JP7549549B2 - 窒化物半導体基板およびその製造方法 - Google Patents

窒化物半導体基板およびその製造方法 Download PDF

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Publication number
JP7549549B2
JP7549549B2 JP2021029830A JP2021029830A JP7549549B2 JP 7549549 B2 JP7549549 B2 JP 7549549B2 JP 2021029830 A JP2021029830 A JP 2021029830A JP 2021029830 A JP2021029830 A JP 2021029830A JP 7549549 B2 JP7549549 B2 JP 7549549B2
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layer
nitride semiconductor
single crystal
semiconductor substrate
silicon single
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JP2022131086A5 (cg-RX-API-DMAC10.html
JP2022131086A (ja
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慶太郎 土屋
偉峰 曲
芳宏 久保田
和寿 永田
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Shin-Etsu Chemical Co Ltd
Shin-Etsu Handotai Co Ltd
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Shin-Etsu Chemical Co Ltd
Shin-Etsu Handotai Co Ltd
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Priority to JP2021029830A priority Critical patent/JP7549549B2/ja
Application filed by Shin-Etsu Chemical Co Ltd, Shin-Etsu Handotai Co Ltd filed Critical Shin-Etsu Chemical Co Ltd
Priority to PCT/JP2022/002747 priority patent/WO2022181163A1/ja
Priority to EP22759205.2A priority patent/EP4299802A4/en
Priority to US18/276,520 priority patent/US20240117525A1/en
Priority to CN202280014723.XA priority patent/CN117015840A/zh
Priority to TW111104226A priority patent/TWI921460B/zh
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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
    • 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
    • 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
    • C30B29/02—Elements
    • C30B29/06—Silicon
    • 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
    • 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
    • C30B29/40—AIIIBV compounds wherein A is B, Al, Ga, In or Tl and B is N, P, As, Sb or Bi
    • C30B29/403—AIII-nitrides
    • C30B29/406—Gallium nitride
    • 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
    • C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
    • C30B33/06—Joining of crystals
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/24—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials using chemical vapour deposition [CVD]
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    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/29—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by the substrates
    • H10P14/2901—Materials
    • H10P14/2907—Materials being Group IIIA-VA materials
    • H10P14/2908—Nitrides
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    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/32—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by intermediate layers between substrates and deposited layers
    • H10P14/3202—Materials thereof
    • H10P14/3204—Materials thereof being Group IVA semiconducting materials
    • H10P14/3208—Silicon carbide
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    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
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    • H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/32—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by intermediate layers between substrates and deposited layers
    • H10P14/3202—Materials thereof
    • H10P14/3204—Materials thereof being Group IVA semiconducting materials
    • H10P14/3211—Silicon, silicon germanium or germanium
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    • H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/32—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by intermediate layers between substrates and deposited layers
    • H10P14/3202—Materials thereof
    • H10P14/3214—Materials thereof being Group IIIA-VA semiconductors
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    • H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/32—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by intermediate layers between substrates and deposited layers
    • H10P14/3202—Materials thereof
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    • H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/32—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by intermediate layers between substrates and deposited layers
    • H10P14/3242—Structure
    • H10P14/3244—Layer structure
    • H10P14/3251—Layer structure consisting of three or more layers
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    • H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/34—Deposited materials, e.g. layers
    • H10P14/3402—Deposited materials, e.g. layers characterised by the chemical composition
    • H10P14/3414—Deposited materials, e.g. layers characterised by the chemical composition being group IIIA-VIA materials
    • H10P14/3416—Nitrides
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    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P90/00—Preparation of wafers not covered by a single main group of this subclass, e.g. wafer reinforcement
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    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00—Field-effect transistors [FET]
    • H10D30/40—FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels
    • H10D30/47—FETs 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]
    • H10D30/471—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT]
    • H10D30/475—High 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
    • H10D30/4755—High 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 having wide bandgap charge-carrier supplying layers, e.g. modulation doped HEMTs such as n-AlGaAs/GaAs HEMTs
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    • H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/29—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by the substrates
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  • Chemical & Material Sciences (AREA)
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  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Recrystallisation Techniques (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Chemical Vapour Deposition (AREA)
  • Junction Field-Effect Transistors (AREA)
JP2021029830A 2021-02-26 2021-02-26 窒化物半導体基板およびその製造方法 Active JP7549549B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2021029830A JP7549549B2 (ja) 2021-02-26 2021-02-26 窒化物半導体基板およびその製造方法
EP22759205.2A EP4299802A4 (en) 2021-02-26 2022-01-26 NITRIDE SEMICONDUCTOR SUBSTRATE AND MANUFACTURING METHOD THEREOF
US18/276,520 US20240117525A1 (en) 2021-02-26 2022-01-26 Nitride semiconductor substrate and method for producing the same
CN202280014723.XA CN117015840A (zh) 2021-02-26 2022-01-26 氮化物半导体基板及其制造方法
PCT/JP2022/002747 WO2022181163A1 (ja) 2021-02-26 2022-01-26 窒化物半導体基板およびその製造方法
TW111104226A TWI921460B (zh) 2021-02-26 2022-02-07 氮化物半導體基板及其製造方法

