JP2013513944A - ガリウム窒化物又は他の窒化物ベースの半導体デバイスの裏側応力補償 - Google Patents
ガリウム窒化物又は他の窒化物ベースの半導体デバイスの裏側応力補償 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 60
- 150000004767 nitrides Chemical class 0.000 title claims abstract description 23
- 229910002601 GaN Inorganic materials 0.000 title claims description 19
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 title description 8
- 239000000758 substrate Substances 0.000 claims abstract description 84
- 238000000034 method Methods 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000013080 microcrystalline material Substances 0.000 claims abstract description 16
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 4
- 238000000137 annealing Methods 0.000 claims abstract description 3
- 230000035882 stress Effects 0.000 claims description 84
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 20
- 230000008646 thermal stress Effects 0.000 claims description 18
- RNQKDQAVIXDKAG-UHFFFAOYSA-N aluminum gallium Chemical compound [Al].[Ga] RNQKDQAVIXDKAG-UHFFFAOYSA-N 0.000 claims description 13
- 230000004888 barrier function Effects 0.000 claims description 13
- 230000006911 nucleation Effects 0.000 claims description 13
- 238000010899 nucleation Methods 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052733 gallium Inorganic materials 0.000 claims description 5
- 238000002161 passivation Methods 0.000 claims description 5
- 230000005669 field effect Effects 0.000 claims description 2
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 17
- 229910052710 silicon Inorganic materials 0.000 description 17
- 239000010703 silicon Substances 0.000 description 17
- 238000013459 approach Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 235000012431 wafers Nutrition 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000005240 physical vapour deposition Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- AUCDRFABNLOFRE-UHFFFAOYSA-N alumane;indium Chemical compound [AlH3].[In] AUCDRFABNLOFRE-UHFFFAOYSA-N 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- NWAIGJYBQQYSPW-UHFFFAOYSA-N azanylidyneindigane Chemical compound [In]#N NWAIGJYBQQYSPW-UHFFFAOYSA-N 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- -1 nitride compound Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
Description
Claims (20)
- 方法であって、
半導体基板の第1の側の上に応力補償層を形成すること、及び、
前記半導体基板の第2の側の上にIII族窒化物層を形成すること、
を含み、
前記III族窒化物層により前記半導体基板上につくられる応力が、前記応力補償層により前記半導体基板上につくられる応力によって少なくとも部分的に低減される、
方法。 - 請求項1に記載の方法であって、
前記応力補償層を形成することが、非晶質又は微結晶材料から応力補償層を形成することを含み、更に、
前記方法が、前記半導体基板の前記第2の側の上の一つ又は複数の層の後続の形成の間、前記非晶質又は微結晶材料を結晶化することを更に含む、方法。 - 請求項2に記載の方法であって、前記非晶質又は微結晶材料を結晶化することが、前記III族窒化物層の後続の形成の間、前記非晶質又は微結晶材料を結晶化することを含む、方法。
- 請求項2に記載の方法であって、前記非晶質又は微結晶材料を結晶化することが、アニールプロセスの間、前記非晶質又は微結晶材料結晶化することを含む、方法。
- 請求項2に記載の方法であって、
