JPWO2022249915A1 - - Google Patents

Info

Publication number
JPWO2022249915A1
JPWO2022249915A1 JP2023523420A JP2023523420A JPWO2022249915A1 JP WO2022249915 A1 JPWO2022249915 A1 JP WO2022249915A1 JP 2023523420 A JP2023523420 A JP 2023523420A JP 2023523420 A JP2023523420 A JP 2023523420A JP WO2022249915 A1 JPWO2022249915 A1 JP WO2022249915A1
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
JP2023523420A
Other languages
Japanese (ja)
Other versions
JPWO2022249915A5 (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 JPWO2022249915A1 publication Critical patent/JPWO2022249915A1/ja
Publication of JPWO2022249915A5 publication Critical patent/JPWO2022249915A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C30B25/00Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
    • C30B25/02Epitaxial-layer growth
    • C30B25/18Epitaxial-layer growth characterised by the substrate
    • 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
    • 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
    • H10D62/50Physical imperfections
    • H10D62/57Physical imperfections the imperfections being on the surface of the semiconductor body, e.g. the body having a roughened surface
    • 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
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D12/00Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
    • H10D12/411Insulated-gate bipolar transistors [IGBT]
    • H10D12/441Vertical IGBTs
    • H10D12/461Vertical IGBTs having non-planar surfaces, e.g. having trenches, recesses or pillars in the surfaces of the emitter, base or collector regions
    • H10D12/481Vertical IGBTs having non-planar surfaces, e.g. having trenches, recesses or pillars in the surfaces of the emitter, base or collector regions having gate structures on slanted surfaces, on vertical surfaces, or in grooves, e.g. trench gate IGBTs

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
JP2023523420A 2021-05-25 2022-05-16 Pending JPWO2022249915A1 (https=)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021087624 2021-05-25
PCT/JP2022/020370 WO2022249915A1 (ja) 2021-05-25 2022-05-16 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

Publications (2)

Publication Number Publication Date
JPWO2022249915A1 true JPWO2022249915A1 (https=) 2022-12-01
JPWO2022249915A5 JPWO2022249915A5 (https=) 2024-02-28

Family

ID=84230020

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023523420A Pending JPWO2022249915A1 (https=) 2021-05-25 2022-05-16

Country Status (3)

Country Link
US (1) US20240363696A1 (https=)
JP (1) JPWO2022249915A1 (https=)
WO (1) WO2022249915A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12516443B2 (en) * 2021-02-15 2026-01-06 Sumitomo Electric Industries, Ltd. Silicon carbide epitaxial substrate

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017059670A (ja) * 2015-09-16 2017-03-23 ローム株式会社 SiCエピタキシャルウェハ、SiCエピタキシャルウェハの製造装置、SiCエピタキシャルウェハの製造方法、および半導体装置
JP2017076650A (ja) * 2015-10-13 2017-04-20 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
JP2020125241A (ja) * 2015-05-18 2020-08-20 住友電気工業株式会社 炭化珪素エピタキシャル基板、炭化珪素半導体装置の製造方法および炭化珪素半導体装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140054609A1 (en) * 2012-08-26 2014-02-27 Cree, Inc. Large high-quality epitaxial wafers
CN106796886B (zh) * 2014-08-29 2020-05-01 住友电气工业株式会社 碳化硅半导体器件和用于制造碳化硅半导体器件的方法
JP2016127177A (ja) * 2015-01-06 2016-07-11 住友電気工業株式会社 炭化珪素基板、炭化珪素半導体装置および炭化珪素基板の製造方法
DE102019114328B4 (de) * 2018-05-31 2022-03-03 Rohm Co. Ltd Halbleitersubstratstruktur und leistungshalbleitervorrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020125241A (ja) * 2015-05-18 2020-08-20 住友電気工業株式会社 炭化珪素エピタキシャル基板、炭化珪素半導体装置の製造方法および炭化珪素半導体装置
JP2017059670A (ja) * 2015-09-16 2017-03-23 ローム株式会社 SiCエピタキシャルウェハ、SiCエピタキシャルウェハの製造装置、SiCエピタキシャルウェハの製造方法、および半導体装置
JP2017076650A (ja) * 2015-10-13 2017-04-20 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

Also Published As

Publication number Publication date
WO2022249915A1 (ja) 2022-12-01
US20240363696A1 (en) 2024-10-31

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