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234 lines
121 KiB
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234 lines
121 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="C30B" definition-exists="true" date-revised="2023-02-01" status="published"><classification-symbol>C30B</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>SINGLE-CRYSTAL GROWTH </text><reference><text>by using ultra-high pressure, e.g. for the formation of diamonds, <class-ref scheme="cpc">B01J3/06</class-ref></text></reference></title-part><title-part><text>UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL</text></title-part><title-part><text>REFINING BY ZONE-MELTING OF MATERIAL </text><reference><text>zone-refining of metals or alloys <class-ref scheme="cpc">C22B</class-ref></text></reference></title-part><title-part><text>PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE </text><reference><text>casting of metals, casting of other substances by the same processes or devices <class-ref scheme="cpc">B22D</class-ref>; working of plastics <class-ref scheme="cpc">B29</class-ref>; modifying the physical structure of metals or alloys <class-ref scheme="cpc">C21D</class-ref>, <class-ref scheme="cpc">C22F</class-ref></text></reference></title-part><title-part><text>SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE</text></title-part><title-part><text>AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE </text><reference><text>for producing semiconductor devices or parts thereof <class-ref scheme="cpc">H01L</class-ref>, <class-ref scheme="cpc">H10</class-ref></text></reference></title-part><title-part><text>APPARATUS THEREFOR</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>In this subclass, the following expressions are used with the meaning indicated: <subnote type="bullet"><note-paragraph>"single-crystal" includes also twin crystals and a predominantly single crystal product; </note-paragraph><note-paragraph>"homogeneous polycrystalline material" means a material with crystal particles, all of which have the same chemical composition; </note-paragraph><note-paragraph>"defined structure" means the structure of a material with grains which are oriented in a preferential way or have larger dimensions than normally obtained.</note-paragraph></subnote></note-paragraph><note-paragraph>In this subclass: <subnote type="bullet"><note-paragraph>the preparation of crystals or a homogeneous polycrystalline material with defined structure of particular materials or shapes is classified in the group for the process as well as in group <class-ref scheme="cpc">C30B29/00</class-ref>; </note-paragraph><note-paragraph>an apparatus specially adapted for a specific process is classified in the appropriate group for the process. Apparatus to be used in more than one kind of process is classified in group <class-ref scheme="cpc">C30B35/00</class-ref>.</note-paragraph></subnote></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="C30B1/00" date-revised="2013-01-01" status="published"><classification-symbol>C30B1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-crystal growth from solids or gels</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C30B1/00" definition-exists="true" ipc-concordant="C30B1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-crystal growth directly from the solid state </text><reference><text>unidirectional demixing of eutectoid materials <class-ref scheme="cpc">C30B3/00</class-ref>; under a protective fluid <class-ref scheme="cpc">C30B27/00</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="C30B1/02" definition-exists="false" ipc-concordant="C30B1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by thermal treatment, e.g. strain annealing </text><reference><text><class-ref scheme="cpc">C30B1/12</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B1/023" definition-exists="false" ipc-concordant="C30B1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B1/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from solids with amorphous structure</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="C30B1/026" definition-exists="true" ipc-concordant="C30B1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B1/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Solid phase epitaxial growth through a disordered intermediate layer</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="C30B1/04" definition-exists="false" ipc-concordant="C30B1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Isothermal recrystallisation</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="C30B1/06" definition-exists="false" ipc-concordant="C30B1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Recrystallisation under a temperature gradient</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C30B1/08" definition-exists="false" ipc-concordant="C30B1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Zone recrystallisation</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="C30B1/10" definition-exists="false" ipc-concordant="C30B1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by solid state reactions or multi-phase diffusion</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="C30B1/12" definition-exists="false" ipc-concordant="C30B1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by pressure treatment during the growth</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="C30B3/00" definition-exists="true" ipc-concordant="C30B3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Unidirectional demixing of eutectoid materials</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="C30B5/00" definition-exists="true" ipc-concordant="C30B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-crystal growth from gels </text><reference><text>under a protective fluid <class-ref scheme="cpc">C30B27/00</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="C30B5/02" definition-exists="false" ipc-concordant="C30B5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C30B5/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>with addition of doping materials</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="C30B7/00" date-revised="2013-01-01" status="published"><classification-symbol>C30B7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-crystal growth from liquids</text></title-part><title-part><text>Unidirectional solidification of eutectic materials</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C30B7/00" definition-exists="false" ipc-concordant="C30B7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions </text><reference><text>from molten solvents <class-ref scheme="cpc">C30B9/00</class-ref>; by normal or gradient freezing <class-ref scheme="cpc">C30B11/00</class-ref>; under a protective fluid <class-ref scheme="cpc">C30B27/00</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="C30B7/005" definition-exists="false" ipc-concordant="C30B7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>C30B7/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Epitaxial layer growth</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="C30B7/02" definition-exists="false" ipc-concordant="C30B7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B7/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by evaporation of the solvent</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B7/04" definition-exists="false" ipc-concordant="C30B7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B7/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using aqueous solvents</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="C30B7/06" definition-exists="false" ipc-concordant="C30B7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B7/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using non-aqueous solvents</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="C30B7/08" definition-exists="false" ipc-concordant="C30B7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B7/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by cooling of the