JP4675942B2 - 結晶製造装置 - Google Patents
結晶製造装置 Download PDFInfo
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- JP4675942B2 JP4675942B2 JP2007208069A JP2007208069A JP4675942B2 JP 4675942 B2 JP4675942 B2 JP 4675942B2 JP 2007208069 A JP2007208069 A JP 2007208069A JP 2007208069 A JP2007208069 A JP 2007208069A JP 4675942 B2 JP4675942 B2 JP 4675942B2
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- Prior art keywords
- reaction vessel
- group iii
- crystal
- nitrogen
- pressure
- 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.)
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- 239000013078 crystal Substances 0.000 title claims description 153
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 167
- 238000006243 chemical reaction Methods 0.000 claims description 114
- 239000007789 gas Substances 0.000 claims description 32
- 239000002994 raw material Substances 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 10
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 description 85
- 239000002184 metal Substances 0.000 description 85
- 229910052757 nitrogen Inorganic materials 0.000 description 80
- 150000004767 nitrides Chemical class 0.000 description 62
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 27
- 229910052733 gallium Inorganic materials 0.000 description 27
- 238000000034 method Methods 0.000 description 24
- 239000004065 semiconductor Substances 0.000 description 22
- 150000001875 compounds Chemical class 0.000 description 19
- 239000000758 substrate Substances 0.000 description 19
- 239000010408 film Substances 0.000 description 17
- 229910002704 AlGaN Inorganic materials 0.000 description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 15
- 239000011734 sodium Substances 0.000 description 14
- 230000007547 defect Effects 0.000 description 12
- 230000004907 flux Effects 0.000 description 11
- 229910052594 sapphire Inorganic materials 0.000 description 11
- 239000010980 sapphire Substances 0.000 description 11
- 229910001220 stainless steel Inorganic materials 0.000 description 11
- 239000010935 stainless steel Substances 0.000 description 11
- PXIPVTKHYLBLMZ-UHFFFAOYSA-N Sodium azide Chemical compound [Na+].[N-]=[N+]=[N-] PXIPVTKHYLBLMZ-UHFFFAOYSA-N 0.000 description 10
- 230000004888 barrier function Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 9
- 238000002109 crystal growth method Methods 0.000 description 9
- 229910004298 SiO 2 Inorganic materials 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000005669 field effect Effects 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 238000001451 molecular beam epitaxy Methods 0.000 description 5
- 229910052758 niobium Inorganic materials 0.000 description 5
- 239000010955 niobium Substances 0.000 description 5
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 5
- 230000005533 two-dimensional electron gas Effects 0.000 description 5
- 238000005253 cladding Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 238000003776 cleavage reaction Methods 0.000 description 3
- 230000007017 scission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 125000005842 heteroatom Chemical group 0.000 description 2
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000000927 vapour-phase epitaxy Methods 0.000 description 1
Images
Landscapes
- Crystals, And After-Treatments Of Crystals (AREA)
- Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
- Semiconductor Lasers (AREA)
- Led Devices (AREA)
