</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with only part of the coil or of the winding in the printed circuit board, e.g. the remaining coil or winding sections can be made of wires or sheets</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="H01F27/2819" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2027/2819</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Planar transformers with printed windings, e.g. surrounded by two cores and to be mounted on printed circuit</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/2823" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/2823</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Wires </text><reference><text><class-ref scheme="cpc">H01F27/2866</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/2828" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/2828</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Construction of conductive connections, of leads</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="H01F27/2833" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2027/2833</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using coaxial cable as wire</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="H01F27/2838" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2027/2838</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using transposed wires</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="H01F27/2842" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2027/2842</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Wire coils wound in conical zigzag to reduce voltage between winding turns</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/2847" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/2847</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sheets; Strips </text><reference><text><class-ref scheme="cpc">H01F27/2866</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/2852" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/2852</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Construction of conductive connections, of leads</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="H01F27/2857" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2027/2857</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coil formed from wound foil conductor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="H01F27/2861" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2027/2861</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coil formed by folding a blank</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/2866" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/2866</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Combination of wires and sheets</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/2871" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/2871</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pancake coils</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/2876" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/2876</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cooling </text><reference><text>cooling transformers and inductances in general <class-ref scheme="cpc">H01F27/08</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/288" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/288</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shielding</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/2885" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/2885</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with shields or electrodes </text><reference><text>shields or electrodes for pancake coils <class-ref scheme="cpc">H01F27/2871</class-ref>; construction of electric or magnetic shields or screens <class-ref scheme="cpc">H01F27/36</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/289" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/289</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with auxiliary windings </text><reference><text>for pancake coils <class-ref scheme="cpc">H01F27/2871</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/2895" definition-exists="false" ipc-concordant="H01F27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/2895</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Windings disposed upon ring cores</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/29" definition-exists="false" ipc-concordant="H01F27/29" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/29</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Terminals</text></title-part><title-part><text>Tapping arrangements </text><CPC-specific-text><text>for signal inductances</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/292" definition-exists="false" ipc-concordant="H01F27/29" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/292</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Surface mounted devices</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="H01F27/295" definition-exists="false" ipc-concordant="H01F27/29" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2027/295</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with flexible terminals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="H01F27/297" definition-exists="false" ipc-concordant="H01F27/29" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2027/297</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with pin-like terminal to be inserted in hole of printed path</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/30" definition-exists="false" ipc-concordant="H01F27/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fastening or clamping coils, windings, or parts thereof together</text></title-part><title-part><text>Fastening or mounting coils or windings on core, casing, or other support</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/303" definition-exists="false" ipc-concordant="H01F27/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/303</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Clamping coils, windings or parts thereof together</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/306" definition-exists="false" ipc-concordant="H01F27/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/306</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fastening or mounting coils or windings on core, casing or other support</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/32" definition-exists="false" ipc-concordant="H01F27/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Insulating of coils, windings, or parts thereof</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/321" definition-exists="false" ipc-concordant="H01F27/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/321</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a fluid for insulating purposes only</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/322" definition-exists="false" ipc-concordant="H01F27/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/322</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the insulation forming channels for circulation of the fluid</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/323" definition-exists="false" ipc-concordant="H01F27/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/323</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Insulation between winding turns, between winding layers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/324" definition-exists="false" ipc-concordant="H01F27/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/324</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Insulation between coil and core, between different winding sections, around the coil; Other insulation