JP6798293B2 - 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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JP6798293B2
JP6798293B2 JP2016238507A JP2016238507A JP6798293B2 JP 6798293 B2 JP6798293 B2 JP 6798293B2 JP 2016238507 A JP2016238507 A JP 2016238507A JP 2016238507 A JP2016238507 A JP 2016238507A JP 6798293 B2 JP6798293 B2 JP 6798293B2
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silicon carbide
main surface
dislocation
epitaxial substrate
single crystal
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JP2017071551A (ja
JP2017071551A5 (enExample
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太郎 西口
太郎 西口
健二 平塚
健二 平塚
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Sumitomo Electric Industries Ltd
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    • 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
    • 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
    • C30B25/186Epitaxial-layer growth characterised by the substrate being specially pre-treated by, e.g. chemical or physical means
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    • 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
    • C30B25/20Epitaxial-layer growth characterised by the substrate the substrate being of the same materials as the epitaxial layer
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02367Substrates
    • H01L21/0237Materials
    • H01L21/02373Group 14 semiconducting materials
    • H01L21/02378Silicon carbide
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    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02367Substrates
    • H01L21/02428Structure
    • H01L21/0243Surface structure
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    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02367Substrates
    • H01L21/02433Crystal orientation
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    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
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    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02518Deposited layers
    • H01L21/02521Materials
    • H01L21/02524Group 14 semiconducting materials
    • H01L21/02529Silicon carbide
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    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02518Deposited layers
    • H01L21/0257Doping during depositing
    • H01L21/02573Conductivity type
    • H01L21/02576N-type
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    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02518Deposited layers
    • H01L21/02609Crystal orientation
    • HELECTRICITY
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    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02612Formation types
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    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/0445Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising crystalline silicon carbide
    • H01L21/0455Making n or p doped regions or layers, e.g. using diffusion
    • H01L21/046Making n or p doped regions or layers, e.g. using diffusion using ion implantation
    • H01L21/047Making n or p doped regions or layers, e.g. using diffusion using ion implantation characterised by the angle between the ion beam and the crystal planes or the main crystal surface

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  • Inorganic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Formation Of Insulating Films (AREA)
  • Recrystallisation Techniques (AREA)
JP2016238507A 2015-10-07 2016-12-08 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 JP6798293B2 (ja)

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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001189692A (ja) * 1999-12-28 2001-07-10 Matsushita Electric Ind Co Ltd 受信装置及び利得制御方法
US20170275779A1 (en) * 2015-10-07 2017-09-28 Sumitomo Electric Industries, Ltd. Silicon carbide epitaxial substrate and method for manufacturing silicon carbide semiconductor device
JP6590116B2 (ja) * 2017-09-08 2019-10-16 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
DE102018106967B3 (de) * 2018-03-23 2019-05-23 Infineon Technologies Ag SILIZIUMCARBID HALBLEITERBAUELEMENT und Halbleiterdiode
US12014924B2 (en) * 2018-07-20 2024-06-18 Sumitomo Electric Industries, Ltd. Silicon carbide epitaxial substrate and method for manufacturing silicon carbide semiconductor device
US11862684B2 (en) * 2019-01-08 2024-01-02 Sumitomo Electric Industries, Ltd. Recycle wafer of silicon carbide and method for manufacturing silicon carbide semiconductor device
JP7393900B2 (ja) * 2019-09-24 2023-12-07 一般財団法人電力中央研究所 炭化珪素単結晶ウェハ及び炭化珪素単結晶インゴットの製造方法
JP7319502B2 (ja) * 2020-01-09 2023-08-02 株式会社東芝 炭化珪素基体の製造方法、半導体装置の製造方法、炭化珪素基体、及び、半導体装置
EP3943645A1 (en) * 2020-07-21 2022-01-26 SiCrystal GmbH Sic crystalline substrates with an optimal orientation of lattice planes for fissure reduction and method of producing same
EP3943644A1 (en) * 2020-07-21 2022-01-26 SiCrystal GmbH Sic crystals with an optimal orientation of lattice planes for fissure reduction and method of producing same

