JP4735949B2 - Iii−v族窒化物半導体結晶の製造方法およびiii−v族窒化物半導体基板の製造方法 - Google Patents
Iii−v族窒化物半導体結晶の製造方法およびiii−v族窒化物半導体基板の製造方法Info
- Publication number
- JP4735949B2 JP4735949B2 JP2005112767A JP2005112767A JP4735949B2 JP 4735949 B2 JP4735949 B2 JP 4735949B2 JP 2005112767 A JP2005112767 A JP 2005112767A JP 2005112767 A JP2005112767 A JP 2005112767A JP 4735949 B2 JP4735949 B2 JP 4735949B2
- Authority
- JP
- Japan
- Prior art keywords
- group iii
- nitride semiconductor
- semiconductor crystal
- substrate
- crystal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/02387—Group 13/15 materials
- H01L21/02389—Nitrides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/02433—Crystal orientation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02439—Materials
- H01L21/02455—Group 13/15 materials
- H01L21/02458—Nitrides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02538—Group 13/15 materials
- H01L21/0254—Nitrides
Landscapes
- 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)
Description
2 バルク状結晶(第一のIII−V族窒化物系半導体結晶)
3 切断面
4 短冊状のウェハ
5 バルク状結晶(第二のIII−V族窒化物系半導体結晶)
6 GaN基板
7 インゴット
8 GaN基板
9 種結晶(第一の半導体結晶基板)
10 バルク状結晶(第一のIII−V族窒化物系半導体結晶)
11 切断面
12 短冊状のウェハ
13 ストライプマスク
13a 窓
13b マスク
14 バルク状結晶(第二のIII−V族窒化物系半導体結晶)
15 GaN基板
16 インゴット
17 GaN基板
Claims (5)
- 工程1として、c面サファイア基板上にボイドを有する半導体層を介して成長させた、表面がc面である第一の半導体結晶基板を準備し、
工程2として、前記第一の半導体結晶基板上に、c軸方向に第一のIII−V族窒化物系
半導体結晶を第一の厚さまで成長させ、
工程3として、前記第一のIII−V族窒化物系半導体結晶を、その内部に存在する最も
密度の高い貫通転位の伝播方向に対して平行な(1−101)面およびこれと等価な面である6面のうち、いずれか一つの面に平行な面を切断面として切断し、
工程4として、前記第一のIII−V族窒化物系半導体結晶の前記切断面上に第二のIII−V族窒化物系半導体結晶を第二の厚さまで成長させ、
前記工程のうちIII−V族窒化物系半導体結晶を成長させる各工程の少なくとも1つの
工程において、開口部を有するマスク層を用いELO成長によりIII−V族窒化物系半導
体結晶を成長させ、
前記第二のIII−V族窒化物系半導体結晶を目的のIII−V族窒化物系半導体結晶とすることを特徴とするIII−V族窒化物系半導体結晶の製造方法。 - 前記工程4の後に、前記工程3から前記工程4までの工程と同様の工程を少なくとも1回以上さらに繰り返して行い、この繰り返し工程における前記工程3では、(1−101)面およびこれと等価な面である6面に平行な面のうち、既に切断した前記切断面とは異なる面で切断し、
最後に成長させたIII−V族窒化物系半導体結晶を目的のIII−V族窒化物系半導体結晶とすることを特徴とする請求項1に記載のIII−V族窒化物系半導体結晶の製造方法。 - 前記第一の半導体結晶基板は、前記第一のIII−V族窒化物系半導体結晶と組成が同じ
種結晶基板であることを特徴とする請求項1又は2に記載のIII−V族窒化物系半導体結
晶の製造方法。 - 前記各工程で成長させるIII−V族窒化物系半導体結晶の組成がIn x Al y Ga 1−
x−y N(x≧0、y≧0、x+y≦1)であることを特徴とする請求項1から3のいずれかに記載のIII−V族窒化物系半導体結晶の製造方法。 - 請求項1から4のいずれかに記載の最後に成長させる前記III−V族窒化物系半導体結
晶をインゴットとして成長させ、当該インゴットをスライスして複数枚の基板とし、当該基板の表面を研磨してIII−V族窒化物系半導体基板とすることを特徴とするIII−V族窒化物系半導体基板の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005112767A JP4735949B2 (ja) | 2005-04-08 | 2005-04-08 | Iii−v族窒化物半導体結晶の製造方法およびiii−v族窒化物半導体基板の製造方法 |
US11/182,074 US20060228870A1 (en) | 2005-04-08 | 2005-07-15 | Method of making group III-V nitride-based semiconductor crystal |
Applications Claiming Priority (1)
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---|---|---|---|
JP2005112767A JP4735949B2 (ja) | 2005-04-08 | 2005-04-08 | Iii−v族窒化物半導体結晶の製造方法およびiii−v族窒化物半導体基板の製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP2006290671A JP2006290671A (ja) | 2006-10-26 |