structures</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F27/325" definition-exists="false" ipc-concordant="H01F27/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/325</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coil bobbins </text><reference><text>formers for coils in general <class-ref scheme="cpc">H01F5/02</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F27/326" definition-exists="false" ipc-concordant="H01F27/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/326</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specifically adapted for discharge lamp ballasts</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/327" definition-exists="false" ipc-concordant="H01F27/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/327</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Encapsulating or impregnating </text><reference><text>encapsulating coil and core <class-ref scheme="cpc">H01F27/022</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="H01F27/328" definition-exists="false" ipc-concordant="H01F27/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2027/328</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dry-type transformer with encapsulated foil winding, e.g. windings coaxially arranged on core legs with spacers for cooling and with three phases</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="H01F27/329" definition-exists="false" ipc-concordant="H01F27/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2027/329</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Insulation with semiconducting layer, e.g. to reduce corona effect</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F27/33" definition-exists="false" ipc-concordant="H01F27/33" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/33</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements for noise damping</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F27/34" definition-exists="false" ipc-concordant="H01F27/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/341" definition-exists="false" ipc-concordant="H01F27/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/341</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Preventing or reducing no-load losses or reactive currents</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/343" definition-exists="false" ipc-concordant="H01F27/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/343</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Preventing or reducing surge voltages; oscillations</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/345" definition-exists="false" ipc-concordant="H01F27/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/345</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using auxiliary conductors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/346" definition-exists="false" ipc-concordant="H01F27/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>H01F27/346</classification-symbol><class-title date-revised="2020-08-01"><title-part><CPC-specific-text><text>Preventing or reducing leakage fields </text><reference><text>using magnetic shields <class-ref scheme="cpc">H01F27/36</class-ref>; using auxiliary windings <class-ref scheme="cpc">H01F27/38</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F27/348" definition-exists="false" ipc-concordant="H01F27/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2027/348</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Preventing eddy currents</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/36" definition-exists="false" ipc-concordant="H01F27/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>H01F27/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electric or magnetic shields or screens </text><reference><text>movable for varying inductance <class-ref scheme="cpc">H01F21/10</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/361" definition-exists="false" ipc-concordant="H01F27/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>H01F27/361</classification-symbol><class-title date-revised="2020-08-01"><title-part><CPC-specific-text><text>made of combinations of electrically conductive material and ferromagnetic material</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/363" definition-exists="false" ipc-concordant="H01F27/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>H01F27/363</classification-symbol><class-title date-revised="2020-08-01"><title-part><CPC-specific-text><text>made of electrically conductive material</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/366" definition-exists="false" ipc-concordant="H01F27/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>H01F27/366</classification-symbol><class-title date-revised="2020-08-01"><title-part><CPC-specific-text><text>made of ferromagnetic material</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/38" definition-exists="false" ipc-concordant="H01F27/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Auxiliary core members</text></title-part><title-part><text>Auxiliary coils or windings</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/385" definition-exists="false" ipc-concordant="H01F27/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/385</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for reducing harmonics</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F27/40" definition-exists="false" ipc-concordant="H01F27/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Structural association with built-in electric component, e.g. fuse</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/402" definition-exists="false" ipc-concordant="H01F27/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/402</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Association of measuring or protective means</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="H01F27/404" definition-exists="false" ipc-concordant="H01F27/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2027/404</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Protective devices specially adapted for fluid filled transformers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="H01F27/406" definition-exists="false" ipc-concordant="H01F27/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2027/406</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Temperature sensor or protection</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F27/408" definition-exists="false" ipc-concordant="H01F27/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2027/408</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Association with diode or rectifier</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F27/42" definition-exists="false" ipc-concordant="H01F27/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils </text><reference><text>circuits for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output <class-ref scheme="cpc">H02P13/00</class-ref>; impedance networks <class-ref scheme="cpc">H03H</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F27/422" definition-exists="false" ipc-concordant="H01F27/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/422</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for instrument transformers</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/425" definition-exists="false" ipc-concordant="H01F27/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/425</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for voltage transformers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F27/427" definition-exists="false" ipc-concordant="H01F27/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F27/427</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for current