JPWO2022190469A1 - - Google Patents

Info

Publication number
JPWO2022190469A1
JPWO2022190469A1 JP2023505102A JP2023505102A JPWO2022190469A1 JP WO2022190469 A1 JPWO2022190469 A1 JP WO2022190469A1 JP 2023505102 A JP2023505102 A JP 2023505102A JP 2023505102 A JP2023505102 A JP 2023505102A JP WO2022190469 A1 JPWO2022190469 A1 JP WO2022190469A1
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2023505102A
Other languages
Japanese (ja)
Other versions
JPWO2022190469A5 (https=
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPWO2022190469A1 publication Critical patent/JPWO2022190469A1/ja
Publication of JPWO2022190469A5 publication Critical patent/JPWO2022190469A5/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P52/00Grinding, lapping or polishing of wafers, substrates or parts of devices
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10Inorganic compounds or compositions
    • C30B29/36Carbides
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B33/00After-treatment of single crystals or homogeneous polycrystalline material with defined structure
    • C30B33/08Etching
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/80Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials
    • H10D62/83Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group IV materials, e.g. B-doped Si or undoped Ge
    • H10D62/832Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group IV materials, e.g. B-doped Si or undoped Ge being Group IV materials comprising two or more elements, e.g. SiGe
    • H10D62/8325Silicon carbide
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P52/00Grinding, lapping or polishing of wafers, substrates or parts of devices
    • H10P52/40Chemomechanical polishing [CMP]
    • H10P52/402Chemomechanical polishing [CMP] of semiconductor materials
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P74/00Testing or measuring during manufacture or treatment of wafers, substrates or devices
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P90/00Preparation of wafers not covered by a single main group of this subclass, e.g. wafer reinforcement
    • H10P90/12Preparing bulk and homogeneous wafers
    • H10P90/129Preparing bulk and homogeneous wafers by polishing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
JP2023505102A 2021-03-12 2021-11-24 Pending JPWO2022190469A1 (https=)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021039845 2021-03-12
PCT/JP2021/042936 WO2022190469A1 (ja) 2021-03-12 2021-11-24 炭化珪素基板および炭化珪素基板の製造方法

Publications (2)

Publication Number Publication Date
JPWO2022190469A1 true JPWO2022190469A1 (https=) 2022-09-15
JPWO2022190469A5 JPWO2022190469A5 (https=) 2023-12-07

Family

ID=83227777

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023505102A Pending JPWO2022190469A1 (https=) 2021-03-12 2021-11-24

Country Status (3)

Country Link
US (1) US20240234509A9 (https=)
JP (1) JPWO2022190469A1 (https=)
WO (1) WO2022190469A1 (https=)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101989255B1 (ko) * 2013-06-04 2019-06-13 쇼와 덴코 가부시키가이샤 에피택셜 탄화규소 웨이퍼용 탄화규소 단결정 기판의 제조 방법
JP6295969B2 (ja) * 2015-01-27 2018-03-20 日立金属株式会社 単結晶炭化珪素基板、単結晶炭化珪素基板の製造方法、および単結晶炭化珪素基板の検査方法
JP6696499B2 (ja) * 2015-11-24 2020-05-20 住友電気工業株式会社 炭化珪素エピタキシャル基板および炭化珪素半導体装置の製造方法
JP6690282B2 (ja) * 2016-02-15 2020-04-28 住友電気工業株式会社 炭化珪素エピタキシャル基板および炭化珪素半導体装置の製造方法
US10526699B2 (en) * 2017-09-08 2020-01-07 Sumitomo Electric Industries, Ltd. Silicon carbide epitaxial substrate and method for manufacturing silicon carbide semiconductor device

Also Published As

Publication number Publication date
US20240234509A9 (en) 2024-07-11
US20240136403A1 (en) 2024-04-25
WO2022190469A1 (ja) 2022-09-15

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Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230816