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183 lines
100 KiB
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183 lines
100 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="H01C" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>H01C</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>RESISTORS</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>In this subclass, the term "adjustable" means mechanically adjustable.</note-paragraph><note-paragraph>Variable resistors, the value of which is changed non-mechanically, e.g. by voltage or temperature, are classified in group <class-ref scheme="cpc">H01C7/00</class-ref>.</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="H01C1/00" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01C1/00" definition-exists="true" ipc-concordant="H01C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01C1/01" definition-exists="false" ipc-concordant="H01C1/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mounting</text></title-part><title-part><text>Supporting</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01C1/012" definition-exists="true" ipc-concordant="H01C1/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/012</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the base extending along and imparting rigidity or reinforcement to the resistive element </text><reference><text><class-ref scheme="cpc">H01C1/016</class-ref> takes precedence; the resistive element being formed in two or more coils or loops as a spiral, helical or toroidal winding <class-ref scheme="cpc">H01C3/18</class-ref>, <class-ref scheme="cpc">H01C3/20</class-ref>; the resistive element being formed as one or more layers or coatings on a base <class-ref scheme="cpc">H01C7/00</class-ref></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="H01C1/014" definition-exists="true" ipc-concordant="H01C1/014" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/014</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the resistor being suspended between and being supported by two supporting sections </text><reference><text><class-ref scheme="cpc">H01C1/016</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="H01C1/016" definition-exists="false" ipc-concordant="H01C1/016" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/016</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with compensation for resistor expansion or contraction</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="H01C1/02" definition-exists="false" ipc-concordant="H01C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Housing</text></title-part><title-part><text>Enclosing</text></title-part><title-part><text>Embedding</text></title-part><title-part><text>Filling the housing or enclosure</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01C1/022" definition-exists="false" ipc-concordant="H01C1/022" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the housing or enclosure being openable or separable from the resistive element</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="H01C1/024" definition-exists="true" ipc-concordant="H01C1/024" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the housing or enclosure being hermetically sealed </text><reference><text><class-ref scheme="cpc">H01C1/028</class-ref>, <class-ref scheme="cpc">H01C1/032</class-ref>, <class-ref scheme="cpc">H01C1/034</class-ref> take 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="H01C1/026" definition-exists="false" ipc-concordant="H01C1/026" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with gaseous or vacuum spacing between the resistive element and the housing or casing</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="H01C1/028" definition-exists="false" ipc-concordant="H01C1/028" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the resistive element being embedded in insulation with outer enclosing sheath</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01C1/03" definition-exists="false" ipc-concordant="H01C1/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with powdered insulation</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="H01C1/032" definition-exists="true" ipc-concordant="H01C1/032" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/032</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>plural layers surrounding the resistive element </text><reference><text><class-ref scheme="cpc">H01C1/028</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="H01C1/034" definition-exists="true" ipc-concordant="H01C1/034" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H01C1/034</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>the housing or enclosure being formed as coating or mould without outer sheath </text><reference><text><class-ref scheme="cpc">H01C1/032</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="H01C1/036" definition-exists="false" ipc-concordant="H01C1/036" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/036</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on wound resistive element</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="H01C1/04" definition-exists="false" ipc-concordant="H01C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements of distinguishing marks, e.g. colour coding</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="H01C1/06" definition-exists="false" ipc-concordant="H01C1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrostatic or electromagnetic shielding arrangements</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="H01C1/08" definition-exists="false" ipc-concordant="H01C1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling, heating or ventilating arrangements</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01C1/082" definition-exists="false" ipc-concordant="H01C1/082" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using forced fluid flow</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="H01C1/084" definition-exists="false" ipc-concordant="H01C1/084" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/084</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using self-cooling, e.g. fins, heat sinks</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="H01C1/12" definition-exists="false" ipc-concordant="H01C1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements of current collectors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01C1/125" definition-exists="false" ipc-concordant="H01C1/125" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of fluid contacts</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="H01C1/14" definition-exists="true" ipc-concordant="H01C1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Terminals or tapping points </text><CPC-specific-text><text>or electrodes</text></CPC-specific-text><text> specially adapted for resistors </text><reference><text>in general <class-ref scheme="cpc">H01R</class-ref></text></reference></title-part><title-part><text>Arrangements of terminals or tapping points </text><CPC-specific-text><text>or electrodes</text></CPC-specific-text><text> on resistors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01C1/1406" definition-exists="false" ipc-concordant="H01C1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/1406</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Terminals or electrodes formed on resistive elements having positive