transformers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01F29/00" definition-exists="true" ipc-concordant="H01F29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F29/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Variable transformers or inductances not covered by group <class-ref scheme="cpc">H01F21/00</class-ref> </text><CPC-specific-text><reference><text>tap change devices <class-ref scheme="cpc">H01H9/0005</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F29/02" definition-exists="false" ipc-concordant="H01F29/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F29/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with tappings on coil or winding</text></title-part><title-part><text>with provision for rearrangement or interconnection of windings</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F29/025" definition-exists="false" ipc-concordant="H01F29/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F29/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Constructional details of transformers or reactors with tapping on coil or windings</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F29/04" definition-exists="false" ipc-concordant="H01F29/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F29/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having provision for tap-changing without interrupting the load current</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F29/06" definition-exists="false" ipc-concordant="H01F29/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F29/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with current collector gliding or rolling on or along winding</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F29/08" definition-exists="false" ipc-concordant="H01F29/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F29/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F29/10" definition-exists="false" ipc-concordant="H01F29/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F29/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having movable part of magnetic circuit </text><CPC-specific-text><reference><text>high leakage transformers <class-ref scheme="cpc">H01F38/08</class-ref>; dynamo-electric machines with movable part of magnetic circuit <class-ref scheme="cpc">H02K23/44</class-ref>, <class-ref scheme="cpc">H02K23/48</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F29/12" definition-exists="false" ipc-concordant="H01F29/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F29/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having movable coil, winding, or part thereof</text></title-part><title-part><text>having movable shield</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F29/14" definition-exists="false" ipc-concordant="H01F29/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F29/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with variable magnetic bias </text><reference><CPC-specific-text><text>amplitude modulation by means of variable impedance element <class-ref scheme="cpc">H03C1/08</class-ref></text></CPC-specific-text><text> ; magnetic amplifiers <class-ref scheme="cpc">H03F</class-ref>; </text><CPC-specific-text><text>circuits for automatic telephonic communication <class-ref scheme="cpc">H04M3/00</class-ref></text></CPC-specific-text></reference></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F29/143" definition-exists="false" ipc-concordant="H01F29/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2029/143</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with control winding for generating magnetic bias</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F29/146" definition-exists="false" ipc-concordant="H01F29/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F29/146</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Constructional details</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01F30/00" definition-exists="true" ipc-concordant="H01F30/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F30/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fixed transformers not covered by group <class-ref scheme="cpc">H01F19/00</class-ref></text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F30/02" definition-exists="false" ipc-concordant="H01F30/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F30/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Auto-transformers</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F30/04" definition-exists="false" ipc-concordant="H01F30/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F30/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having two or more secondary windings, each supplying a separate load, e.g. for radio set power supplies</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F30/06" definition-exists="false" ipc-concordant="H01F30/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F30/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the structure</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F30/08" definition-exists="false" ipc-concordant="H01F30/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F30/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>without magnetic core</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F30/10" definition-exists="false" ipc-concordant="H01F30/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F30/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-phase transformers </text><reference><text><class-ref scheme="cpc">H01F30/16</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F30/12" definition-exists="false" ipc-concordant="H01F30/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F30/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Two-phase, three-phase or polyphase transformers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F30/14" definition-exists="false" ipc-concordant="H01F30/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F30/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for changing the number of phases</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F30/16" definition-exists="false" ipc-concordant="H01F30/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F30/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Toroidal transformers</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01F36/00" definition-exists="true" ipc-concordant="H01F36/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F36/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Transformers with superconductive windings or with windings operating at cryogenic temperature </text><reference><text>superconducting magnets or superconducting coils <class-ref scheme="cpc">H01F6/00</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01F37/00" definition-exists="true" ipc-concordant="H01F37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F37/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fixed inductances not covered by group <class-ref scheme="cpc">H01F17/00</class-ref></text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F37/005" definition-exists="false" ipc-concordant="H01F37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F37/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>without magnetic core</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01F38/00" definition-exists="true" ipc-concordant="H01F38/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adaptations of transformers or inductances for specific applications or functions</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H01F38/003" definition-exists="false" ipc-concordant="H01F38/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2038/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>High frequency transformer for microwave