solution</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="C30B7/10" definition-exists="false" ipc-concordant="C30B7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B7/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by application of pressure, e.g. hydrothermal processes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B7/105" definition-exists="false" ipc-concordant="C30B7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B7/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using ammonia as solvent, i.e. ammonothermal processes</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="C30B7/12" definition-exists="false" ipc-concordant="C30B7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B7/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by electrolysis</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="C30B7/14" definition-exists="false" ipc-concordant="C30B7/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C30B7/14</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>the crystallising materials being formed by chemical reactions in the solution</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="C30B9/00" definition-exists="true" ipc-concordant="C30B9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-crystal growth from melt solutions using molten solvents </text><reference><text>by normal or gradient freezing <class-ref scheme="cpc">C30B11/00</class-ref>; by zone-melting <class-ref scheme="cpc">C30B13/00</class-ref>; by crystal pulling <class-ref scheme="cpc">C30B15/00</class-ref>; on immersed seed crystal <class-ref scheme="cpc">C30B17/00</class-ref>; by liquid phase epitaxial growth <class-ref scheme="cpc">C30B19/00</class-ref>; under a protective fluid <class-ref scheme="cpc">C30B27/00</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="C30B9/02" definition-exists="false" ipc-concordant="C30B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by evaporation of the molten solvent</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="C30B9/04" definition-exists="false" ipc-concordant="C30B9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B9/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by cooling of the solution</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B9/06" definition-exists="false" ipc-concordant="C30B9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B9/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using as solvent a component of the crystal composition</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="C30B9/08" definition-exists="false" ipc-concordant="C30B9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B9/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using other solvents</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C30B9/10" definition-exists="false" ipc-concordant="C30B9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B9/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metal solvents</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="C30B9/12" definition-exists="false" ipc-concordant="C30B9/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B9/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Salt solvents, e.g. flux growth</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="C30B9/14" definition-exists="false" ipc-concordant="C30B9/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B9/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by electrolysis</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="C30B11/00" definition-exists="false" ipc-concordant="C30B11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method </text><reference><text><class-ref scheme="cpc">C30B13/00</class-ref>, <class-ref scheme="cpc">C30B15/00</class-ref>, <class-ref scheme="cpc">C30B17/00</class-ref>, <class-ref scheme="cpc">C30B19/00</class-ref> take precedence; under a protective fluid <class-ref scheme="cpc">C30B27/00</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="C30B11/001" definition-exists="false" ipc-concordant="C30B11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B11/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Continuous growth</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="C30B11/002" definition-exists="false" ipc-concordant="C30B11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B11/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Crucibles or containers for supporting the melt</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="C30B11/003" definition-exists="false" ipc-concordant="C30B11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B11/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heating or cooling of the melt or the crystallised material</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="C30B11/005" definition-exists="false" ipc-concordant="C30B11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B11/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by irradiation or electric discharge</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="C30B11/006" definition-exists="false" ipc-concordant="C30B11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B11/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling or regulating</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="C30B11/007" definition-exists="false" ipc-concordant="C30B11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B11/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mechanisms for moving either the charge or the heater</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="C30B11/008" definition-exists="false" ipc-concordant="C30B11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B11/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using centrifugal force to the charge</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="C30B11/02" definition-exists="false" ipc-concordant="C30B11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>without using solvents </text><reference><text><class-ref scheme="cpc">C30B11/06</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="C30B11/04" definition-exists="false" ipc-concordant="C30B11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C30B11/04</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>adding crystallising materials or reactants forming it <u>in situ</u> to the melt</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B11/06" definition-exists="false" ipc-concordant="C30B11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B11/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>at least one but not all components of the crystal composition being added</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C30B11/065" definition-exists="false" ipc-concordant="C30B11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B11/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>before crystallising, e.g. synthesis</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="C30B11/08" definition-exists="false" ipc-concordant="C30B11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B11/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>every component of the crystal composition being added during the crystallisation</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C30B11/10" definition-exists="false" ipc-concordant="C30B11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B11/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Solid or liquid components, e.g. Verneuil method</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="C30B11/12" definition-exists="false" ipc-concordant="C30B11/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B11/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vaporous components, e.g. vapour-liquid-solid-growth</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="C30B11/14" definition-exists="false" ipc-concordant="C30B11/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B11/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the seed, e.g. its crystallographic orientation</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="C30B13/00" definition-exists="false" ipc-concordant="C30B13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B13/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-crystal