KR102826740B1 - GaN 기판 웨이퍼 및 그 제조 방법 - Google Patents

GaN 기판 웨이퍼 및 그 제조 방법 Download PDF

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KR102826740B1
KR102826740B1 KR1020217039706A KR20217039706A KR102826740B1 KR 102826740 B1 KR102826740 B1 KR 102826740B1 KR 1020217039706 A KR1020217039706 A KR 1020217039706A KR 20217039706 A KR20217039706 A KR 20217039706A KR 102826740 B1 KR102826740 B1 KR 102826740B1
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KR20220012864A (ko
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겐지 이소
유우키 에나츠
겐지 시모야마
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미쯔비시 케미컬 주식회사
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    • C30CRYSTAL GROWTH
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    • C30B29/00Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10Inorganic compounds or compositions
    • C30B29/38Nitrides
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    • C30B29/00Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10Inorganic compounds or compositions
    • C30B29/40AIIIBV compounds wherein A is B, Al, Ga, In or Tl and B is N, P, As, Sb or Bi
    • C30B29/403AIII-nitrides
    • C30B29/406Gallium nitride
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    • C30B25/00Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
    • C30B25/02Epitaxial-layer growth
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    • C30B7/00Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions
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    • C30B7/00Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions
    • C30B7/10Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions by application of pressure, e.g. hydrothermal processes
    • C30B7/105Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions by application of pressure, e.g. hydrothermal processes using ammonia as solvent, i.e. ammonothermal processes
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    • H10P14/32Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by intermediate layers between substrates and deposited layers
    • H10P14/3202Materials thereof
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    • H10D30/40FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels
    • H10D30/47FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels having two-dimensional [2D] charge carrier gas channels, e.g. nanoribbon FETs or high electron mobility transistors [HEMT]
    • H10D30/471High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT]
    • H10D30/475High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] having wider bandgap layer formed on top of lower bandgap active layer, e.g. undoped barrier HEMTs such as i-AlGaN/GaN HEMTs
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  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
KR1020217039706A 2019-05-30 2020-05-28 GaN 기판 웨이퍼 및 그 제조 방법 Active KR102826740B1 (ko)

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JP2019101183 2019-05-30
JPJP-P-2019-101183 2019-05-30
JP2019113569 2019-06-19
JPJP-P-2019-113569 2019-06-19
PCT/JP2020/021132 WO2020241760A1 (ja) 2019-05-30 2020-05-28 GaN基板ウエハおよびその製造方法

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KR102826740B1 true KR102826740B1 (ko) 2025-06-27

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EP (1) EP3978656A4 (https=)
JP (1) JP7632281B2 (https=)
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Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
JP7719002B2 (ja) * 2022-01-28 2025-08-05 住友化学株式会社 半導体積層物、および半導体積層物の製造方法
JP2025019751A (ja) * 2023-07-28 2025-02-07 国立大学法人東海国立大学機構 窒化ガリウムの製造方法、窒化ガリウムの気相成長装置および窒化ガリウム基板

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009269816A (ja) * 2006-03-13 2009-11-19 Tohoku Univ 窒化ガリウム系材料及びその製造方法
JP2016533028A (ja) * 2013-07-11 2016-10-20 シックスポイント マテリアルズ, インコーポレイテッド Iii族窒化物半導体を用いた電子デバイスおよびその製造方法、および該電子デバイスを製作するためのエピタキシャル多層ウエハ
JP2017019709A (ja) * 2014-12-16 2017-01-26 三菱化学株式会社 GaN基板

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4720441B2 (ja) * 2005-11-02 2011-07-13 日立電線株式会社 青色発光ダイオード用GaN基板
JP4187175B2 (ja) 2006-03-13 2008-11-26 国立大学法人東北大学 窒化ガリウム系材料の製造方法
US9466481B2 (en) * 2006-04-07 2016-10-11 Sixpoint Materials, Inc. Electronic device and epitaxial multilayer wafer of group III nitride semiconductor having specified dislocation density, oxygen/electron concentration, and active layer thickness
JP2014062023A (ja) * 2011-10-28 2014-04-10 Mitsubishi Chemicals Corp 窒化物結晶の製造方法
EP3312310B1 (en) 2011-10-28 2021-12-15 Mitsubishi Chemical Corporation Gallium nitride crystal
JP2014118323A (ja) * 2012-12-17 2014-06-30 Mitsubishi Chemicals Corp 周期表第13族金属窒化物半導体結晶の製造方法及び周期表第13族金属窒化物半導体結晶
DE112015006059T5 (de) * 2015-01-27 2017-10-12 Mitsubishi Electric Corporation Halbleitervorrichtung
JP6578570B2 (ja) 2015-03-03 2019-09-25 国立大学法人大阪大学 Iii族窒化物半導体結晶基板の製造方法
WO2018030312A1 (ja) 2016-08-08 2018-02-15 三菱ケミカル株式会社 GaN結晶成長方法およびC面GaN基板
JP6776711B2 (ja) * 2016-08-08 2020-10-28 三菱ケミカル株式会社 GaN単結晶およびGaN単結晶製造方法
US10648102B2 (en) * 2017-01-09 2020-05-12 Slt Technologies, Inc. Oxygen-doped group III metal nitride and method of manufacture
JP6824829B2 (ja) * 2017-06-15 2021-02-03 株式会社サイオクス 窒化物半導体積層物の製造方法、窒化物半導体自立基板の製造方法および半導体装置の製造方法
JP6428900B1 (ja) * 2017-11-29 2018-11-28 富士電機株式会社 ダイオード素子およびダイオード素子の製造方法
US11721549B2 (en) * 2020-02-11 2023-08-08 Slt Technologies, Inc. Large area group III nitride crystals and substrates, methods of making, and methods of use

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009269816A (ja) * 2006-03-13 2009-11-19 Tohoku Univ 窒化ガリウム系材料及びその製造方法
JP2016533028A (ja) * 2013-07-11 2016-10-20 シックスポイント マテリアルズ, インコーポレイテッド Iii族窒化物半導体を用いた電子デバイスおよびその製造方法、および該電子デバイスを製作するためのエピタキシャル多層ウエハ
JP2017019709A (ja) * 2014-12-16 2017-01-26 三菱化学株式会社 GaN基板

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CN113906169A (zh) 2022-01-07
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EP3978656A1 (en) 2022-04-06
US12288686B2 (en) 2025-04-29
JP7632281B2 (ja) 2025-02-19
EP3978656A4 (en) 2022-08-10
KR20220012864A (ko) 2022-02-04
US20220084819A1 (en) 2022-03-17
WO2020241760A1 (ja) 2020-12-03

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