oven</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H01F38/006" definition-exists="false" ipc-concordant="H01F38/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2038/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>matrix transformer consisting of several interconnected individual transformers working as a whole</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F38/02" definition-exists="false" ipc-concordant="H01F38/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for non-linear operation</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F38/023" definition-exists="false" ipc-concordant="H01F38/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of inductances</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="H01F38/026" definition-exists="false" ipc-concordant="H01F38/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2038/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>non-linear inductive arrangements for converters, e.g. with additional windings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F38/04" definition-exists="false" ipc-concordant="H01F38/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for frequency changing</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F38/06" definition-exists="false" ipc-concordant="H01F38/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for changing the wave shape</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F38/08" definition-exists="false" ipc-concordant="H01F38/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>High-leakage transformers or inductances</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F38/085" definition-exists="false" ipc-concordant="H01F38/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Welding transformers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F38/10" definition-exists="false" ipc-concordant="H01F38/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ballasts, e.g. for discharge lamps</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F38/12" definition-exists="false" ipc-concordant="H01F38/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ignition, e.g. for IC engines</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F38/122" definition-exists="false" ipc-concordant="H01F38/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2038/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with rod-shaped core</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F38/125" definition-exists="false" ipc-concordant="H01F38/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2038/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with oil insulation</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F38/127" definition-exists="false" ipc-concordant="H01F38/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2038/127</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with magnetic circuit including permanent magnet</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F38/14" definition-exists="false" ipc-concordant="H01F38/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>H01F38/14</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Inductive couplings </text><CPC-specific-text><reference><text>for wireless supply or distribution of electric power using inductive coupling <class-ref scheme="cpc">H02J50/10</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F38/143" definition-exists="false" ipc-concordant="H01F38/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2038/143</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for signals</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F38/146" definition-exists="false" ipc-concordant="H01F38/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2038/146</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in combination with capacitive coupling</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F38/16" definition-exists="false" ipc-concordant="H01F38/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cascade transformers, e.g. for use with extra high tension</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F38/18" definition-exists="false" ipc-concordant="H01F38/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rotary transformers</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F38/20" definition-exists="false" ipc-concordant="H01F38/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Instruments transformers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F38/22" definition-exists="false" ipc-concordant="H01F38/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for single phase ac</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F38/24" definition-exists="false" ipc-concordant="H01F38/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Voltage transformers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F38/26" definition-exists="false" ipc-concordant="H01F38/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Constructions</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F38/28" definition-exists="false" ipc-concordant="H01F38/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Current transformers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F38/30" definition-exists="false" ipc-concordant="H01F38/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Constructions</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="H01F38/305" definition-exists="false" ipc-concordant="H01F38/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2038/305</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with toroidal magnetic core</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F38/32" definition-exists="false" ipc-concordant="H01F38/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Circuit arrangements</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F38/34" definition-exists="false" ipc-concordant="H01F38/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combined voltage and current transformers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F38/36" definition-exists="false" ipc-concordant="H01F38/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Constructions</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F38/38" definition-exists="false" ipc-concordant="H01F38/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for polyphase ac</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F38/40" definition-exists="false" ipc-concordant="H01F38/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for dc</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F38/42" definition-exists="false" ipc-concordant="H01F38/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F38/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flyback transformers</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F38/423" definition-exists="false" ipc-concordant="H01F38/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2038/423</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with adjusting potentiometers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H01F38/426" definition-exists="false" ipc-concordant="H01F38/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F2038/426</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with gap in transformer core</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01F41/00" definition-exists="true" ipc-concordant="H01F41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H01F41/00</classification-symbol><class-title date-revised="2016-01-01"><title-part><text>Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers</text></title-part><title-part><text>Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties</text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph>Group <class-ref scheme="cpc">H01F41/30</class-ref> takes precedence over groups <class-ref scheme="cpc">H01F41/16</class-ref> - <class-ref scheme="cpc">H01F41/24</class-ref> <CPC-specific-note>, and over group <class-ref scheme="cpc">H01F41/32</class-ref>.