growth by zone-melting</text></title-part><title-part><text>Refining by zone-melting </text><reference><text><class-ref scheme="cpc">C30B17/00</class-ref> takes precedence; by changing the cross-section of the treated solid <class-ref scheme="cpc">C30B15/00</class-ref>; under a protective fluid <class-ref scheme="cpc">C30B27/00</class-ref>; zone-refining of specific materials, <u>see</u> the relevant subclasses for the materials</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="C30B13/005" definition-exists="false" ipc-concordant="C30B13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B13/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Continuous growth</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="C30B13/02" definition-exists="false" ipc-concordant="C30B13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B13/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Zone-melting with a solvent, e.g. travelling solvent process</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="C30B13/04" definition-exists="false" ipc-concordant="C30B13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B13/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Homogenisation by zone-levelling</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="C30B13/06" definition-exists="false" ipc-concordant="C30B13/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B13/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the molten zone not extending over the whole cross-section</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="C30B13/08" definition-exists="false" ipc-concordant="C30B13/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C30B13/08</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>adding crystallising materials or reactants forming it <u>in situ</u> to the molten zone</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B13/10" definition-exists="false" ipc-concordant="C30B13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C30B13/10</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>with addition of doping materials</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C30B13/12" definition-exists="false" ipc-concordant="C30B13/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B13/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in the gaseous or vapour state</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="C30B13/14" definition-exists="false" ipc-concordant="C30B13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B13/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Crucibles or vessels</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="C30B13/16" definition-exists="false" ipc-concordant="C30B13/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B13/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heating of the molten zone</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B13/18" definition-exists="false" ipc-concordant="C30B13/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B13/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the heating element being in contact with, or immersed in, the molten zone</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="C30B13/20" definition-exists="true" ipc-concordant="C30B13/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C30B13/20</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>by induction, e.g. hot wire technique </text><reference><text><class-ref scheme="cpc">C30B13/18</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="C30B13/22" definition-exists="false" ipc-concordant="C30B13/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B13/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by irradiation or electric discharge</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C30B13/24" definition-exists="false" ipc-concordant="C30B13/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B13/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electromagnetic waves</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="C30B13/26" definition-exists="false" ipc-concordant="C30B13/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B13/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Stirring of the molten zone</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="C30B13/28" definition-exists="true" ipc-concordant="C30B13/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C30B13/28</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Controlling or regulating</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B13/285" definition-exists="false" ipc-concordant="C30B13/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B13/285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Crystal holders, e.g. chucks</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="C30B13/30" definition-exists="false" ipc-concordant="C30B13/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B13/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Stabilisation or shape controlling of the molten zone, e.g. by concentrators, by electromagnetic fields</text></title-part><title-part><text>Controlling the section of the crystal</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="C30B13/32" definition-exists="false" ipc-concordant="C30B13/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B13/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mechanisms for moving either the charge or the heater</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="C30B13/34" definition-exists="false" ipc-concordant="C30B13/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B13/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the seed, e.g. by its crystallographic orientation</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="C30B15/00" definition-exists="false" ipc-concordant="C30B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-crystal growth by pulling from a melt, e.g. Czochralski method </text><reference><text>under a protective fluid <class-ref scheme="cpc">C30B27/00</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="C30B15/002" definition-exists="false" ipc-concordant="C30B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Continuous growth</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="C30B15/005" definition-exists="false" ipc-concordant="C30B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Simultaneous pulling of more than one crystal</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="C30B15/007" definition-exists="false" ipc-concordant="C30B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pulling on a substrate</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="C30B15/02" definition-exists="false" ipc-concordant="C30B15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C30B15/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>adding crystallising materials or reactants forming it <u>in situ</u> to the melt</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B15/04" definition-exists="false" ipc-concordant="C30B15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C30B15/04</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>adding doping materials, e.g. for n-p-junction</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="C30B15/06" definition-exists="false" ipc-concordant="C30B15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-vertical pulling</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="C30B15/08" definition-exists="false" ipc-concordant="C30B15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Downward pulling</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="C30B15/10" definition-exists="false" ipc-concordant="C30B15/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Crucibles or containers for supporting the melt</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B15/12" definition-exists="false" ipc-concordant="C30B15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Double crucible