temperature coefficient</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="H01C1/1413" definition-exists="false" ipc-concordant="H01C1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/1413</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Terminals or electrodes formed on resistive elements having negative temperature coefficient</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="H01C1/142" definition-exists="false" ipc-concordant="H01C1/142" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/142</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the terminals or tapping points being coated on the resistive element</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="H01C1/144" definition-exists="false" ipc-concordant="H01C1/144" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/144</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the terminals or tapping points being welded or soldered</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="H01C1/146" definition-exists="false" ipc-concordant="H01C1/146" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/146</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the resistive element surrounding the terminal</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="H01C1/148" definition-exists="true" ipc-concordant="H01C1/148" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/148</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the terminals embracing or surrounding the resistive element </text><reference><text><class-ref scheme="cpc">H01C1/142</class-ref> takes precedence</text></reference></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="H01C1/16" definition-exists="false" ipc-concordant="H01C1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C1/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Resistor networks not otherwise provided for</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="H01C3/00" definition-exists="false" ipc-concordant="H01C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01C3/005" definition-exists="false" ipc-concordant="H01C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C3/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Metallic glasses therefor</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="H01C3/02" definition-exists="false" ipc-concordant="H01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged or constructed for reducing self-induction, capacitance or variation with frequency</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="H01C3/04" definition-exists="false" ipc-concordant="H01C3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Iron-filament ballast resistors</text></title-part><title-part><text>Other resistors having variable temperature coefficient</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="H01C3/06" definition-exists="false" ipc-concordant="H01C3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flexible or folding resistors, whereby such a resistor can be looped or collapsed upon itself</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="H01C3/08" definition-exists="false" ipc-concordant="H01C3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dimension or characteristic of resistive element changing gradually or in discrete steps from one terminal to another</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="H01C3/10" definition-exists="false" ipc-concordant="H01C3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the resistive element having zig-zag or sinusoidal configuration</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01C3/12" definition-exists="false" ipc-concordant="H01C3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H01C3/12</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>lying in one plane</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="H01C3/14" definition-exists="true" ipc-concordant="H01C3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>H01C3/14</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>the resistive element being formed in two or more coils or loops continuously wound as a spiral, helical or toroidal winding </text><reference><text><class-ref scheme="cpc">H01C3/02</class-ref> - <class-ref scheme="cpc">H01C3/12</class-ref> take 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="H01C3/16" definition-exists="false" ipc-concordant="H01C3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C3/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>including two or more distinct wound elements or two or more winding patterns</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="H01C3/18" definition-exists="true" ipc-concordant="H01C3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C3/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wound on a flat or ribbon base </text><reference><text><class-ref scheme="cpc">H01C3/16</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="H01C3/20" definition-exists="true" ipc-concordant="H01C3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C3/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wound on cylindrical or prismatic base </text><reference><text><class-ref scheme="cpc">H01C3/16</class-ref> takes precedence</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="H01C7/00" definition-exists="true" ipc-concordant="H01C7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>H01C7/00</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>Non-adjustable resistors formed as one or more layers or coatings</text></title-part><title-part><text>Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material </text><reference><text>consisting of loose powdered or granular material <class-ref scheme="cpc">H01C8/00</class-ref> </text><CPC-specific-text><text>; measuring deformation in a solid state using the change in resistance formed by printed-circuit technique <class-ref scheme="cpc">G01B7/20</class-ref>; insulating materials <class-ref scheme="cpc">H01B3/00</class-ref>; passive thin-film or thick-film semiconductor or solid state devices <class-ref scheme="cpc">H01L27/00</class-ref>; resistors without a potential-jump or surface barrier specially adapted for integrated circuits, details thereof, multistep manufacturing processes therefor <class-ref scheme="cpc">H01L28/20</class-ref></text></CPC-specific-text><text>; resistors with a potential-jump barrier or surface barrier, e.g. field effect resistors <class-ref scheme="cpc">H01L29/00</class-ref>; semiconductor devices sensitive to electromagnetic or corpuscular radiation, e.g. photoresistors, <class-ref scheme="cpc">H01L31/00</class-ref> </text><CPC-specific-text><text>; ohmic resistance heating <class-ref scheme="cpc">H05B3/00</class-ref>; printed circuits <class-ref scheme="cpc">H05K</class-ref></text></CPC-specific-text><text>; devices using galvanomagnetic or similar magnetic effects, e.g. magnetic-field-controlled resistors, <class-ref scheme="cpc">H10N50/00</class-ref>; devices using superconductivity <class-ref scheme="cpc">H10N60/00</class-ref>; solid state devices for rectifying, amplifying, oscillating or switching without a potential-jump barrier or surface barrier <class-ref scheme="cpc">H10N70/00</class-ref>; bulk negative resistance effect devices <class-ref scheme="cpc">H10N80/00</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="H01C7/001" definition-exists="false" ipc-concordant="H01C7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mass