JP6636330B2 - バッファ薄層を伴うiii−v族基板材料及び製造方法 - Google Patents
バッファ薄層を伴うiii−v族基板材料及び製造方法 Download PDFInfo
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- 239000000758 substrate Substances 0.000 title claims description 472
- 239000000463 material Substances 0.000 title claims description 82
- 238000004519 manufacturing process Methods 0.000 title description 72
- 238000000034 method Methods 0.000 title description 54
- 230000005693 optoelectronics Effects 0.000 claims description 46
- 239000013078 crystal Substances 0.000 claims description 45
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 43
- 229910002601 GaN Inorganic materials 0.000 claims description 37
- 239000004065 semiconductor Substances 0.000 description 28
- 230000015572 biosynthetic process Effects 0.000 description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 18
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 13
- 229910052733 gallium Inorganic materials 0.000 description 13
- 230000008569 process Effects 0.000 description 10
- 230000008859 change Effects 0.000 description 9
- 238000000151 deposition Methods 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 239000000376 reactant Substances 0.000 description 9
- 238000002441 X-ray diffraction Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 230000008021 deposition Effects 0.000 description 6
- 229910052738 indium Inorganic materials 0.000 description 6
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 6
- 229910052594 sapphire Inorganic materials 0.000 description 6
- 239000010980 sapphire Substances 0.000 description 6
- 239000002178 crystalline material Substances 0.000 description 5
- 150000004767 nitrides Chemical class 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 3
- 238000010494 dissociation reaction Methods 0.000 description 3
- 230000005593 dissociations Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000005424 photoluminescence Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001739 density measurement Methods 0.000 description 2
- 238000007730 finishing process Methods 0.000 description 2
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004377 microelectronic Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910001199 N alloy Inorganic materials 0.000 description 1
- 238000000333 X-ray scattering Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005136 cathodoluminescence Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000000407 epitaxy Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- UPWPDUACHOATKO-UHFFFAOYSA-K gallium trichloride Chemical compound Cl[Ga](Cl)Cl UPWPDUACHOATKO-UHFFFAOYSA-K 0.000 description 1
- 229910021478 group 5 element Inorganic materials 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 150000002835 noble gases Chemical class 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
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- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
- H01L33/32—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen
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- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
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- 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
- C30B25/183—Epitaxial-layer growth characterised by the substrate being provided with a buffer layer, e.g. a lattice matching layer
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- 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
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- 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
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- 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
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- Crystals, And After-Treatments Of Crystals (AREA)
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Description
Claims (12)
- 基板構造体において、
上面を有するIII−V族材料を含んでなる基板本体であって、台地部と蹴込み部とが配置された前記上面を有する基板本体と、
前記基板本体の上面に隣接し、III−V族材料を含んでなり、少なくとも0.1μmから0.8μm以下の範囲内の平均厚さを有するバッファ層であって、該バッファ層の上面の台地部と蹴込み部が前記基板本体の前記上面よりも均一に配置されてなるバッファ層とを有する基板と、
前記基板の前記バッファ層上に配置された複数の光電子デバイスとを含んでなり、
前記複数の光電子デバイスが、前記基板の表面積について正規化した発光波長標準偏差として定義される正規化発光波長標準偏差(nσ)であって、400〜550nmの範囲内の波長で0.0641nm/cm2以下の正規化発光波長標準偏差(nσ)を有することを特徴とする、基板構造体。 - 前記基板が少なくとも2インチ(5.1cm)の直径を有する、請求項1に記載の基板構造体。
- 発光波長標準偏差(σ)が1.3nm以下である、請求項2に記載の基板構造体。
- 前記基板が、少なくとも20.2cm2から730.6cm2以下の範囲内の表面積を有する、請求項1に記載の基板構造体。
- 前記バッファ層が少なくとも0.2μmから0.7μm以下の範囲内の平均厚さを有する、請求項1に記載の基板構造体。
- 前記基板が前記上面と結晶基準面との間で規定されるオフカット角度(α)及び1°以下のオフカット角度変動(2β)を含んでなる、請求項1に記載の基板構造体。
- 前記複数の光電子デバイスが、InxGa1−xN、0<x<1を含んでなる、請求項1に記載の基板構造体。
- 前記複数の光電子デバイスが、III−V族材料を含んでなる、請求項1に記載の基板構造体。
- 前記基板本体が窒化ガリウムを含んでなる、請求項1に記載の基板構造体。
- 前記バッファ層が窒化ガリウムを含んでなる、請求項1に記載の基板構造体。
- 前記バッファ層が窒化ガリウムからなる、請求項1に記載の基板構造体。
- 400〜550nmの範囲内の波長で、0.0588nm/cm 2 以下の正規化発光波長標準偏差(nσ)を有する、請求項1に記載の基板構造体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201261747693P | 2012-12-31 | 2012-12-31 | |
US61/747,693 | 2012-12-31 | ||
PCT/IB2013/002983 WO2014102601A1 (en) | 2012-12-31 | 2013-12-31 | Group iii-v substrate material with thin buffer layer and methods of making |
Publications (2)
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JP2016510296A JP2016510296A (ja) | 2016-04-07 |
JP6636330B2 true JP6636330B2 (ja) | 2020-01-29 |
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Country Status (7)
Country | Link |
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US (1) | US9130120B2 (ja) |
EP (1) | EP2939259A1 (ja) |
JP (1) | JP6636330B2 (ja) |
KR (1) | KR102044056B1 (ja) |
CN (1) | CN104903993B (ja) |
TW (1) | TWI529964B (ja) |
WO (1) | WO2014102601A1 (ja) |
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WO2014057748A1 (ja) * | 2012-10-12 | 2014-04-17 | 住友電気工業株式会社 | Iii族窒化物複合基板およびその製造方法、ならびにiii族窒化物半導体デバイスの製造方法 |
JP6995304B2 (ja) * | 2016-12-06 | 2022-01-14 | 株式会社サイオクス | 窒化物半導体テンプレートの製造方法、窒化物半導体テンプレートおよび窒化物半導体デバイス |
CN106711023A (zh) * | 2016-12-29 | 2017-05-24 | 苏州纳维科技有限公司 | Iii族氮化物衬底及其制备方法 |
JP6394832B1 (ja) * | 2017-11-17 | 2018-09-26 | 三菱電機株式会社 | 半導体レーザ装置 |
US10903074B2 (en) * | 2018-03-02 | 2021-01-26 | Sciocs Company Limited | GaN laminate and method of manufacturing the same |
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US9130120B2 (en) | 2015-09-08 |
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WO2014102601A1 (en) | 2014-07-03 |
KR102044056B1 (ko) | 2019-12-02 |
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CN104903993B (zh) | 2017-05-24 |
TWI529964B (zh) | 2016-04-11 |
US20140185639A1 (en) | 2014-07-03 |
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