CN102576666B - SiC外延晶片及其制造方法 - Google Patents

SiC外延晶片及其制造方法 Download PDF

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Publication number
CN102576666B
CN102576666B CN201080037687.6A CN201080037687A CN102576666B CN 102576666 B CN102576666 B CN 102576666B CN 201080037687 A CN201080037687 A CN 201080037687A CN 102576666 B CN102576666 B CN 102576666B
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gas
sic epitaxial
sic
substrate
epitaxial wafer
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CN102576666A (zh
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百瀬賢治
田岛裕
坂口泰之
小田原道哉
宫坂佳彦
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Resonac Holdings Corp
Resonac Corp
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Showa Denko KK
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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
    • 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
    • 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
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/124Shapes, relative sizes or dispositions of the regions of semiconductor bodies or of junctions between the regions
    • 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
    • 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
    • H10D62/80Semiconductor 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
    • H10P14/24Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials using chemical vapour deposition [CVD]
    • 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
    • H10P14/29Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by the substrates
    • H10P14/2901Materials
    • H10P14/2902Materials being Group IVA materials
    • H10P14/2904Silicon 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
    • H10P14/29Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by the substrates
    • H10P14/2926Crystal orientations
    • 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
    • H10P14/34Deposited materials, e.g. layers
    • H10P14/3402Deposited materials, e.g. layers characterised by the chemical composition
    • H10P14/3404Deposited materials, e.g. layers characterised by the chemical composition being Group IVA materials
    • H10P14/3408Silicon 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
    • H10P14/34Deposited materials, e.g. layers
    • H10P14/3451Structure
    • 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
    • H10P14/36Formation 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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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Chemical Vapour Deposition (AREA)
CN201080037687.6A 2009-08-28 2010-08-25 SiC外延晶片及其制造方法 Active CN102576666B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP198872/2009 2009-08-28
JP2009198872A JP4959763B2 (ja) 2009-08-28 2009-08-28 SiCエピタキシャルウェハ及びその製造方法
PCT/JP2010/064375 WO2011024854A1 (ja) 2009-08-28 2010-08-25 SiCエピタキシャルウェハ及びその製造方法

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CN102576666B true CN102576666B (zh) 2015-10-21