resistors</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="H01C7/003" definition-exists="false" ipc-concordant="H01C7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thick film resistors</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="H01C7/005" definition-exists="false" ipc-concordant="H01C7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polymer thick 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="8" additional-only="false" sort-key="H01C7/006" definition-exists="false" ipc-concordant="H01C7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thin film resistors</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="H01C7/008" definition-exists="false" ipc-concordant="H01C7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>H01C7/008</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Thermistors </text><reference><text><class-ref scheme="cpc">H01C7/02</class-ref> - <class-ref scheme="cpc">H01C7/06</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="H01C7/02" definition-exists="false" ipc-concordant="H01C7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having positive temperature coefficient </text><CPC-specific-text><reference><text>ceramics <class-ref scheme="cpc">C04B</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="H01C7/021" definition-exists="false" ipc-concordant="H01C7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>formed as one or more layers or coatings</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="H01C7/022" definition-exists="false" ipc-concordant="H01C7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>mainly consisting of non-metallic substances </text><reference><text><class-ref scheme="cpc">H01C7/021</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="H01C7/023" definition-exists="false" ipc-concordant="H01C7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing oxides or oxidic compounds, e.g. ferrites</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="H01C7/025" definition-exists="false" ipc-concordant="H01C7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>H01C7/025</classification-symbol><class-title date-revised="2020-01-01"><title-part><CPC-specific-text><text>Perovskites, e.g. titanates</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="H01C7/026" definition-exists="false" ipc-concordant="H01C7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vanadium oxides or oxidic compounds, e.g. VOx</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="H01C7/027" definition-exists="false" ipc-concordant="H01C7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of conducting or semi-conducting material dispersed in a non-conductive organic material</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="H01C7/028" definition-exists="false" ipc-concordant="H01C7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of organic substances</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="H01C7/04" definition-exists="true" ipc-concordant="H01C7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H01C7/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having negative temperature coefficient </text><CPC-specific-text><reference><text>thermometers using resistive elements <class-ref scheme="cpc">G01K7/16</class-ref></text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph><CPC-specific-note>In groups <class-ref scheme="cpc">H01C7/043</class-ref> - <class-ref scheme="cpc">H01C7/049</class-ref>, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, classification is made in the last appropriate place.</CPC-specific-note></note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01C7/041" definition-exists="false" ipc-concordant="H01C7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>formed as one or more layers or coatings</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="H01C7/042" definition-exists="false" ipc-concordant="H01C7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H01C7/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>mainly consisting of inorganic non-metallic substances </text><reference><text><class-ref scheme="cpc">H01C7/041</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="H01C7/043" definition-exists="false" ipc-concordant="H01C7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Oxides or oxidic compounds</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="H01C7/044" definition-exists="false" ipc-concordant="H01C7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Zinc or cadmium oxide</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="H01C7/045" definition-exists="false" ipc-concordant="H01C7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>H01C7/045</classification-symbol><class-title date-revised="2020-01-01"><title-part><CPC-specific-text><text>Perovskites, e.g. titanates</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="H01C7/046" definition-exists="false" ipc-concordant="H01C7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Iron oxides or ferrites</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="H01C7/047" definition-exists="false" ipc-concordant="H01C7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vanadium oxides or oxidic compounds, e.g. VOx</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="H01C7/048" definition-exists="false" ipc-concordant="H01C7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Carbon or carbides</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="H01C7/049" definition-exists="false" ipc-concordant="H01C7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/049</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>mainly consisting of organic or organo-metal substances </text><reference><text><class-ref scheme="cpc">H01C7/041</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="H01C7/06" definition-exists="false" ipc-concordant="H01C7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>including means to minimise changes in resistance with changes in temperature</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="H01C7/10" definition-exists="false" ipc-concordant="H01C7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>voltage responsive, i.e. varistors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01C7/1006" definition-exists="false" ipc-concordant="H01C7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/1006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thick film varistors</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="H01C7/1013" definition-exists="false" ipc-concordant="H01C7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/1013</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thin film varistors</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="H01C7/102" definition-exists="true" ipc-concordant="H01C7/102" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Varistor boundary, e.g. surface layers </text><reference><text><class-ref scheme="cpc">H01C7/12</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="H01C7/105" definition-exists="true" ipc-concordant="H01C7/105" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Varistor cores </text><reference><text><class-ref scheme="cpc">H01C7/12</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="H01C7/108" definition-exists="false" ipc-concordant="H01C7/108" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metal