Family Cites Families (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US51301A (en) * 1865-12-05 Improvement in mowing-machines
US93518A (en) * 1869-08-10 Improvement in stuffing-boxes
US53517A (en) * 1866-03-27 Improvement in sealing boxes
US123502A (en) * 1872-02-06 Improvement in hoes
US33503A (en) * 1861-10-15 Improvement in railroad-rails
US71301A (en) * 1867-11-26 Improvement in gang-ploughs
US81910A (en) * 1868-09-08 keltum
US40103A (en) * 1863-09-29 Improvement in quartz-crushers
US5679153A (en) * 1994-11-30 1997-10-21 Cree Research, Inc. Method for reducing micropipe formation in the epitaxial growth of silicon carbide and resulting silicon carbide structures
JP4880164B2 (ja) * 2000-02-15 2012-02-22 ザ フォックス グループ,インコーポレイティド 低欠陥密度炭化ケイ素材料
US6863728B2 (en) * 2001-02-14 2005-03-08 The Fox Group, Inc. Apparatus for growing low defect density silicon carbide
DE10247017B4 (de) * 2001-10-12 2009-06-10 Denso Corp., Kariya-shi SiC-Einkristall, Verfahren zur Herstellung eines SiC-Einkristalls, SiC-Wafer mit einem Epitaxiefilm und Verfahren zur Herstellung eines SiC-Wafers, der einen Epitaxiefilm aufweist
TW200307064A (en) * 2002-03-19 2003-12-01 Central Res Inst Elect Method for preparing SiC crystal with reduced micro-pipes extended from substrate, SiC crystal, SiC monocrystalline film, SiC semiconductor component, SiC monocrystalline substrate and electronic device, and method for producing large SiC crystal
US6869480B1 (en) * 2002-07-17 2005-03-22 The United States Of America As Represented By The United States National Aeronautics And Space Administration Method for the production of nanometer scale step height reference specimens
JP3764462B2 (ja) * 2003-04-10 2006-04-05 株式会社豊田中央研究所 炭化ケイ素単結晶の製造方法
US7230274B2 (en) * 2004-03-01 2007-06-12 Cree, Inc Reduction of carrot defects in silicon carbide epitaxy
US20070290211A1 (en) * 2004-03-26 2007-12-20 The Kansai Electric Power Co., Inc. Bipolar Semiconductor Device and Process for Producing the Same
DE102005017814B4 (de) * 2004-04-19 2016-08-11 Denso Corporation Siliziumkarbid-Halbleiterbauelement und Verfahren zu dessen Herstellung
EP1619276B1 (en) * 2004-07-19 2017-01-11 Norstel AB Homoepitaxial growth of SiC on low off-axis SiC wafers
US7314520B2 (en) * 2004-10-04 2008-01-01 Cree, Inc. Low 1c screw dislocation 3 inch silicon carbide wafer
EP1933386B1 (en) * 2005-09-14 2012-11-07 Central Research Institute of Electric Power Industry Process for producing silicon carbide semiconductor device
JP5070691B2 (ja) * 2005-10-03 2012-11-14 住友電気工業株式会社 炭化珪素基板および縦型半導体装置
US8455269B2 (en) * 2006-08-04 2013-06-04 Central Research Institute Of Electric Power Industry Method for recovering an on-state forward voltage and, shrinking stacking faults in bipolar semiconductor devices, and the bipolar semiconductor devices
TWI408262B (zh) * 2007-09-12 2013-09-11 Showa Denko Kk 磊晶SiC單晶基板及磊晶SiC單晶基板之製造方法
WO2009048997A1 (en) * 2007-10-12 2009-04-16 The Government Of The United States Of America, As Represented By The Secretary Of The Navy Producing epitaxial layers with low basal plane dislocation concentrations
JP5504597B2 (ja) * 2007-12-11 2014-05-28 住友電気工業株式会社 炭化ケイ素半導体装置およびその製造方法
JP2010184833A (ja) * 2009-02-12 2010-08-26 Denso Corp 炭化珪素単結晶基板および炭化珪素単結晶エピタキシャルウェハ
JP4978637B2 (ja) * 2009-02-12 2012-07-18 株式会社デンソー 炭化珪素単結晶の製造方法
CN102422402A (zh) * 2009-05-11 2012-04-18 住友电气工业株式会社 半导体器件
US9464366B2 (en) * 2009-08-20 2016-10-11 The United States Of America, As Represented By The Secretary Of The Navy Reduction of basal plane dislocations in epitaxial SiC