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US (2) US8823015B2 (https=)
EP (1) EP2472568B1 (https=)
JP (1) JP4959763B2 (https=)
KR (1) KR101369577B1 (https=)
CN (1) CN102576666B (https=)
WO (1) WO2011024854A1 (https=)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102859654B (zh) * 2010-05-10 2016-01-13 三菱电机株式会社 碳化硅外延晶片及其制造方法、外延生长用碳化硅块状衬底及其制造方法
JPWO2012005142A1 (ja) * 2010-07-09 2013-09-02 旭硝子株式会社 研磨剤および研磨方法
JP5897834B2 (ja) 2011-07-19 2016-03-30 昭和電工株式会社 SiCエピタキシャルウェハの製造方法
JP5999687B2 (ja) * 2011-08-31 2016-09-28 ローム株式会社 SiCエピタキシャルウエハおよびそれを用いたSiC半導体素子
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
DE112012004193T5 (de) 2011-10-07 2014-07-03 Asahi Glass Co., Ltd. Siliziumcarbid-Einkristallsubstrat und Polierlösung
JP5076020B2 (ja) * 2011-10-25 2012-11-21 昭和電工株式会社 SiCエピタキシャルウェハ
WO2013069067A1 (ja) * 2011-11-11 2013-05-16 学校法人関西学院 ナノメーター標準原器及びナノメーター標準原器の製造方法
KR101942536B1 (ko) * 2011-12-19 2019-01-29 엘지이노텍 주식회사 탄화규소 에피 웨이퍼 제조 방법
KR101942514B1 (ko) * 2011-12-16 2019-01-28 엘지이노텍 주식회사 탄화규소 증착 방법 및 탄화규소 에피 웨이퍼
KR101936170B1 (ko) * 2011-12-19 2019-01-08 엘지이노텍 주식회사 탄화규소 에피 웨이퍼 제조 방법
WO2013089463A1 (en) * 2011-12-16 2013-06-20 Lg Innotek Co., Ltd. Method for deposition of silicon carbide and silicon carbide epitaxial wafer
KR101936171B1 (ko) * 2011-12-19 2019-04-04 엘지이노텍 주식회사 탄화규소 에피 웨이퍼 제조 방법 및 탄화규소 에피 웨이퍼
KR20130076365A (ko) * 2011-12-28 2013-07-08 엘지이노텍 주식회사 탄화규소 에피 웨이퍼 제조 방법 및 탄화규소 에피 웨이퍼
JP5400228B1 (ja) 2012-04-27 2014-01-29 三井金属鉱業株式会社 SiC単結晶基板
KR101926694B1 (ko) * 2012-05-30 2018-12-07 엘지이노텍 주식회사 탄화규소 에피 웨이퍼 및 이의 제조 방법
KR101926678B1 (ko) * 2012-05-31 2018-12-11 엘지이노텍 주식회사 탄화규소 에피 웨이퍼 및 이의 제조 방법
JP6037671B2 (ja) 2012-06-19 2016-12-07 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
JP6036200B2 (ja) * 2012-11-13 2016-11-30 富士電機株式会社 炭化珪素半導体装置の製造方法
WO2014077368A1 (ja) * 2012-11-15 2014-05-22 新日鐵住金株式会社 炭化珪素単結晶基板およびその製法
WO2014076831A1 (ja) * 2012-11-19 2014-05-22 株式会社日立製作所 半導体検査装置、及び荷電粒子線を用いた検査方法
JP6123408B2 (ja) 2013-03-26 2017-05-10 三菱電機株式会社 単結晶4H−SiC基板及びその製造方法
JP2014189442A (ja) 2013-03-27 2014-10-06 Sumitomo Electric Ind Ltd 炭化珪素半導体基板の製造方法
JP6112712B2 (ja) * 2013-03-27 2017-04-12 国立研究開発法人産業技術総合研究所 炭化珪素エピタキシャルウエハの製造方法
KR101989255B1 (ko) * 2013-06-04 2019-06-13 쇼와 덴코 가부시키가이샤 에피택셜 탄화규소 웨이퍼용 탄화규소 단결정 기판의 제조 방법
JP6052465B2 (ja) * 2014-02-28 2016-12-27 新日鐵住金株式会社 エピタキシャル炭化珪素ウエハの製造方法
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
WO2015159949A1 (ja) * 2014-04-18 2015-10-22 国立研究開発法人産業技術総合研究所 炭化珪素エピタキシャルウエハおよびその製造方法
CN104018216A (zh) * 2014-06-12 2014-09-03 西安电子科技大学 4H-SiC同质外延生长系统
CN106463364A (zh) * 2014-07-16 2017-02-22 新日铁住金株式会社 外延碳化硅晶片的制造方法
JP5910801B1 (ja) 2014-08-01 2016-04-27 住友電気工業株式会社 エピタキシャルウエハおよびその製造方法
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
WO2016051975A1 (ja) * 2014-10-01 2016-04-07 住友電気工業株式会社 炭化珪素エピタキシャル基板
WO2016051935A1 (ja) * 2014-10-03 2016-04-07 日本碍子株式会社 半導体素子用のエピタキシャル基板およびその製造方法
US10727047B2 (en) 2015-02-18 2020-07-28 Showa Denko K.K. Epitaxial silicon carbide single crystal wafer and process for producing the same
US10066316B2 (en) * 2015-02-18 2018-09-04 Showa Denko K.K. Method for producing silicon carbide single-crystal ingot and silicon carbide single-crystal ingot
CN107407007B (zh) * 2015-03-03 2022-04-26 昭和电工株式会社 SiC外延晶片、SiC外延晶片的制造方法
CN104810248B (zh) * 2015-04-08 2017-08-08 中国电子科技集团公司第五十五研究所 适用于4°和8°偏轴硅面碳化硅衬底的原位处理方法
CN104779141A (zh) * 2015-04-16 2015-07-15 中国科学院半导体研究所 低偏角碳化硅同质外延材料的制作方法
CN106795649B (zh) * 2015-04-17 2019-12-17 富士电机株式会社 半导体的制造方法以及SiC基板
WO2017018533A1 (ja) * 2015-07-29 2017-02-02 新日鐵住金株式会社 エピタキシャル炭化珪素単結晶ウェハの製造方法
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
JP6573514B2 (ja) * 2015-09-17 2019-09-11 昭和電工株式会社 SiC単結晶基板の前処理方法及びエピタキシャルSiCウェハの製造方法