oxide</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01C7/112" definition-exists="false" ipc-concordant="H01C7/112" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/112</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>ZnO type</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="H01C7/115" definition-exists="false" ipc-concordant="H01C7/115" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/115</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Titanium dioxide- or titanate type</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="H01C7/118" definition-exists="false" ipc-concordant="H01C7/118" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/118</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbide, e.g. SiC type</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="H01C7/12" definition-exists="true" ipc-concordant="H01C7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Overvoltage protection resistors </text><CPC-specific-text><reference><text>series resistors structurally associated with spark gaps <class-ref scheme="cpc">H01T1/16</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01C7/123" definition-exists="false" ipc-concordant="H01C7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/123</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements for improving potential distribution</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="H01C7/126" definition-exists="false" ipc-concordant="H01C7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/126</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for protecting against excessive pressure or for disconnecting in case of failure</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="H01C7/13" definition-exists="true" ipc-concordant="H01C7/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>H01C7/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>current responsive</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>Groups <class-ref scheme="cpc">H01C7/02</class-ref> - <class-ref scheme="cpc">H01C7/13</class-ref> take precedence over groups <class-ref scheme="cpc">H01C7/18</class-ref> - <class-ref scheme="cpc">H01C7/22</class-ref>.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01C7/18" definition-exists="false" ipc-concordant="H01C7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising a plurality of layers stacked between terminals</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="H01C7/20" definition-exists="false" ipc-concordant="H01C7/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the resistive layer or coating being tapered</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="H01C7/22" definition-exists="false" ipc-concordant="H01C7/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C7/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Elongated resistive element being bent or curved, e.g. sinusoidal, helical</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="H01C8/00" definition-exists="false" ipc-concordant="H01C8/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C8/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-adjustable resistors consisting of loose powdered or granular conducting, or powdered or granular semi-conducting material</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01C8/02" definition-exists="false" ipc-concordant="H01C8/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C8/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coherers or like imperfect resistors for detecting electromagnetic waves</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="H01C8/04" definition-exists="false" ipc-concordant="H01C8/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C8/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Overvoltage protection resistors</text></title-part><title-part><text>Arresters</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="H01C10/00" definition-exists="true" ipc-concordant="H01C10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adjustable resistors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01C10/005" definition-exists="false" ipc-concordant="H01C10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Surface mountable, e.g. chip trimmer potentiometer</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="H01C10/02" definition-exists="false" ipc-concordant="H01C10/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Liquid resistors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01C10/025" definition-exists="false" ipc-concordant="H01C10/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electrochemical variable resistors </text><reference><text>trimming resistors by electrolytic treatment <class-ref scheme="cpc">H01C17/2412</class-ref>, <class-ref scheme="cpc">H01C17/262</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="8" additional-only="false" sort-key="H01C10/04" definition-exists="false" ipc-concordant="H01C10/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with specified mathematical relationship between movement of resistor actuating means and value of resistance, other than direct proportional relationship</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="H01C10/06" definition-exists="false" ipc-concordant="H01C10/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>adjustable by short-circuiting different amounts of the resistive element</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01C10/08" definition-exists="false" ipc-concordant="H01C10/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with intervening conducting structure between the resistive element and the short-circuiting means, e.g. taps</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="H01C10/10" definition-exists="false" ipc-concordant="H01C10/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H01C10/10</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>adjustable by mechanical pressure or force</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01C10/103" definition-exists="false" ipc-concordant="H01C10/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using means responding to magnetic or electric fields, e.g. by addition of magnetisable or piezoelectric particles to the resistive material, or by an electromagnetic actuator</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="H01C10/106" definition-exists="false" ipc-concordant="H01C10/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>on resistive material dispersed in an elastic material </text><reference><text><class-ref scheme="cpc">H01C10/103</class-ref> and <class-ref scheme="cpc">H01C10/12</class-ref> take precedence; for electric switches <class-ref scheme="cpc">H01H1/029</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="H01C10/12" definition-exists="false" ipc-concordant="H01C10/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by changing surface pressure between resistive masses or resistive and conductive masses, e.g. pile type</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="H01C10/14" definition-exists="false" ipc-concordant="H01C10/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>adjustable by auxiliary driving means</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="H01C10/16" definition-exists="false" ipc-concordant="H01C10/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>including