methods</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="C30B15/14" definition-exists="false" ipc-concordant="C30B15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C30B15/14</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Heating of the melt or the crystallised materials</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B15/16" definition-exists="false" ipc-concordant="C30B15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by irradiation or electric discharge</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="C30B15/18" definition-exists="false" ipc-concordant="C30B15/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using direct resistance heating in addition to other methods of heating, e.g. using Peltier heat</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="C30B15/20" definition-exists="false" ipc-concordant="C30B15/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling or regulating </text><reference><text>controlling or regulating in general <class-ref scheme="cpc">G05</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B15/203" definition-exists="false" ipc-concordant="C30B15/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/203</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the relationship of pull rate (v) to axial thermal gradient (G)</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="C30B15/206" definition-exists="false" ipc-concordant="C30B15/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/206</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the thermal history of growing the ingot</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="C30B15/22" definition-exists="false" ipc-concordant="C30B15/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Stabilisation or shape controlling of the molten zone near the pulled crystal</text></title-part><title-part><text>Controlling the section of the crystal</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C30B15/24" definition-exists="false" ipc-concordant="C30B15/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using mechanical means, e.g. shaping guides </text><reference><text>shaping dies for edge-defined film-fed crystal growth <class-ref scheme="cpc">C30B15/34</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C30B15/26" definition-exists="false" ipc-concordant="C30B15/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using television detectors</text></title-part><title-part><text>using photo or X-ray detectors</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="C30B15/28" definition-exists="false" ipc-concordant="C30B15/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using weight changes of the crystal or the melt, e.g. flotation methods</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="C30B15/30" definition-exists="false" ipc-concordant="C30B15/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mechanisms for rotating or moving either the melt or the crystal </text><reference><text>flotation methods <class-ref scheme="cpc">C30B15/28</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B15/305" definition-exists="false" ipc-concordant="C30B15/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/305</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Stirring of the melt</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="C30B15/32" definition-exists="false" ipc-concordant="C30B15/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Seed holders, e.g. chucks</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="C30B15/34" definition-exists="false" ipc-concordant="C30B15/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Edge-defined film-fed crystal-growth using dies or slits</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="C30B15/36" definition-exists="false" ipc-concordant="C30B15/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B15/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the seed, e.g. its crystallographic orientation</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="C30B17/00" definition-exists="false" ipc-concordant="C30B17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-crystal growth onto a seed which remains in the melt during growth, e.g. Nacken-Kyropoulos method </text><reference><text><class-ref scheme="cpc">C30B15/00</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="7" additional-only="false" sort-key="C30B19/00" definition-exists="false" ipc-concordant="C30B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B19/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Liquid-phase epitaxial-layer growth</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C30B19/02" definition-exists="false" ipc-concordant="C30B19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B19/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using molten solvents, e.g. flux</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B19/04" definition-exists="false" ipc-concordant="C30B19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B19/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the solvent being a component of the crystal composition</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="C30B19/06" definition-exists="false" ipc-concordant="C30B19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B19/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reaction chambers</text></title-part><title-part><text>Boats for supporting the melt</text></title-part><title-part><text>Substrate holders</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B19/061" definition-exists="false" ipc-concordant="C30B19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B19/061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tipping system, e.g. by rotation</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="C30B19/062" definition-exists="false" ipc-concordant="C30B19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B19/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vertical dipping system</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="C30B19/063" definition-exists="false" ipc-concordant="C30B19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B19/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sliding boat system</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="C30B19/064" definition-exists="false" ipc-concordant="C30B19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B19/064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rotating sliding boat system</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="C30B19/065" definition-exists="false" ipc-concordant="C30B19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B19/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multiple stacked slider system</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="C30B19/066" definition-exists="false" ipc-concordant="C30B19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B19/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Injection or centrifugal force system</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="C30B19/067" definition-exists="false" ipc-concordant="C30B19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B19/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Boots or containers</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="C30B19/068" definition-exists="false" ipc-concordant="C30B19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B19/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Substrate holders</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="C30B19/08" definition-exists="false" ipc-concordant="C30B19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B19/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heating of the reaction chamber or the substrate</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="C30B19/10" definition-exists="false" ipc-concordant="C30B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B19/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling or regulating </text><reference><text>controlling or regulating in general <class-ref scheme="cpc">G05</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B19/103" definition-exists="false" ipc-concordant="C30B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B19/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Current