CN108138360B (zh) * 2015-10-07 2020-12-08 住友电气工业株式会社 碳化硅外延基板及用于制造碳化硅半导体装置的方法
DE102016202523A1 (de) * 2016-02-18 2017-08-24 Sicrystal Ag Verfahren zur Reinigung eines einkristallinen SiC-Substrats sowie SiC-Substrat
US11293115B2 (en) 2016-08-31 2022-04-05 Showa Denko K.K. Method for producing a SiC epitaxial wafer containing a total density of large pit defects and triangular defects of 0.01 defects/cm2 or more and 0.6 defects/cm2 or less
JP6493690B2 (ja) * 2016-08-31 2019-04-03 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、並びに、ラージピット欠陥検出方法、欠陥識別方法
WO2018043169A1 (ja) 2016-08-31 2018-03-08 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、並びに、ラージピット欠陥検出方法、欠陥識別方法
JP6832240B2 (ja) * 2017-05-26 2021-02-24 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
JP7125252B2 (ja) * 2017-08-30 2022-08-24 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
KR102381395B1 (ko) 2017-09-18 2022-04-01 한국전기연구원 절연 또는 반절연 6H-SiC 기판에 구현된 SiC 반도체 소자 및 그 제조 방법
JP7694392B2 (ja) * 2019-12-02 2025-06-18 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
KR102399813B1 (ko) * 2019-12-20 2022-05-19 주식회사 포스코 탄화규소 에피 웨이퍼 및 그 제조방법
JP7641072B2 (ja) 2020-03-05 2025-03-06 株式会社プロテリアル SiCウェハおよびその製造方法
IT202000016279A1 (it) * 2020-07-06 2022-01-06 St Microelectronics Srl Procedimento di fabbricazione di un dispositivo semiconduttore in carburo di silicio con migliorate caratteristiche
CN116034485B (zh) * 2020-08-28 2025-10-03 华为技术有限公司 一种衬底及功率放大器件
US20240020814A1 (en) 2020-10-28 2024-01-18 Kwansei Gakuin Educational Foundation Heat treatment environment evaluation method and silicon carbide substrate
US12173428B2 (en) 2022-10-07 2024-12-24 Mainstream Engineering Corporation Controlled surface chemistry for polytypic and microstructural selective growth on hexagonal SiC substrates
CN121237670B (zh) * 2025-12-04 2026-02-06 上海天岳半导体材料有限公司 一种低电阻率碳化硅晶片及位错表征方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1377311A (zh) * 1999-06-24 2002-10-30 高级技术材料公司 在沿<1100>方向切割的基片上生长的碳化硅外延层
JP2005311348A (ja) * 2004-03-26 2005-11-04 Kansai Electric Power Co Inc:The バイポーラ型半導体装置およびその製造方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9806136A (pt) * 1997-08-27 1999-10-26 Matsushita Eletric Industrtial Substrato de carbureto de silìco e método para a produção do substrato, e dispositivo semicondutor utilizand o substrato.
JP4238357B2 (ja) * 2003-08-19 2009-03-18 独立行政法人産業技術総合研究所 炭化珪素エピタキシャルウエハ、同ウエハの製造方法及び同ウエハ上に作製された半導体装置
JP4581081B2 (ja) 2004-03-25 2010-11-17 独立行政法人産業技術総合研究所 エピタキシャルウエハ作製時に用いる炭化珪素平滑化基板の作製方法、炭化珪素基板表面の平滑化及びSiCエピタキシャル成長に用いる装置
WO2005093796A1 (ja) * 2004-03-26 2005-10-06 The Kansai Electric Power Co., Inc. バイポーラ型半導体装置およびその製造方法
JP4694144B2 (ja) * 2004-05-14 2011-06-08 住友電気工業株式会社 SiC単結晶の成長方法およびそれにより成長したSiC単結晶
EP1619276B1 (en) * 2004-07-19 2017-01-11 Norstel AB Homoepitaxial growth of SiC on low off-axis SiC wafers
JP4839646B2 (ja) * 2005-03-18 2011-12-21 住友電気工業株式会社 炭化珪素半導体の製造方法および炭化珪素半導体の製造装置
JP4946202B2 (ja) * 2006-06-26 2012-06-06 日立金属株式会社 炭化珪素半導体エピタキシャル基板の製造方法。
JP2008222509A (ja) * 2007-03-14 2008-09-25 Matsushita Electric Ind Co Ltd SiCエピタキシャル膜付き単結晶基板の製造方法
JP5267773B2 (ja) 2008-02-22 2013-08-21 コニカミノルタアドバンストレイヤー株式会社 撮像レンズ、撮像装置、デジタル機器、及び撮像レンズの製造方法
CN100578737C (zh) * 2008-11-07 2010-01-06 中国电子科技集团公司第五十五研究所 一种制作基本上没有台阶形貌的碳化硅外延层的方法
US20110156058A1 (en) * 2009-02-04 2011-06-30 Hitachi Metals, Ltd. Silicon carbide monocrystal substrate and manufacturing method therefor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1377311A (zh) * 1999-06-24 2002-10-30 高级技术材料公司 在沿<1100>方向切割的基片上生长的碳化硅外延层
JP2005311348A (ja) * 2004-03-26 2005-11-04 Kansai Electric Power Co Inc:The バイポーラ型半導体装置およびその製造方法

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CN102576666A (zh) 2012-07-11
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