plural resistive elements</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01C10/18" definition-exists="false" ipc-concordant="H01C10/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>including coarse and fine resistive elements</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="H01C10/20" definition-exists="false" ipc-concordant="H01C10/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Contact structure or movable resistive elements being ganged</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="H01C10/22" definition-exists="true" ipc-concordant="H01C10/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>resistive element dimensions changing gradually in one direction, e.g. tapered resistive element </text><reference><text><class-ref scheme="cpc">H01C10/04</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="H01C10/23" definition-exists="false" ipc-concordant="H01C10/23" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/23</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>resistive element dimensions changing in a series of discrete, progressive steps</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="H01C10/24" definition-exists="false" ipc-concordant="H01C10/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the contact moving along turns of a helical resistive element, or vica versa</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="H01C10/26" definition-exists="true" ipc-concordant="H01C10/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>H01C10/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>resistive element moving </text><reference><text><class-ref scheme="cpc">H01C10/16</class-ref>, <class-ref scheme="cpc">H01C10/24</class-ref> take precedence</text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>Groups <class-ref scheme="cpc">H01C10/02</class-ref> - <class-ref scheme="cpc">H01C10/26</class-ref> take precedence over groups <class-ref scheme="cpc">H01C10/28</class-ref> - <class-ref scheme="cpc">H01C10/50</class-ref>.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01C10/28" definition-exists="false" ipc-concordant="H01C10/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the contact rocking or rolling along resistive element or taps</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="H01C10/30" definition-exists="false" ipc-concordant="H01C10/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the contact sliding along resistive element</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01C10/301" definition-exists="false" ipc-concordant="H01C10/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/301</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of a wire wound resistor</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="H01C10/303" definition-exists="false" ipc-concordant="H01C10/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/303</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the resistor being coated, e.g. lubricated, conductive plastic coated, i.e. hybrid potentiometer</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="H01C10/305" definition-exists="false" ipc-concordant="H01C10/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/305</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of a thick film</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="H01C10/306" definition-exists="false" ipc-concordant="H01C10/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/306</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polymer thick film, i.e. PTF</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="H01C10/308" definition-exists="false" ipc-concordant="H01C10/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/308</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of a thin film</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="H01C10/32" definition-exists="false" ipc-concordant="H01C10/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the contact moving in an arcuate path</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01C10/34" definition-exists="false" ipc-concordant="H01C10/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the contact or the associated conducting structure riding on collector formed as a ring or portion thereof</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01C10/345" definition-exists="false" ipc-concordant="H01C10/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/345</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the collector and resistive track being situated in 2 parallel planes</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="H01C10/36" definition-exists="false" ipc-concordant="H01C10/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>structurally combined with switching arrangements</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01C10/363" definition-exists="false" ipc-concordant="H01C10/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/363</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by axial movement of the spindle, e.g. pull-push switch </text><reference><text><class-ref scheme="cpc">H01C10/366</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="H01C10/366" definition-exists="false" ipc-concordant="H01C10/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/366</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using an electromagnetic actuator</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="H01C10/38" definition-exists="false" ipc-concordant="H01C10/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the contact moving along a straight path</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01C10/40" definition-exists="false" ipc-concordant="H01C10/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>screw operated</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01C10/42" definition-exists="false" ipc-concordant="H01C10/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the contact bridging and sliding along resistive element and parallel conducting bar or collector</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="H01C10/44" definition-exists="true" ipc-concordant="H01C10/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the contact bridging and sliding along resistive element and parallel conducting bar or collector </text><reference><text><class-ref scheme="cpc">H01C10/42</class-ref> takes precedence</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="8" additional-only="false" sort-key="H01C10/46" definition-exists="true" ipc-concordant="H01C10/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements of fixed resistors with intervening connectors, e.g. taps </text><reference><text><class-ref scheme="cpc">H01C10/28</class-ref>, <class-ref scheme="cpc">H01C10/30</class-ref> take 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="H01C10/48" definition-exists="false" ipc-concordant="H01C10/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>including contact movable in an arcuate path</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="H01C10/50" definition-exists="true" ipc-concordant="H01C10/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C10/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>structurally combined with switching arrangements </text><reference><text><class-ref scheme="cpc">H01C10/36</class-ref> takes