controlled or induced growth</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="C30B19/106" definition-exists="false" ipc-concordant="C30B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B19/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>adding crystallising material or reactants forming it <u>in situ</u> to the liquid</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="C30B19/12" definition-exists="false" ipc-concordant="C30B19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B19/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the substrate</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="C30B21/00" definition-exists="false" ipc-concordant="C30B21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B21/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Unidirectional solidification of eutectic materials</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C30B21/02" definition-exists="false" ipc-concordant="C30B21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B21/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by normal casting or gradient freezing</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="C30B21/04" definition-exists="false" ipc-concordant="C30B21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B21/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by zone-melting</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="C30B21/06" definition-exists="false" ipc-concordant="C30B21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B21/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by pulling from a melt</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="C30B23/00" date-revised="2013-01-01" status="published"><classification-symbol>C30B23/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-crystal growth from vapours</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C30B23/00" definition-exists="true" ipc-concordant="C30B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>C30B23/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Single-crystal growth by condensing evaporated or sublimed materials</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>Groups <class-ref scheme="cpc">C30B23/002</class-ref> - <class-ref scheme="cpc">C30B23/005</class-ref> take precedence over groups <class-ref scheme="cpc">C30B23/007</class-ref> - <class-ref scheme="cpc">C30B23/08</class-ref></note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C30B23/002" definition-exists="false" ipc-concordant="C30B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B23/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling or regulating</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="C30B23/005" definition-exists="false" ipc-concordant="C30B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B23/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling or regulating flux or flow of depositing species or vapour</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="C30B23/007" definition-exists="false" ipc-concordant="C30B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B23/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Growth of whiskers or needles</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="C30B23/02" definition-exists="true" ipc-concordant="C30B23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B23/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Epitaxial-layer growth</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B23/025" definition-exists="false" ipc-concordant="C30B23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B23/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the substrate</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="C30B23/04" definition-exists="false" ipc-concordant="C30B23/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B23/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pattern deposit, e.g. by using masks</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="C30B23/06" definition-exists="false" ipc-concordant="C30B23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C30B23/06</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Heating of the deposition chamber, the substrate or the materials to be evaporated</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C30B23/063" definition-exists="false" ipc-concordant="C30B23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>C30B23/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heating of the substrate</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="C30B23/066" definition-exists="false" ipc-concordant="C30B23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>C30B23/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heating of the material to be evaporated</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="C30B23/08" definition-exists="false" ipc-concordant="C30B23/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B23/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by condensing ionised vapours </text><reference><text>by reactive sputtering <class-ref scheme="cpc">C30B25/06</class-ref></text></reference></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C30B25/00" definition-exists="true" ipc-concordant="C30B25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B25/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C30B25/005" definition-exists="false" ipc-concordant="C30B25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B25/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Growth of whiskers or needles</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="C30B25/02" definition-exists="true" ipc-concordant="C30B25/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B25/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Epitaxial-layer growth</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B25/025" definition-exists="false" ipc-concordant="C30B25/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B25/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Continuous growth</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="C30B25/04" definition-exists="false" ipc-concordant="C30B25/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B25/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pattern deposit, e.g. by using masks</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="C30B25/06" definition-exists="false" ipc-concordant="C30B25/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B25/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by reactive sputtering</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="C30B25/08" definition-exists="false" ipc-concordant="C30B25/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C30B25/08</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Reaction chambers</text></title-part><title-part><text>Selection of materials therefor</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="C30B25/10" definition-exists="false" ipc-concordant="C30B25/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B25/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heating of the reaction chamber or the substrate</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C30B25/105" definition-exists="true" ipc-concordant="C30B25/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B25/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by irradiation or electric discharge</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="C30B25/12" definition-exists="false" ipc-concordant="C30B25/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B25/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Substrate holders or susceptors</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="C30B25/14" definition-exists="false" ipc-concordant="C30B25/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B25/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Feed and outlet means for the gases</text></title-part><title-part><text>Modifying the flow of the reactive