JP4735949B2 true JP4735949B2 (ja) | 2011-07-27 |
Family
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Family Applications (1)
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JP2005112767A Expired - Fee Related JP4735949B2 (ja) | 2005-04-08 | 2005-04-08 | Iii−v族窒化物半導体結晶の製造方法およびiii−v族窒化物半導体基板の製造方法 |
Country Status (2)
Country | Link |
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US (1) | US20060228870A1 (ja) |
JP (1) | JP4735949B2 (ja) |
Families Citing this family (41)
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JP4862442B2 (ja) * | 2006-03-15 | 2012-01-25 | 日立電線株式会社 | Iii−v族窒化物系半導体基板の製造方法及びiii−v族窒化物系デバイスの製造方法 |
US8458262B2 (en) * | 2006-12-22 | 2013-06-04 | At&T Mobility Ii Llc | Filtering spam messages across a communication network |
JP5125098B2 (ja) * | 2006-12-26 | 2013-01-23 | 信越半導体株式会社 | 窒化物半導体自立基板の製造方法 |
KR101488545B1 (ko) * | 2007-05-17 | 2015-02-02 | 미쓰비시 가가꾸 가부시키가이샤 | Iii 족 질화물 반도체 결정의 제조 방법, iii 족 질화물 반도체 기판 및 반도체 발광 디바이스 |
JP2009143778A (ja) * | 2007-12-17 | 2009-07-02 | Sumitomo Metal Mining Co Ltd | 窒化アルミニウム結晶の成長方法と窒化アルミニウム基板および半導体デバイス |
KR20100134577A (ko) * | 2008-03-03 | 2010-12-23 | 미쓰비시 가가꾸 가부시키가이샤 | 질화물 반도체 결정과 그 제조 방법 |
US8871024B2 (en) | 2008-06-05 | 2014-10-28 | Soraa, Inc. | High pressure apparatus and method for nitride crystal growth |
US8097081B2 (en) * | 2008-06-05 | 2012-01-17 | Soraa, Inc. | High pressure apparatus and method for nitride crystal growth |
US9157167B1 (en) | 2008-06-05 | 2015-10-13 | Soraa, Inc. | High pressure apparatus and method for nitride crystal growth |
US8303710B2 (en) | 2008-06-18 | 2012-11-06 | Soraa, Inc. | High pressure apparatus and method for nitride crystal growth |
US8284810B1 (en) | 2008-08-04 | 2012-10-09 | Soraa, Inc. | Solid state laser device using a selected crystal orientation in non-polar or semi-polar GaN containing materials and methods |
US8124996B2 (en) | 2008-08-04 | 2012-02-28 | Soraa, Inc. | White light devices using non-polar or semipolar gallium containing materials and phosphors |
US10036099B2 (en) | 2008-08-07 | 2018-07-31 | Slt Technologies, Inc. | Process for large-scale ammonothermal manufacturing of gallium nitride boules |
US8430958B2 (en) | 2008-08-07 | 2013-04-30 | Soraa, Inc. | Apparatus and method for seed crystal utilization in large-scale manufacturing of gallium nitride |
US8323405B2 (en) | 2008-08-07 | 2012-12-04 | Soraa, Inc. | Process and apparatus for growing a crystalline gallium-containing nitride using an azide mineralizer |
US8021481B2 (en) * | 2008-08-07 | 2011-09-20 | Soraa, Inc. | Process and apparatus for large-scale manufacturing of bulk monocrystalline gallium-containing nitride |
US8979999B2 (en) | 2008-08-07 | 2015-03-17 | Soraa, Inc. | Process for large-scale ammonothermal manufacturing of gallium nitride boules |