precedence</text></reference></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="H01C11/00" definition-exists="false" ipc-concordant="H01C11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-adjustable liquid resistors</text></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="H01C13/00" definition-exists="false" ipc-concordant="H01C13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C13/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Resistors not provided for elsewhere</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01C13/02" definition-exists="true" ipc-concordant="H01C13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C13/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Structural combinations of resistors </text><reference><text>impedance networks <u>per se</u> <class-ref scheme="cpc">H03H</class-ref></text></reference></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="H01C17/00" definition-exists="true" ipc-concordant="H01C17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus or processes specially adapted for manufacturing resistors </text><reference><text>providing fillings for housings or enclosures <class-ref scheme="cpc">H01C1/02</class-ref>; reducing insulation surrounding a resistor to powder <class-ref scheme="cpc">H01C1/03</class-ref>; manufacture of thermally variable resistors <class-ref scheme="cpc">H01C7/02</class-ref>, <class-ref scheme="cpc">H01C7/04</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="H01C17/003" definition-exists="false" ipc-concordant="H01C17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using lithography, e.g. photolithography </text><reference><text>lithographic compositions and processing in general <class-ref scheme="cpc">G03F</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="H01C17/006" definition-exists="false" ipc-concordant="H01C17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>adapted for manufacturing resistor chips</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="H01C17/02" definition-exists="false" ipc-concordant="H01C17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>adapted for manufacturing resistors with envelope or housing</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="H01C17/04" definition-exists="false" ipc-concordant="H01C17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>adapted for winding the resistive element</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="H01C17/06" definition-exists="false" ipc-concordant="H01C17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>adapted for coating resistive material on a base</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01C17/065" definition-exists="false" ipc-concordant="H01C17/065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by thick film techniques, e.g. serigraphy</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01C17/06506" definition-exists="false" ipc-concordant="H01C17/065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/06506</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Precursor compositions therefor, e.g. pastes, inks, glass frits</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="H01C17/06513" definition-exists="false" ipc-concordant="H01C17/065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/06513</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the resistive component</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="H01C17/0652" definition-exists="false" ipc-concordant="H01C17/065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/0652</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing carbon or carbides</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="H01C17/06526" definition-exists="false" ipc-concordant="H01C17/065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/06526</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>composed of metals</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="H01C17/06533" definition-exists="false" ipc-concordant="H01C17/065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/06533</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>composed of oxides</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="H01C17/0654" definition-exists="false" ipc-concordant="H01C17/065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/0654</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Oxides of the platinum group</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="H01C17/06546" definition-exists="false" ipc-concordant="H01C17/065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/06546</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Oxides of zinc or cadmium</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="H01C17/06553" definition-exists="false" ipc-concordant="H01C17/065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/06553</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>composed of a combination of metals and oxides</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="H01C17/0656" definition-exists="false" ipc-concordant="H01C17/065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/0656</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>composed of silicides </text><reference><text><class-ref scheme="cpc">H01C17/0652</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="H01C17/06566" definition-exists="false" ipc-concordant="H01C17/065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/06566</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>composed of borides </text><reference><text><class-ref scheme="cpc">H01C17/0652</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="11" additional-only="false" sort-key="H01C17/06573" definition-exists="false" ipc-concordant="H01C17/065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/06573</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the permanent binder</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="H01C17/0658" definition-exists="false" ipc-concordant="H01C17/065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/0658</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>composed of inorganic material</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="H01C17/06586" definition-exists="false" ipc-concordant="H01C17/065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/06586</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>composed of organic 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="11" additional-only="false" sort-key="H01C17/06593" definition-exists="false" ipc-concordant="H01C17/065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/06593</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the temporary binder</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="H01C17/07" definition-exists="false" ipc-concordant="H01C17/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by resistor foil bonding, e.g. cladding</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="H01C17/075" definition-exists="false" ipc-concordant="H01C17/075" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/075</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by thin film techniques </text><CPC-specific-text><reference><text><class-ref scheme="cpc">H01C17/20</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="H01C17/08" definition-exists="false" ipc-concordant="H01C17/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by vapour