gases</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="C30B25/16" definition-exists="false" ipc-concordant="C30B25/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B25/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling or regulating </text><reference><text>controlling or regulating in general <class-ref scheme="cpc">G05</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C30B25/165" definition-exists="false" ipc-concordant="C30B25/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>C30B25/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the flow of the reactive gases</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="C30B25/18" definition-exists="false" ipc-concordant="C30B25/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B25/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the substrate</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C30B25/183" definition-exists="false" ipc-concordant="C30B25/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>C30B25/183</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>being provided with a buffer layer, e.g. a lattice matching layer</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="C30B25/186" definition-exists="false" ipc-concordant="C30B25/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C30B25/186</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>being specially pre-treated by, e.g. chemical or physical means</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="C30B25/20" definition-exists="false" ipc-concordant="C30B25/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C30B25/20</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>the substrate being of the same materials as the epitaxial layer</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C30B25/205" definition-exists="false" ipc-concordant="C30B25/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B25/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the substrate being of insulating material</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="C30B25/22" definition-exists="false" ipc-concordant="C30B25/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B25/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sandwich processes</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C30B27/00" definition-exists="false" ipc-concordant="C30B27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B27/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-crystal growth under a protective fluid</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C30B27/02" definition-exists="false" ipc-concordant="C30B27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B27/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by pulling from a melt</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="C30B28/00" definition-exists="false" ipc-concordant="C30B28/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B28/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Production of homogeneous polycrystalline material with defined structure</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C30B28/02" definition-exists="false" ipc-concordant="C30B28/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B28/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>directly from the solid state</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="C30B28/04" definition-exists="false" ipc-concordant="C30B28/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B28/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from liquids</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B28/06" definition-exists="false" ipc-concordant="C30B28/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B28/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by normal freezing or freezing under temperature gradient</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="C30B28/08" definition-exists="false" ipc-concordant="C30B28/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B28/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by zone-melting</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="C30B28/10" definition-exists="false" ipc-concordant="C30B28/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B28/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by pulling from a melt</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="C30B28/12" definition-exists="false" ipc-concordant="C30B28/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B28/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>directly from the gas state</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B28/14" definition-exists="false" ipc-concordant="C30B28/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B28/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by chemical reaction of reactive gases</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C30B29/00" definition-exists="true" ipc-concordant="C30B29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C30B29/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>In groups <class-ref scheme="cpc">C30B29/02</class-ref> - <class-ref scheme="cpc">C30B29/58</class-ref>, in the absence of an indication to the contrary, a material is classified in the last appropriate place.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C30B29/02" definition-exists="true" ipc-concordant="C30B29/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>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="C30B29/04" definition-exists="false" ipc-concordant="C30B29/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Diamond</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="C30B29/06" definition-exists="false" ipc-concordant="C30B29/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Silicon</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="C30B29/08" definition-exists="false" ipc-concordant="C30B29/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Germanium</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="C30B29/10" definition-exists="false" ipc-concordant="C30B29/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic compounds or compositions</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B29/12" definition-exists="false" ipc-concordant="C30B29/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Halides</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="C30B29/14" definition-exists="false" ipc-concordant="C30B29/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Phosphates</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="C30B29/16" definition-exists="false" ipc-concordant="C30B29/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oxides</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C30B29/18" definition-exists="false" ipc-concordant="C30B29/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Quartz</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="C30B29/20" definition-exists="false" ipc-concordant="C30B29/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aluminium oxides</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="C30B29/22" definition-exists="false" ipc-concordant="C30B29/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Complex oxides</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C30B29/225" definition-exists="false" ipc-concordant="C30B29/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>based on rare earth copper oxides, e.g. high T-superconductors</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="C30B29/24" definition-exists="false" ipc-concordant="C30B29/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with formula AMeO<sub>3</sub>, wherein A is a rare earth metal and Me is Fe, Ga, Sc, Cr, Co or Al, e.g. ortho ferrites</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="C30B29/26" definition-exists="false" ipc-concordant="C30B29/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with formula BMe<sub>2</sub>O<sub>4</sub>, wherein B is Mg, Ni, Co, Al, Zn, or Cd and Me is Fe, Ga, Sc, Cr, Co, or Al</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="C30B29/28" definition-exists="false" ipc-concordant="C30B29/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with