JP6318474B2 - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims description 29
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000000758 substrate Substances 0.000 claims description 39
- 239000000203 mixture Substances 0.000 claims description 30
- 239000007789 gas Substances 0.000 description 66
- 229910002601 GaN Inorganic materials 0.000 description 42
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 42
- 238000010586 diagram Methods 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 11
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 10
- 229910052782 aluminium Inorganic materials 0.000 description 9
- 125000006850 spacer group Chemical group 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 229910052738 indium Inorganic materials 0.000 description 8
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 8
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- IBEFSUTVZWZJEL-UHFFFAOYSA-N trimethylindium Chemical compound C[In](C)C IBEFSUTVZWZJEL-UHFFFAOYSA-N 0.000 description 6
- 230000005533 two-dimensional electron gas Effects 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000012159 carrier gas Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 150000004767 nitrides Chemical class 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 4
- 229910010271 silicon carbide Inorganic materials 0.000 description 4
- RGGPNXQUMRMPRA-UHFFFAOYSA-N triethylgallium Chemical compound CC[Ga](CC)CC RGGPNXQUMRMPRA-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- AUCDRFABNLOFRE-UHFFFAOYSA-N alumane;indium Chemical compound [AlH3].[In] AUCDRFABNLOFRE-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- RNQKDQAVIXDKAG-UHFFFAOYSA-N aluminum gallium Chemical compound [Al].[Ga] RNQKDQAVIXDKAG-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001195 gallium oxide Inorganic materials 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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Description
Ga含有ガス:TMG(トリメチルガリウム)またはTEG(トリエチルガリウム)
N含有ガス :NH3
キャリアガス:水素
基板温度 :900℃から1100℃のいずれか(図3では1050℃)
膜厚 :1μm程度
Al含有ガス:TMA(トリメチルアルミニウム)またはTEA(トリエチルアルミニウム)
N含有ガス :NH3
キャリアガス:水素
基板温度 :900℃から1100℃のいずれか(図3では1050℃)
膜厚 :0.5nm以上かつ1nm以下
In含有ガス:TMI(トリメチルインジウム)
Al含有ガス:TMAまたはTEA
N含有ガス :NH3
キャリアガス:窒素
基板温度 :600℃から800℃のいずれか(図3では700℃)
膜厚 :5nm以上かつ20nm以下
In含有ガス:TMI
Al含有ガス:TMAまたはTEA
Ga含有ガス:TMGまたはTEG
N含有ガス :NH3
キャリアガス:窒素
基板温度 :図3では700℃から1050℃に上昇
なお、電子供給層16の成長温度からキャップ層20の成長温度に、成長温度を上昇させる過程において緩衝層18を成長することができる。この場合、成長温度の意図的な温度設定は行なわなくてもよい。
膜厚 :0.5nm以上かつ5nm以下
Ga含有ガス:TMGまたはTEG
N含有ガス :NH3
基板温度 :900℃から1100℃のいずれか(図3では1050℃)
膜厚 :0.5nm以上かつ5nm以下
TMI:35μモル/分
TMA:25μモル/分
TMG:0μモル/分
TMI:35μモル/分
TMA:25μモル/分
TMG:0μモル/分
TMI:50μモル/分
TMA:2μモル/分
TMG:30μモル/分
TMI:0μモル/分
TMA:0μモル/分
TMG:30μモル/分
また、n型ドーパンドの原料ガスはSiH4である。
2.55α+3.11β+3.19γ+3.55(1−α−β−γ)=3.55x+3.11(1−x)
12 電子走行層
14 スペーサ層
16 電子供給層
18 緩衝層
20 キャップ層
22 ソース電極
24 ゲート電極
26 ドレイン電極
30 ピエゾ電荷発生層
Claims (3)
- 基板上にInAlN層を形成する工程と、
前記InAlN層を形成する工程における成長温度から成長温度を上昇させつつ、Al含有ガスの供給量を減少させつつ、かつIn含有ガスおよびGa含有ガスの供給量を増加させつつInAlGaN層を形成する工程と、
前記InAlGaN層上に、前記InAlN層を形成する工程における成長温度より高い成長温度において、GaN層を形成する工程と、
を含む半導体装置の製造方法。 - 前記InAlGaN層は、前記InAlN層と格子整合する組成である請求項1記載の半導体装置の製造方法。
- 前記InAlGaN層を形成する工程は、成長温度が700℃から1050℃の範囲で実行される請求項1または2記載の半導体装置の製造方法。
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JP2013121079A JP6318474B2 (ja) | 2013-06-07 | 2013-06-07 | 半導体装置の製造方法 |
US14/297,464 US9123534B2 (en) | 2013-06-07 | 2014-06-05 | Semiconductor device and method of manufacturing the same |
US14/810,023 US9355843B2 (en) | 2013-06-07 | 2015-07-27 | Semiconductor device and method of manufacturing the same |
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JP6318474B2 true JP6318474B2 (ja) | 2018-05-09 |
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TWI621265B (zh) | 2015-05-12 | 2018-04-11 | 台達電子工業股份有限公司 | 半導體裝置及其製作方法 |
JP6604036B2 (ja) * | 2015-06-03 | 2019-11-13 | 富士通株式会社 | 化合物半導体装置及びその製造方法 |
JP6792135B2 (ja) * | 2015-10-30 | 2020-11-25 | 富士通株式会社 | 化合物半導体装置及びその製造方法 |
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US9728610B1 (en) * | 2016-02-05 | 2017-08-08 | Infineon Technologies Americas Corp. | Semiconductor component with a multi-layered nucleation body |
US10002780B2 (en) * | 2016-05-17 | 2018-06-19 | Taiwan Semiconductor Manufacturing Company Ltd. | Method of manufacturing a semiconductor structure |
JP6268229B2 (ja) * | 2016-06-27 | 2018-01-24 | 株式会社サイオクス | 窒化物半導体積層物、窒化物半導体積層物の製造方法、半導体積層物の製造方法、および半導体積層物の検査方法 |
US20180061975A1 (en) * | 2016-08-24 | 2018-03-01 | Rohm Co., Ltd. | Nitride semiconductor device and nitride semiconductor package |
JP7019942B2 (ja) * | 2016-09-28 | 2022-02-16 | 富士通株式会社 | 化合物半導体基板及びその製造方法、化合物半導体装置及びその製造方法、電源装置、高出力増幅器 |
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JP6870304B2 (ja) * | 2016-12-05 | 2021-05-12 | 住友電気工業株式会社 | 半導体装置の製造方法 |
CN106920849B (zh) * | 2017-04-21 | 2019-07-02 | 吉林大学 | 一种散热性好的Ga2O3基金属氧化物半导体场效应晶体管及其制备方法 |
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