前記非晶質又は微結晶材料が前記半導体基板上に応力を全くつくらないか又はつくる応力の量が小さく、更に、
前記結晶化した材料が前記半導体基板上に一層大きな応力をつくる、
方法。 - 請求項1に記載の方法であって、前記III族窒化物層を形成することが、
前記半導体基板の前記第2の側の上に核形成層を形成すること、
前記核形成層の上に熱応力管理層を形成すること、
前記熱応力管理層の上にエピタキシャルバッファ層を形成すること、及び、
前記エピタキシャルバッファ層の上にエピタキシャル障壁層を形成すること、
を含む、方法。 - 請求項6に記載の方法であって、
前記核形成層がアルミニウム窒化物層を含み、
前記熱応力管理層が、異なるガリウム濃度の多数のアルミニウムガリウム窒化物層を含み、
前記バッファ及び障壁層が、異なるアルミニウム濃度のアルミニウムガリウム窒化物層を含み、更に、
前記応力補償層がアルミニウム窒化物層を含む、方法。 - 請求項1に記載の方法であって、前記バッファ層が3μmより大きい厚みを有する、方法。
- 装置であって、
半導体基板、
前記半導体基板の第1の側の上の応力補償層、及び、
前記半導体基板の第2の側の上のIII族窒化物層、
を含み、
前記装置が、前記III族窒化物層により前記半導体基板上につくられる応力が、前記応力補償層により前記半導体基板上につくられる応力によって少なくとも部分的に低減されるように構成される、装置。 - 請求項9に記載の装置であって、
前記応力補償層が、非晶質又は微結晶材料の結晶化した形式を含み、
前記非晶質又は微結晶材料が、前記半導体基板上に応力を全くつくらないか又はつくる応力の量が小さく、更に、
前記結晶化した材料が前記半導体基板上に一層大きな応力をつくる、
装置。 - 請求項9に記載の装置であって、前記III族窒化物層が、
熱応力管理層及び核形成層の上のエピタキシャルバッファ層、及び、
前記エピタキシャルバッファ層の上のエピタキシャル障壁層、
を含む、装置。 - 請求項11に記載の装置であって、
前記核形成層がアルミニウム窒化物層を含み、
前記熱応力管理層が、異なるガリウム濃度の多数のアルミニウムガリウム窒化物層を含み、
前記バッファ及び障壁層が、異なるアルミニウム濃度のアルミニウムガリウム窒化物層を含み、更に、
前記応力補償層がアルミニウム窒化物層を含む、装置。 - 請求項9に記載の装置であって、前記バッファ層が3μmより大きい厚みを有する、装置。
- 請求項9に記載の装置であって、
前記III族窒化物層の上にパッシベーション層を更に含む、装置。 - システムであって、
半導体基板と、
前記半導体基板の第1の側の上の応力補償層と、
前記半導体基板の第2の側の上のIII族窒化物層と、
を含む半導体構造、及び、
前記III族窒化物層内又はその上のIII族窒化物集積回路デバイス、
を含むシステムであって、前記半導体構造が、前記III族窒化物層により前記半導体基板上につくられる応力が、前記応力補償層により前記半導体基板上につくられる応力によって少なくとも部分的に低減されるように構成される、
システム。 - 請求項15に記載のシステムであって、
前記応力補償層が、非晶質又は微結晶材料の結晶化した形式を含み、
前記非晶質又は微結晶材料が、前記半導体基板上に応力を全くつくらないか又はつくる応力の量が小さく、更に、
前記結晶化した材料が前記半導体基板上に一層大きな応力をつくる、
システム。 - 請求項15に記載のシステムであって、前記III族窒化物層が、
熱応力管理層及び核形成層の上のエピタキシャルバッファ層、及び、
前記エピタキシャルバッファ層の上のエピタキシャル障壁層、
を含む、システム。 - 請求項17に記載のシステムであって、
前記核形成層がアルミニウム窒化物層を含み、
前記熱応力管理層が、異なるガリウム濃度の多数のアルミニウムガリウム窒化物層を含み、
前記バッファ及び障壁層が、異なるアルミニウム濃度のアルミニウムガリウム窒化物層を含み、更に、
前記応力補償層がアルミニウム窒化物層を含む、システム。 - 請求項15に記載のシステムであって、前記バッファ層が3μmより大きい厚みを有する、システム。
- 請求項15に記載のシステムであって、前記III族窒化物集積回路デバイスが、III族窒化物電界効果トランジスタ(FET)とIII族窒化物高電子移動度トランジスタ(HEMT)との少なくとも一方を含む、システム。
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Cited By (4)
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KR20180021133A (ko) * | 2015-06-26 | 2018-02-28 | 인텔 코포레이션 | 가공 실리콘 기판들 상의 gan 디바이스들 |
JP2018121028A (ja) * | 2017-01-27 | 2018-08-02 | 日機装株式会社 | 半導体発光素子および半導体発光素子の製造方法 |
JP2019151520A (ja) * | 2018-03-02 | 2019-09-12 | 国立大学法人三重大学 | 基板および基板の製造方法 |
WO2024181028A1 (ja) * | 2023-02-28 | 2024-09-06 | 株式会社ジャパンディスプレイ | Led素子、ledアレイ基板及びled素子の製造方法 |
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US8785305B2 (en) | 2014-07-22 |
JP7273279B2 (ja) | 2023-05-15 |
CN102549716A (zh) | 2012-07-04 |
JP2021158391A (ja) | 2021-10-07 |
CN102549716B (zh) | 2016-08-03 |
US9111753B2 (en) | 2015-08-18 |
US20110140118A1 (en) | 2011-06-16 |
US20140295651A1 (en) | 2014-10-02 |
JP2018190988A (ja) | 2018-11-29 |
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