formula A<sub>3</sub>Me<sub>5</sub>O<sub>12</sub> wherein A is a rare earth metal and Me is Fe, Ga, Sc, Cr, Co or Al, e.g. garnets</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="C30B29/30" definition-exists="false" ipc-concordant="C30B29/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Niobates</text></title-part><title-part><text>Vanadates</text></title-part><title-part><text>Tantalates</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="C30B29/32" definition-exists="false" ipc-concordant="C30B29/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Titanates</text></title-part><title-part><text>Germanates</text></title-part><title-part><text>Molybdates</text></title-part><title-part><text>Tungstates</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="C30B29/34" definition-exists="false" ipc-concordant="C30B29/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Silicates</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="C30B29/36" definition-exists="false" ipc-concordant="C30B29/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbides</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="C30B29/38" definition-exists="true" ipc-concordant="C30B29/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nitrides</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="C30B29/40" definition-exists="false" ipc-concordant="C30B29/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/40</classification-symbol><class-title date-revised="2015-12-01"><title-part><text>A<sub>III</sub>B<sub>V</sub> compounds </text><CPC-specific-text><text>wherein A is B, Al, Ga, In or Tl and B is N, P, As, Sb or Bi</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="C30B29/403" definition-exists="false" ipc-concordant="C30B29/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>C30B29/403</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>A<sub>III</sub>-nitrides</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="C30B29/406" definition-exists="false" ipc-concordant="C30B29/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>C30B29/406</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>Gallium nitride</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="C30B29/42" definition-exists="false" ipc-concordant="C30B29/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gallium arsenide</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="C30B29/44" definition-exists="false" ipc-concordant="C30B29/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gallium phosphide</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="C30B29/46" definition-exists="false" ipc-concordant="C30B29/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sulfur-, selenium- or tellurium-containing compounds</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C30B29/48" definition-exists="false" ipc-concordant="C30B29/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/48</classification-symbol><class-title date-revised="2015-12-01"><title-part><text>A<sub>II</sub>B<sub>VI</sub> compounds </text><CPC-specific-text><text>wherein A is Zn, Cd or Hg, and B is S, Se or Te</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="C30B29/50" definition-exists="false" ipc-concordant="C30B29/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cadmium sulfide</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="C30B29/52" definition-exists="false" ipc-concordant="C30B29/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys</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="C30B29/54" definition-exists="false" ipc-concordant="C30B29/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic compounds</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B29/56" definition-exists="false" ipc-concordant="C30B29/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tartrates</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="C30B29/58" definition-exists="true" ipc-concordant="C30B29/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Macromolecular compounds</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="C30B29/60" definition-exists="true" ipc-concordant="C30B29/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by shape</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B29/602" definition-exists="true" ipc-concordant="C30B29/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/602</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Nanotubes</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="C30B29/605" definition-exists="true" ipc-concordant="C30B29/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/605</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Products containing multiple oriented crystallites, e.g. columnar crystallites</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="C30B29/62" definition-exists="false" ipc-concordant="C30B29/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Whiskers or needles</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="C30B29/64" definition-exists="false" ipc-concordant="C30B29/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>C30B29/64</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>Flat crystals, e.g. plates, strips or discs</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="C30B29/66" definition-exists="false" ipc-concordant="C30B29/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>C30B29/66</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Crystals of complex geometrical shape, e.g. tubes, cylinders</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="C30B29/68" definition-exists="false" ipc-concordant="C30B29/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B29/68</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Crystals with laminate structure, e.g. "superlattices"</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C30B30/00" definition-exists="false" ipc-concordant="C30B30/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C30B30/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Production of single crystals or homogeneous polycrystalline material with defined structure characterised by the action of electric or magnetic fields, wave energy or other specific physical conditions</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>When classifying in this group, classification is also made in groups <class-ref scheme="cpc">C30B1/00</class-ref> - <class-ref scheme="cpc">C30B27/00</class-ref> according to the process of crystal growth.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C30B30/02" definition-exists="false" ipc-concordant="C30B30/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B30/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electric fields, e.g. electrolysis</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="C30B30/04" definition-exists="false" ipc-concordant="C30B30/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B30/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using magnetic fields</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="C30B30/06" definition-exists="false" ipc-concordant="C30B30/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B30/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using mechanical vibrations</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="C30B30/08" definition-exists="false" ipc-concordant="C30B30/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B30/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in conditions of zero-gravity or low gravity</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="C30B31/00" date-revised="2013-01-01" status="published"><classification-symbol>C30B31/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>After-treatment of single crystals or homogeneous polycrystalline material with defined structure</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C30B31/00" definition-exists="true" ipc-concordant="C30B31/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B31/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Diffusion or doping processes