<br/>This Note corresponds to IPC Note (1) relating to <class-ref scheme="cpc">H01F41/16</class-ref> - <class-ref scheme="cpc">H01F41/24</class-ref>, <class-ref scheme="cpc">H01F41/32</class-ref>.</CPC-specific-note></note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F41/005" definition-exists="true" ipc-concordant="H01F41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Impregnating or encapsulating </text><reference><text>insulating of windings <class-ref scheme="cpc">H01F41/12</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F41/02" definition-exists="true" ipc-concordant="H01F41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for manufacturing cores, coils, or magnets </text><reference><text><class-ref scheme="cpc">H01F41/14</class-ref> takes precedence; for dynamo-electric machines <class-ref scheme="cpc">H02K15/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F41/0206" definition-exists="true" ipc-concordant="H01F41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/0206</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manufacturing of magnetic cores by mechanical means </text><reference><text>magnetic cores <u>per se</u> <class-ref scheme="cpc">H01F27/24</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F41/0213" definition-exists="false" ipc-concordant="H01F41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/0213</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manufacturing of magnetic circuits made from strip(s) or ribbon(s) </text><reference><text>magnetic cores made by winding a ribbon <class-ref scheme="cpc">H01F27/25</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/022" definition-exists="false" ipc-concordant="H01F41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by winding the strips or ribbons around a coil</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/0226" definition-exists="false" ipc-concordant="H01F41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/0226</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from amorphous ribbons</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F41/0233" definition-exists="false" ipc-concordant="H01F41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/0233</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manufacturing of magnetic circuits made from sheets </text><reference><text>magnetic cores made from sheets <class-ref scheme="cpc">H01F27/245</class-ref>; soft magnetic alloys in the form of sheets <class-ref scheme="cpc">H01F1/16</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/024" definition-exists="false" ipc-concordant="H01F41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manufacturing of magnetic circuits made from deformed sheets </text><reference><text>magnetic cores made from deformed sheets <class-ref scheme="cpc">H01F27/2455</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F41/0246" definition-exists="false" ipc-concordant="H01F41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/0246</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manufacturing of magnetic circuits by moulding or by pressing powder </text><reference><text>magnetic cores made by moulding or by pressing powder <class-ref scheme="cpc">H01F27/255</class-ref>; soft magnetic particles <class-ref scheme="cpc">H01F1/20</class-ref>, <class-ref scheme="cpc">H01F1/36</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F41/0253" definition-exists="true" ipc-concordant="H01F41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/0253</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for manufacturing permanent magnets</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F41/026" definition-exists="false" ipc-concordant="H01F41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>protecting methods against environmental influences, e.g. oxygen, by surface treatment </text><reference><text>magnetic particles with skin <class-ref scheme="cpc">H01F1/061</class-ref>, <class-ref scheme="cpc">H01F1/09</class-ref>, <class-ref scheme="cpc">H01F1/24</class-ref>, <class-ref scheme="cpc">H01F1/33</class-ref> and <class-ref scheme="cpc">G11B5/706</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F41/0266" definition-exists="false" ipc-concordant="H01F41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/0266</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Moulding; Pressing </text><reference><text><class-ref scheme="cpc">H01F41/0273</class-ref> takes precedence; hard magnetic particles <class-ref scheme="cpc">H01F1/06</class-ref>, <class-ref scheme="cpc">H01F1/11</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F41/0273" definition-exists="false" ipc-concordant="H01F41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/0273</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Imparting anisotropy </text><reference><text>methods and devices for magnetising permanent magnets <class-ref scheme="cpc">H01F13/003</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/028" definition-exists="false" ipc-concordant="H01F41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radial anisotropy </text><reference><text>for rotor or stator bodies <class-ref scheme="cpc">H02K15/02</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F41/0286" definition-exists="false" ipc-concordant="H01F41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/0286</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Trimming</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F41/0293" definition-exists="false" ipc-concordant="H01F41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/0293</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F41/04" definition-exists="true" ipc-concordant="H01F41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for manufacturing coils </text><CPC-specific-text><reference><text>coils for transformer or inductances <class-ref scheme="cpc">H01F27/28</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F41/041" definition-exists="false" ipc-concordant="H01F41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Printed circuit coils </text><reference><text>apparatus or processes for manufacturing printed circuits in general <class-ref scheme="cpc">H05K3/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/042" definition-exists="false" ipc-concordant="H01F41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by thin film techniques</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/043" definition-exists="false" ipc-concordant="H01F41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by thick film techniques</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/045" definition-exists="false" ipc-concordant="H01F41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Trimming</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/046" definition-exists="false" ipc-concordant="H01F41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>structurally combined with ferromagnetic material</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/047" definition-exists="false" ipc-concordant="H01F41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>structurally combined with superconductive material</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F41/048" definition-exists="false" ipc-concordant="H01F41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Superconductive coils</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F41/06" definition-exists="true" ipc-concordant="H01F41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/06</classification-symbol><class-title date-revised="2016-01-01"><title-part><text>Coil