US10256094B2 (en) * 2009-08-20 2019-04-09 The Government Of The United States Of America, As Represented By The Secretary Of The Navy Reduction of basal plane dislocations in epitaxial SiC using an in-situ etch process
US10256090B2 (en) * 2009-08-20 2019-04-09 The United States Of America, As Represented By The Secretary Of The Navy Reduction of basal plane dislocations in epitaxial SiC using an in-situ etch process
JP4959763B2 (ja) * 2009-08-28 2012-06-27 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
JP4887418B2 (ja) * 2009-12-14 2012-02-29 昭和電工株式会社 SiCエピタキシャルウェハの製造方法
JP4850960B2 (ja) * 2010-04-07 2012-01-11 新日本製鐵株式会社 エピタキシャル炭化珪素単結晶基板の製造方法
JP5598542B2 (ja) * 2010-05-10 2014-10-01 三菱電機株式会社 炭化珪素エピタキシャルウエハ及びその製造方法並びにエピタキシャル成長用炭化珪素バルク基板及びその製造方法
JP4880052B2 (ja) * 2010-05-11 2012-02-22 新日本製鐵株式会社 エピタキシャル炭化珪素単結晶基板及びその製造方法
JP5276068B2 (ja) * 2010-08-26 2013-08-28 株式会社豊田中央研究所 SiC単結晶の製造方法
SE1051137A1 (sv) * 2010-10-29 2012-04-30 Fairchild Semiconductor Förfarande för tillverkning av en kiselkarbid bipolär transistor och kiselkarbid bipolär transistor därav
FR2969815B1 (fr) * 2010-12-27 2013-11-22 Soitec Silicon On Insulator Tech Procédé de fabrication d'un dispositif semi-conducteur
KR101494122B1 (ko) * 2011-04-21 2015-02-16 신닛테츠스미킨 카부시키카이샤 에피택셜 탄화 규소 단결정 기판 및 그 제조 방법
JP6025306B2 (ja) * 2011-05-16 2016-11-16 株式会社豊田中央研究所 SiC単結晶、SiCウェハ及び半導体デバイス
JP5958949B2 (ja) * 2011-05-26 2016-08-02 一般財団法人電力中央研究所 炭化珪素基板、炭化珪素ウェハ、炭化珪素ウェハの製造方法及び炭化珪素半導体素子
KR101530057B1 (ko) * 2011-08-29 2015-06-18 신닛테츠스미킨 카부시키카이샤 탄화규소 단결정 기판 및 그 제조 방법
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
US9885124B2 (en) * 2011-11-23 2018-02-06 University Of South Carolina Method of growing high quality, thick SiC epitaxial films by eliminating silicon gas phase nucleation and suppressing parasitic deposition
JP5750363B2 (ja) * 2011-12-02 2015-07-22 株式会社豊田中央研究所 SiC単結晶、SiCウェハ及び半導体デバイス
US8860040B2 (en) * 2012-09-11 2014-10-14 Dow Corning Corporation High voltage power semiconductor devices on SiC
JP2014146748A (ja) * 2013-01-30 2014-08-14 Toshiba Corp 半導体装置及びその製造方法並びに半導体基板
JP6090998B2 (ja) * 2013-01-31 2017-03-08 一般財団法人電力中央研究所 六方晶単結晶の製造方法、六方晶単結晶ウエハの製造方法
JP2014175412A (ja) * 2013-03-07 2014-09-22 Toshiba Corp 半導体基板及び半導体装置
US8940614B2 (en) * 2013-03-15 2015-01-27 Dow Corning Corporation SiC substrate with SiC epitaxial film
CN103280502B (zh) * 2013-05-23 2016-12-28 安徽三安光电有限公司 发光器件及其制作方法
JP6183010B2 (ja) * 2013-07-03 2017-08-23 住友電気工業株式会社 炭化珪素単結晶基板およびその製造方法
JP6311384B2 (ja) * 2014-03-24 2018-04-18 三菱電機株式会社 炭化珪素半導体装置の製造方法
JP2015199565A (ja) 2014-04-07 2015-11-12 株式会社小森コーポレーション シート検出装置
US9425262B2 (en) * 2014-05-29 2016-08-23 Fairchild Semiconductor Corporation Configuration of portions of a power device within a silicon carbide crystal
JP2016166112A (ja) * 2015-03-10 2016-09-15 株式会社東芝 半導体基板及び半導体装置
JP6584253B2 (ja) * 2015-09-16 2019-10-02 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
US20170275779A1 (en) 2015-10-07 2017-09-28 Sumitomo Electric Industries, Ltd. Silicon carbide epitaxial substrate and method for manufacturing silicon carbide semiconductor device

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JP2017071551A (ja) 2017-04-13
WO2017061154A1 (ja) 2017-04-13
CN108138360B (zh) 2020-12-08
DE112016004600T5 (de) 2018-06-21
CN108138360A (zh) 2018-06-08
DE112016004600B4 (de) 2025-10-23
JP2021035905A (ja) 2021-03-04
JP7052851B2 (ja) 2022-04-12
US20170275779A1 (en) 2017-09-28

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