for single crystals or homogeneous polycrystalline material with defined structure</text></title-part><title-part><text>Apparatus therefor</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C30B31/02" definition-exists="false" ipc-concordant="C30B31/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C30B31/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>by contacting with diffusion materials in the solid state</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="C30B31/04" definition-exists="false" ipc-concordant="C30B31/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C30B31/04</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>by contacting with diffusion materials in the liquid state</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B31/045" definition-exists="false" ipc-concordant="C30B31/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B31/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by electrolysis</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="C30B31/06" definition-exists="false" ipc-concordant="C30B31/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>C30B31/06</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>by contacting with diffusion material in the gaseous state</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B31/08" definition-exists="false" ipc-concordant="C30B31/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C30B31/08</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>the diffusion materials being a compound of the elements to be diffused</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="C30B31/10" definition-exists="false" ipc-concordant="C30B31/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C30B31/10</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Reaction chambers</text></title-part><title-part><text>Selection of materials therefor</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C30B31/103" definition-exists="false" ipc-concordant="C30B31/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B31/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mechanisms for moving either the charge or heater</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="C30B31/106" definition-exists="false" ipc-concordant="C30B31/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B31/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Continuous processes</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="C30B31/12" definition-exists="false" ipc-concordant="C30B31/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B31/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heating of the reaction chamber</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="C30B31/14" definition-exists="false" ipc-concordant="C30B31/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B31/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Substrate holders or susceptors</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="C30B31/16" definition-exists="false" ipc-concordant="C30B31/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B31/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Feed and outlet means for the gases</text></title-part><title-part><text>Modifying the flow of the gases</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C30B31/165" definition-exists="false" ipc-concordant="C30B31/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B31/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Diffusion sources</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="C30B31/18" definition-exists="true" ipc-concordant="C30B31/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C30B31/18</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Controlling or regulating</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C30B31/185" definition-exists="false" ipc-concordant="C30B31/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B31/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pattern diffusion, e.g. by using masks</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="C30B31/20" definition-exists="false" ipc-concordant="C30B31/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B31/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Doping by irradiation with electromagnetic waves or by particle radiation</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B31/22" definition-exists="false" ipc-concordant="C30B31/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B31/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by ion-implantation</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C30B33/00" definition-exists="true" ipc-concordant="C30B33/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C30B33/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>After-treatment of single crystals or homogeneous polycrystalline material with defined structure </text><reference><text><class-ref scheme="cpc">C30B31/00</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C30B33/005" definition-exists="false" ipc-concordant="C30B33/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B33/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Oxydation</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="C30B33/02" definition-exists="false" ipc-concordant="C30B33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B33/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heat treatment </text><reference><text><class-ref scheme="cpc">C30B33/04</class-ref>, <class-ref scheme="cpc">C30B33/06</class-ref> take 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="C30B33/04" definition-exists="false" ipc-concordant="C30B33/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B33/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electric or magnetic fields or particle radiation</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="C30B33/06" definition-exists="false" ipc-concordant="C30B33/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B33/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Joining of crystals</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="C30B33/08" definition-exists="false" ipc-concordant="C30B33/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B33/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Etching</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C30B33/10" definition-exists="false" ipc-concordant="C30B33/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B33/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in solutions or melts</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="C30B33/12" definition-exists="false" ipc-concordant="C30B33/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B33/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in gas atmosphere or plasma</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C30B35/00" definition-exists="false" ipc-concordant="C30B35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>C30B35/00</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Apparatus not otherwise provided for, specially adapted for the growth, production or after-treatment of single crystals or of a homogeneous polycrystalline material with defined structure</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C30B35/002" definition-exists="false" ipc-concordant="C30B35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B35/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Crucibles or containers</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="C30B35/005" definition-exists="false" ipc-concordant="C30B35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C30B35/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Transport systems</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="C30B35/007" definition-exists="true" ipc-concordant="C30B35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>C30B35/007</classification-symbol><class-title date-revised="2017-02-01"><title-part><CPC-specific-text><text>Apparatus for preparing, pre-treating the source material to be used for crystal growth</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></class-scheme> |