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JP2022131086A5 JP2022131086A5 (cg-RX-API-DMAC10.html) 2023-08-16
JP7549549B2 true JP7549549B2 (ja) 2024-09-11

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Publication number Priority date Publication date Assignee Title
JP7533793B2 (ja) * 2021-10-15 2024-08-14 信越半導体株式会社 窒化物半導体基板及びその製造方法
JP2025030515A (ja) * 2023-08-23 2025-03-07 信越半導体株式会社 窒化物半導体エピタキシャルウエーハ及び窒化物半導体エピタキシャルウエーハの製造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005203666A (ja) 2004-01-19 2005-07-28 Kansai Electric Power Co Inc:The 化合物半導体デバイスの製造方法
JP2006196713A (ja) 2005-01-13 2006-07-27 National Institute Of Advanced Industrial & Technology 半導体装置及びその作製方法並びに重水素処理装置
JP2012151401A (ja) 2011-01-21 2012-08-09 Sumco Corp 半導体基板及びその製造方法
JP2019523994A (ja) 2016-06-14 2019-08-29 クロミス,インコーポレイテッド 電力およびrf用途用の設計された基板構造
JP2020184616A (ja) 2019-05-03 2020-11-12 世界先進積體電路股▲ふん▼有限公司 基板およびその形成方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08291232A (ja) * 1995-02-22 1996-11-05 Toshiba Ceramics Co Ltd 高熱伝導性シリカフィラー材
JP2007087992A (ja) * 2005-09-20 2007-04-05 Showa Denko Kk 半導体素子および半導体素子製造方法
US9012253B2 (en) * 2009-12-16 2015-04-21 Micron Technology, Inc. Gallium nitride wafer substrate for solid state lighting devices, and associated systems and methods
US10755986B2 (en) * 2016-03-29 2020-08-25 QROMIS, Inc. Aluminum nitride based Silicon-on-Insulator substrate structure
US10297445B2 (en) * 2016-06-14 2019-05-21 QROMIS, Inc. Engineered substrate structure for power and RF applications
US10395965B2 (en) * 2016-08-23 2019-08-27 QROMIS, Inc. Electronic power devices integrated with an engineered substrate
US10355120B2 (en) * 2017-01-18 2019-07-16 QROMIS, Inc. Gallium nitride epitaxial structures for power devices
JP2020098839A (ja) 2018-12-17 2020-06-25 信越半導体株式会社 窒化物半導体ウェーハの製造方法および窒化物半導体ウェーハ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005203666A (ja) 2004-01-19 2005-07-28 Kansai Electric Power Co Inc:The 化合物半導体デバイスの製造方法
JP2006196713A (ja) 2005-01-13 2006-07-27 National Institute Of Advanced Industrial & Technology 半導体装置及びその作製方法並びに重水素処理装置
JP2012151401A (ja) 2011-01-21 2012-08-09 Sumco Corp 半導体基板及びその製造方法
JP2019523994A (ja) 2016-06-14 2019-08-29 クロミス,インコーポレイテッド 電力およびrf用途用の設計された基板構造
JP2020184616A (ja) 2019-05-03 2020-11-12 世界先進積體電路股▲ふん▼有限公司 基板およびその形成方法

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TW202240655A (zh) 2022-10-16
EP4299802A4 (en) 2025-01-15
US20240117525A1 (en) 2024-04-11
JP2022131086A (ja) 2022-09-07
EP4299802A1 (en) 2024-01-03
CN117015840A (zh) 2023-11-07
TWI921460B (zh) 2026-04-11
WO2022181163A1 (ja) 2022-09-01

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