winding</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/061" definition-exists="false" ipc-concordant="H01F41/061" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/061</classification-symbol><class-title><title-part><text>Winding flat conductive wires or sheets</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F41/063" definition-exists="true" ipc-concordant="H01F41/063" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/063</classification-symbol><class-title><title-part><text>with insulation</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/064" definition-exists="false" ipc-concordant="H01F41/064" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/064</classification-symbol><class-title><title-part><text>Winding non-flat conductive wires, e.g. rods, cables or cords</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F41/066" definition-exists="true" ipc-concordant="H01F41/066" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/066</classification-symbol><class-title><title-part><text>with insulation</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F41/068" definition-exists="false" ipc-concordant="H01F41/068" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/068</classification-symbol><class-title><title-part><text>in the form of strip material</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F41/069" definition-exists="false" ipc-concordant="H01F41/069" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/069</classification-symbol><class-title><title-part><text>Winding two or more wires, e.g. bifilar winding</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01F41/07" definition-exists="false" ipc-concordant="H01F41/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/07</classification-symbol><class-title><title-part><text>Twisting</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/071" definition-exists="false" ipc-concordant="H01F41/071" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-01-01" status="published"><classification-symbol>H01F41/071</classification-symbol><class-title><title-part><text>Winding coils of special form </text><reference><text>winding conductors onto closed formers or cores <class-ref scheme="cpc">H01F41/08</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="H01F41/0711" definition-exists="false" ipc-concordant="H01F41/071" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F2041/0711</classification-symbol><class-title><title-part><CPC-specific-text><text>Winding saddle or deflection coils</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F41/073" definition-exists="false" ipc-concordant="H01F41/073" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/073</classification-symbol><class-title><title-part><text>Winding onto elongate formers</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F41/074" definition-exists="false" ipc-concordant="H01F41/074" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/074</classification-symbol><class-title><title-part><text>Winding flat coils</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/076" definition-exists="true" ipc-concordant="H01F41/076" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/076</classification-symbol><class-title><title-part><text>Forming taps or terminals while winding, e.g. by wrapping or soldering the wire onto pins, or by directly forming terminals from the wire</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/077" definition-exists="true" ipc-concordant="H01F41/077" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/077</classification-symbol><class-title><title-part><text>Deforming the cross section or shape of the winding material while winding</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/079" definition-exists="true" ipc-concordant="H01F41/079" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/079</classification-symbol><class-title><title-part><text>Measuring electrical characteristics while winding</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/08" definition-exists="false" ipc-concordant="H01F41/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-01-01" status="published"><classification-symbol>H01F41/08</classification-symbol><class-title date-revised="2016-01-01"><title-part><text>Winding conductors onto closed formers or cores, e.g. threading conductors through toroidal cores</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/082" definition-exists="false" ipc-concordant="H01F41/082" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/082</classification-symbol><class-title><title-part><text>Devices for guiding or positioning the winding material on the former</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F41/084" definition-exists="false" ipc-concordant="H01F41/084" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/084</classification-symbol><class-title><title-part><text>for forming pancake coils</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F41/086" definition-exists="false" ipc-concordant="H01F41/086" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/086</classification-symbol><class-title><title-part><text>in a special configuration on the former, e.g. orthocyclic coils or open mesh coils</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F41/088" definition-exists="false" ipc-concordant="H01F41/088" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/088</classification-symbol><class-title><title-part><text>using revolving flyers</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/09" definition-exists="false" ipc-concordant="H01F41/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/09</classification-symbol><class-title><title-part><text>Winding machines having two or more work holders or formers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F41/092" definition-exists="false" ipc-concordant="H01F41/092" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/092</classification-symbol><class-title><title-part><text>Turrets</text></title-part><title-part><text>Turntables</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/094" definition-exists="false" ipc-concordant="H01F41/094" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/094</classification-symbol><class-title><title-part><text>Tensioning or braking devices</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/096" definition-exists="false" ipc-concordant="H01F41/096" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/096</classification-symbol><class-title><title-part><text>Dispensing or feeding devices</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/098" definition-exists="false" ipc-concordant="H01F41/098" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H01F41/098</classification-symbol><class-title><title-part><text>Mandrels</text></title-part><title-part><text>Formers</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F41/10" definition-exists="false" ipc-concordant="H01F41/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Connecting leads to windings </text><reference><text>making electric connections in general <class-ref scheme="cpc">H01R43/00</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F41/12" definition-exists="false" ipc-concordant="H01F41/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Insulating of windings </text><reference><CPC-specific-text><text>impregnating or encapsulating of transformers <class-ref scheme="cpc">H01F41/005</class-ref></text></CPC-specific-text><text> ; of conductors in general <class-ref scheme="cpc">H01B13/06</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/122" definition-exists="false" ipc-concordant="H01F41/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Insulating between turns or between winding layers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/125" definition-exists="false" ipc-concordant="H01F41/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Other