Description
Japanese Journal of Applied Physics Vol.36 (1997) Part 2, No.12A, L1568-1571 Applied Physics Letters, Vol.73,No.6, P832-834 (1998) Journal of Crystal Growth, Vol.189/190, p.153-158 (1998) Chemistry of Materials Vol.9 (1997) p.413-416
102 成長容器
103 金属供給管
104 III族金属
105 穴
106 加圧装置
107 反応容器の内部空間
108 窒素供給管
109 圧力制御装置
110 下部ヒーター
111 側部ヒーター
112 外側容器
113 第2の窒素供給管
114 圧力制御装置
115 断熱材
116 III族窒化物結晶
117 ニッケル膜
120 フラックス
121 III族金属
701 n型GaN基板
702 n型AlGaNクラッド層
703 n型GaNガイド層
704 InGaN MQW(多重量子井戸)活性層
705 p型GaNガイド層
706 p型AlGaNクラッド層
707 p型GaNコンタクト層
708 SiO2絶縁膜
709 p側オーミック電極
710 n側オーミック電極
801 GaN基板上
802 AlN絶縁層
803 GaNバッファ層
804 AlGaN下部障壁層
805 GaNチャネル層
806 AlGaN障壁層
807 n−GaNコンタクト層
808 ゲート電極
808 ソース電極
809 ドレイン電極
Claims (7)
- 原料を含む反応容器と、
前記原料と反応して結晶を形成させる気体を前記反応容器に供給する供給管と、
前記反応容器の周囲に設けられた加熱用ヒーターと、
前記加熱用ヒーターおよび前記反応容器を覆う外側容器と、
前記外側容器と前記反応容器との間の領域の圧力と前記反応容器内の圧力との圧力差を減少させる圧力制御装置と、
を備える結晶製造装置。 - 前記外側容器と前記反応容器との間の領域に、前記加熱用ヒーターを覆う断熱材をさらに備える、請求項1に記載の結晶製造装置。
- 前記外側容器と前記反応容器との間の領域にガスを供給するガス供給管をさらに備える、請求項1または請求項2に記載の結晶製造装置。
- 前記原料と反応して結晶を形成させる気体は、前記外側容器と前記反応容器との間の領域に供給されるガスと同じガスからなる、請求項3に記載の結晶製造装置。
- 前記原料と反応して結晶を形成させる気体は、窒素ガスである、請求項4に記載の結晶製造装置。
- 前記反応容器の内部に配置され、前記原料を保持する成長容器をさらに備える、請求項1から請求項5のいずれか1項に記載の結晶製造装置。
- 前記原料に接する領域は、前記原料に溶出しない材質からなる、請求項1から請求項6のいずれか1項に記載の結晶製造装置。
Priority Applications (1)
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JP2007208069A JP4675942B2 (ja) | 1999-06-09 | 2007-08-09 | 結晶製造装置 |
Applications Claiming Priority (2)
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JP16241199 | 1999-06-09 | ||
JP2007208069A JP4675942B2 (ja) | 1999-06-09 | 2007-08-09 | 結晶製造装置 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2000175577A Division JP4011828B2 (ja) | 1999-06-09 | 2000-06-07 | Iii族窒化物結晶の結晶成長方法及びiii族窒化物結晶の製造方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010290621A Division JP5348123B2 (ja) | 1999-06-09 | 2010-12-27 | 結晶製造装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008001593A JP2008001593A (ja) | 2008-01-10 |
JP4675942B2 true JP4675942B2 (ja) | 2011-04-27 |
Family
ID=39006282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007208069A Expired - Fee Related JP4675942B2 (ja) | 1999-06-09 | 2007-08-09 | 結晶製造装置 |
Country Status (1)
Country | Link |
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JP (1) | JP4675942B2 (ja) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000044399A (ja) * | 1998-07-24 | 2000-02-15 | Sharp Corp | 窒化ガリウム系化合物半導体のバルク結晶製造方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54119400A (en) * | 1978-07-11 | 1979-09-17 | Sumitomo Electric Ind Ltd | Production of nitrogen compound of 3b group element |
JPH0818918B2 (ja) * | 1990-08-11 | 1996-02-28 | 積水化成品工業株式会社 | 繊維状チタン酸鉛の製造方法 |
JP2787550B2 (ja) * | 1994-11-10 | 1998-08-20 | 仗祐 中田 | 球状結晶の製造方法 |
JPH107496A (ja) * | 1996-06-25 | 1998-01-13 | Hitachi Cable Ltd | 窒化物結晶の製造方法およびその装置 |
JPH111395A (ja) * | 1997-06-09 | 1999-01-06 | Sumitomo Electric Ind Ltd | GaN系化合物半導体のエピタキシャル成長方法 |
JP3991393B2 (ja) * | 1997-06-11 | 2007-10-17 | 住友電気工業株式会社 | 化合物半導体の製造装置 |
JP3622440B2 (ja) * | 1997-08-18 | 2005-02-23 | 日立電線株式会社 | 窒化物結晶の成長方法およびGaN結晶の成長方法 |
JPH11171699A (ja) * | 1997-12-16 | 1999-06-29 | Furukawa Electric Co Ltd:The | GaNP単結晶成長方法 |
-
2007
- 2007-08-09 JP JP2007208069A patent/JP4675942B2/ja not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000044399A (ja) * | 1998-07-24 | 2000-02-15 | Sharp Corp | 窒化ガリウム系化合物半導体のバルク結晶製造方法 |
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