US8148801B2 (en) * | 2008-08-25 | 2012-04-03 | Soraa, Inc. | Nitride crystal with removable surface layer and methods of manufacture |
US8354679B1 (en) | 2008-10-02 | 2013-01-15 | Soraa, Inc. | Microcavity light emitting diode method of manufacture |
US8455894B1 (en) | 2008-10-17 | 2013-06-04 | Soraa, Inc. | Photonic-crystal light emitting diode and method of manufacture |
US8461071B2 (en) | 2008-12-12 | 2013-06-11 | Soraa, Inc. | Polycrystalline group III metal nitride with getter and method of making |
US9543392B1 (en) | 2008-12-12 | 2017-01-10 | Soraa, Inc. | Transparent group III metal nitride and method of manufacture |
US8878230B2 (en) | 2010-03-11 | 2014-11-04 | Soraa, Inc. | Semi-insulating group III metal nitride and method of manufacture |
US8987156B2 (en) | 2008-12-12 | 2015-03-24 | Soraa, Inc. | Polycrystalline group III metal nitride with getter and method of making |
USRE47114E1 (en) | 2008-12-12 | 2018-11-06 | Slt Technologies, Inc. | Polycrystalline group III metal nitride with getter and method of making |
JP5607548B2 (ja) * | 2009-01-21 | 2014-10-15 | 日本碍子株式会社 | 3b族窒化物結晶板製造装置 |
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US8306081B1 (en) | 2009-05-27 | 2012-11-06 | Soraa, Inc. | High indium containing InGaN substrates for long wavelength optical devices |
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US9564320B2 (en) | 2010-06-18 | 2017-02-07 | Soraa, Inc. | Large area nitride crystal and method for making it |
US8729559B2 (en) | 2010-10-13 | 2014-05-20 | Soraa, Inc. | Method of making bulk InGaN substrates and devices thereon |
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US8482104B2 (en) | 2012-01-09 | 2013-07-09 | Soraa, Inc. | Method for growth of indium-containing nitride films |
JP6030762B2 (ja) * | 2013-12-05 | 2016-11-24 | 日本碍子株式会社 | 窒化ガリウム基板および機能素子 |
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JP2020186153A (ja) * | 2019-05-15 | 2020-11-19 | トヨタ自動車株式会社 | 半導体層の成長方法、半導体装置の製造方法、及び、バルク結晶の製造方法 |
WO2021162727A1 (en) | 2020-02-11 | 2021-08-19 | SLT Technologies, Inc | Improved group iii nitride substrate, method of making, and method of use |
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 |
US12091771B2 (en) | 2020-02-11 | 2024-09-17 | Slt Technologies, Inc. | Large area group III nitride crystals and substrates, methods of making, and methods of use |
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2005
- 2005-04-08 JP JP2005112767A patent/JP4735949B2/ja not_active Expired - Fee Related
- 2005-07-15 US US11/182,074 patent/US20060228870A1/en not_active Abandoned
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JP2002029897A (ja) * | 2000-07-10 | 2002-01-29 | Sumitomo Electric Ind Ltd | 単結晶GaN基板の製造方法と単結晶GaN基板 |
JP2003178984A (ja) * | 2001-03-27 | 2003-06-27 | Nec Corp | Iii族窒化物半導体基板およびその製造方法 |
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