JP7632313B2 - 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 - Google Patents

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 Download PDF

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JP7632313B2
JP7632313B2 JP2021574657A JP2021574657A JP7632313B2 JP 7632313 B2 JP7632313 B2 JP 7632313B2 JP 2021574657 A JP2021574657 A JP 2021574657A JP 2021574657 A JP2021574657 A JP 2021574657A JP 7632313 B2 JP7632313 B2 JP 7632313B2
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silicon carbide
main surface
carbide epitaxial
substrate
areal density
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洋典 伊東
太郎 西口
隆 櫻田
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Sumitomo Electric Industries Ltd
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    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-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
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/36—Carbides
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-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
    • C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
    • C30B25/02—Epitaxial-layer growth
    • C30B25/18—Epitaxial-layer growth characterised by the substrate
    • C30B25/186—Epitaxial-layer growth characterised by the substrate being specially pre-treated by, e.g. chemical or physical means
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    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00—Field-effect transistors [FET]
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    • H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
    • H10D30/028—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs
    • H10D30/0291—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of vertical DMOS [VDMOS] FETs
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    • H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
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    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
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    • H10D62/83—Semiconductor 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
    • H10D62/832—Semiconductor 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
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    • H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
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    • H10P14/29—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by the substrates
    • H10P14/2901—Materials
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    • H10P14/34—Deposited materials, e.g. layers
    • H10P14/3402—Deposited materials, e.g. layers characterised by the chemical composition
    • H10P14/3404—Deposited materials, e.g. layers characterised by the chemical composition being Group IVA materials
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    • H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/36—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by treatments done before the formation of the materials
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    • C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
    • C30B25/02—Epitaxial-layer growth
    • C30B25/18—Epitaxial-layer growth characterised by the substrate
    • C30B25/20—Epitaxial-layer growth characterised by the substrate the substrate being of the same materials as the epitaxial layer
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    • H10D12/01—Manufacture or treatment
    • H10D12/031—Manufacture or treatment of IGBTs
    • H10D12/032—Manufacture or treatment of IGBTs of vertical IGBTs
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    • H10D12/441—Vertical IGBTs

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  • 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)
JP2021574657A 2020-01-29 2021-01-19 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 Active JP7632313B2 (ja)

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JP2020012522 2020-01-29
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PCT/JP2021/001693 WO2021153351A1 (ja) 2020-01-29 2021-01-19 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

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JP7632313B2 true JP7632313B2 (ja) 2025-02-19

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KR102564487B1 (ko) * 2021-10-08 2023-08-07 주식회사 에타맥스 단일 입사광 기반 광루미네선스를 이용한 실리콘카바이드 기판의 결함분류 장비 및 그를 이용한 결함분류 방법
JP2025072804A (ja) * 2023-10-25 2025-05-12 株式会社レゾナック ＳｉＣエピタキシャルウェハ

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009035095A1 (ja) 2007-09-12 2009-03-19 Showa Denko K.K. エピタキシャルＳｉＣ単結晶基板及びエピタキシャルＳｉＣ単結晶基板の製造方法
JP2017108179A (ja) 2017-03-08 2017-06-15 住友電気工業株式会社 炭化珪素単結晶基板、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
JP2018162178A (ja) 2017-03-24 2018-10-18 昭和電工株式会社 炭化珪素のエピタキシャル成長方法

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JP4964672B2 (ja) * 2007-05-23 2012-07-04 新日本製鐵株式会社 低抵抗率炭化珪素単結晶基板
US7915143B2 (en) * 2008-04-30 2011-03-29 The United States Of America As Represented By The Secretary Of The Navy Method of mediating forward voltage drift in a SiC device
JP5304713B2 (ja) * 2010-04-07 2013-10-02 新日鐵住金株式会社 炭化珪素単結晶基板、炭化珪素エピタキシャルウェハ、及び薄膜エピタキシャルウェハ
JP5961357B2 (ja) * 2011-09-09 2016-08-02 昭和電工株式会社 ＳｉＣエピタキシャルウェハ及びその製造方法
JP6244826B2 (ja) * 2013-11-01 2017-12-13 住友金属鉱山株式会社 炭化珪素基板、炭化珪素基板製造方法、半導体素子
JP2016132604A (ja) * 2015-01-21 2016-07-25 住友電気工業株式会社 炭化珪素基板および炭化珪素基板の製造方法
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
JP6757955B2 (ja) * 2016-09-26 2020-09-23 国立研究開発法人産業技術総合研究所 ｎ型ＳｉＣ単結晶基板及びその製造方法、並びにＳｉＣエピタキシャルウェハ
JP7415558B2 (ja) * 2017-09-01 2024-01-17 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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009035095A1 (ja) 2007-09-12 2009-03-19 Showa Denko K.K. エピタキシャルＳｉＣ単結晶基板及びエピタキシャルＳｉＣ単結晶基板の製造方法
JP2017108179A (ja) 2017-03-08 2017-06-15 住友電気工業株式会社 炭化珪素単結晶基板、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
JP2018162178A (ja) 2017-03-24 2018-10-18 昭和電工株式会社 炭化珪素のエピタキシャル成長方法

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CN115003866B (zh) 2024-05-03
WO2021153351A1 (ja) 2021-08-05
CN115003866A (zh) 2022-09-02

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