insulating structures; Insulating between coil and core, between different winding sections, around the coil</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/127" definition-exists="false" ipc-concordant="H01F41/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/127</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Encapsulating or impregnating </text><reference><text>encapsulating coil and core <class-ref scheme="cpc">H01F41/005</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F41/14" definition-exists="true" ipc-concordant="H01F41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H01F41/14</classification-symbol><class-title date-revised="2019-05-01"><title-part><text>for applying magnetic films to substrates</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F41/16" definition-exists="true" ipc-concordant="H01F41/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-05-01" status="published"><classification-symbol>H01F41/16</classification-symbol><class-title date-revised="2019-05-01"><title-part><text>the magnetic material being applied in the form of particles, e.g. by serigraphy </text><CPC-specific-text><text>, to form thick magnetic films or precursors therefor</text></CPC-specific-text><text> </text><reference><text><class-ref scheme="cpc">H01F41/18</class-ref> </text><CPC-specific-text><text>-<class-ref scheme="cpc">H01F41/24</class-ref></text></CPC-specific-text><text> take precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F41/18" definition-exists="true" ipc-concordant="H01F41/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by cathode sputtering</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F41/183" definition-exists="false" ipc-concordant="H01F41/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/183</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sputtering targets therefor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F41/186" definition-exists="false" ipc-concordant="H01F41/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/186</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for applying a magnetic garnet film </text><reference><text>magnetic garnet materials <class-ref scheme="cpc">H01F1/346</class-ref>; magnetic garnet films <class-ref scheme="cpc">H01F10/24</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F41/20" definition-exists="false" ipc-concordant="H01F41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by evaporation</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F41/205" definition-exists="false" ipc-concordant="H01F41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by laser ablation, e.g. pulsed laser deposition [PLD]</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F41/22" definition-exists="true" ipc-concordant="H01F41/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heat treatment</text></title-part><title-part><text>Thermal decomposition</text></title-part><title-part><text>Chemical vapour deposition</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F41/24" definition-exists="true" ipc-concordant="H01F41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from liquids</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F41/26" definition-exists="false" ipc-concordant="H01F41/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>H01F41/26</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>using electric currents </text><CPC-specific-text><text>, e.g. electroplating</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F41/28" definition-exists="false" ipc-concordant="H01F41/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by liquid phase epitaxy</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F41/30" definition-exists="true" ipc-concordant="H01F41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for applying nanostructures, e.g. by molecular beam epitaxy [MBE]</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F41/301" definition-exists="false" ipc-concordant="H01F41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/301</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for applying ultrathin or granular layers </text><reference><text>ultrathin or granular layers <class-ref scheme="cpc">H01F10/007</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01F41/302" definition-exists="false" ipc-concordant="H01F41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/302</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for applying spin-exchange-coupled multilayers, e.g. nanostructured superlattices </text><reference><text>spin-exchange-coupled multilayers <class-ref scheme="cpc">H01F10/32</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/303" definition-exists="false" ipc-concordant="H01F41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/303</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with exchange coupling adjustment of magnetic film pairs, e.g. interface modifications by reduction, oxidation</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F41/304" definition-exists="false" ipc-concordant="H01F41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/304</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using temporary decoupling, e.g. involving blocking, Néel or Curie temperature transitions by heat treatment in presence/absence of a magnetic field</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/305" definition-exists="false" ipc-concordant="H01F41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/305</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>applying the spacer or adjusting its interface, e.g. in order to enable particular effect different from exchange coupling</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F41/306" definition-exists="false" ipc-concordant="H01F41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/306</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>conductive spacer</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01F41/307" definition-exists="false" ipc-concordant="H01F41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/307</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>insulating or semiconductive spacer</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/308" definition-exists="false" ipc-concordant="H01F41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/308</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>lift-off processes, e.g. ion milling, for trimming or patterning</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01F41/309" definition-exists="false" ipc-concordant="H01F41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/309</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>electroless or electrodeposition processes from plating solution</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01F41/32" definition-exists="true" ipc-concordant="H01F41/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for applying conductive, insulating or magnetic material on a magnetic film </text><CPC-specific-text><text>, specially adapted for a thin magnetic film</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F41/325" definition-exists="false" ipc-concordant="H01F41/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>H01F41/325</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>applying a noble metal capping on a spin-exchange-coupled multilayer, e.g. spin filter deposition</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01F41/34" definition-exists="false" ipc-concordant="H01F41/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01F41/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in patterns, e.g. by lithography</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></class-scheme> |