deposition</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="H01C17/10" definition-exists="false" ipc-concordant="H01C17/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by flame spraying</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="H01C17/12" definition-exists="false" ipc-concordant="H01C17/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by sputtering</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="H01C17/14" definition-exists="false" ipc-concordant="H01C17/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by chemical deposition</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01C17/16" definition-exists="false" ipc-concordant="H01C17/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electric current</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="H01C17/18" definition-exists="false" ipc-concordant="H01C17/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>without using electric current</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="H01C17/20" definition-exists="false" ipc-concordant="H01C17/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by pyrolytic processes</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="H01C17/22" definition-exists="false" ipc-concordant="H01C17/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>adapted for trimming</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01C17/23" definition-exists="false" ipc-concordant="H01C17/23" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/23</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by opening or closing resistor geometric tracks of predetermined resistive values, </text><CPC-specific-text><text>e.g. snapistors</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="H01C17/232" definition-exists="false" ipc-concordant="H01C17/232" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/232</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adjusting the temperature coefficient</text></title-part><title-part><text>Adjusting value of resistance by adjusting temperature coefficient of resistance</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="H01C17/235" definition-exists="false" ipc-concordant="H01C17/235" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/235</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Initial adjustment of potentiometer parts for calibration</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="H01C17/24" definition-exists="true" ipc-concordant="H01C17/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by removing or adding resistive material </text><reference><text><class-ref scheme="cpc">H01C17/23</class-ref>, <class-ref scheme="cpc">H01C17/232</class-ref>, <class-ref scheme="cpc">H01C17/235</class-ref> take 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="H01C17/2404" definition-exists="false" ipc-concordant="H01C17/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>H01C17/2404</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>by charged particle impact, e.g. by electron or ion beam milling, sputtering, plasma etching</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="H01C17/2408" definition-exists="false" ipc-concordant="H01C17/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/2408</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by pulsed voltage erosion, e.g. spark erosion</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="H01C17/2412" definition-exists="false" ipc-concordant="H01C17/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>H01C17/2412</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>by electrolytic treatment, e.g. electroplating </text><reference><text>for anodic oxydation <class-ref scheme="cpc">H01C17/262</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="H01C17/2416" definition-exists="false" ipc-concordant="H01C17/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/2416</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by chemical etching</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="H01C17/242" definition-exists="true" ipc-concordant="H01C17/242" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>H01C17/242</classification-symbol><class-title date-revised="2015-10-01"><title-part><text>by laser </text><CPC-specific-text><reference><text>trimming by laser in general <class-ref scheme="cpc">B23K26/351</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="H01C17/245" definition-exists="false" ipc-concordant="H01C17/245" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by mechanical means, e.g. sand blasting, cutting, ultrasonic treatment</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="H01C17/26" definition-exists="false" ipc-concordant="H01C17/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by converting resistive material</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01C17/262" definition-exists="false" ipc-concordant="H01C17/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/262</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by electrolytic treatment, e.g. anodic oxydation</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="H01C17/265" definition-exists="false" ipc-concordant="H01C17/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by chemical or thermal treatment, e.g. oxydation, reduction, annealing </text><reference><text>etching <class-ref scheme="cpc">H01C17/2416</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="H01C17/267" definition-exists="false" ipc-concordant="H01C17/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/267</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by passage of voltage pulses or electric current</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="H01C17/28" definition-exists="false" ipc-concordant="H01C17/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>adapted for applying terminals</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01C17/281" definition-exists="false" ipc-concordant="H01C17/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/281</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>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01C17/283" definition-exists="false" ipc-concordant="H01C17/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/283</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Precursor compositions therefor, e.g. pastes, inks, glass frits</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="H01C17/285" definition-exists="false" ipc-concordant="H01C17/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>applied to zinc or cadmium oxide resistors</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="H01C17/286" definition-exists="false" ipc-concordant="H01C17/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/286</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>applied to TiO<sub>2</sub> or titanate resistors</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="H01C17/288" definition-exists="false" ipc-concordant="H01C17/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/288</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></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01C17/30" definition-exists="false" ipc-concordant="H01C17/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01C17/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>adapted for baking</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></class-scheme> |