KR20010110430A - 질화물 반도체 소자 및 그 제조방법 - Google Patents
질화물 반도체 소자 및 그 제조방법 Download PDFInfo
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- KR20010110430A KR20010110430A KR1020017009965A KR20017009965A KR20010110430A KR 20010110430 A KR20010110430 A KR 20010110430A KR 1020017009965 A KR1020017009965 A KR 1020017009965A KR 20017009965 A KR20017009965 A KR 20017009965A KR 20010110430 A KR20010110430 A KR 20010110430A
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- nitride semiconductor
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 97
- 150000004767 nitrides Chemical class 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims description 37
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims abstract description 101
- 239000013078 crystal Substances 0.000 claims abstract description 51
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 40
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims description 69
- 238000005253 cladding Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 230000000737 periodic effect Effects 0.000 claims description 5
- 239000010408 film Substances 0.000 description 60
- 239000007789 gas Substances 0.000 description 27
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 25
- 230000001681 protective effect Effects 0.000 description 17
- 229910052594 sapphire Inorganic materials 0.000 description 15
- 239000010980 sapphire Substances 0.000 description 15
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 15
- 229910021529 ammonia Inorganic materials 0.000 description 12
- 239000012535 impurity Substances 0.000 description 12
- 229910004298 SiO 2 Inorganic materials 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000011777 magnesium Substances 0.000 description 6
- 238000001020 plasma etching Methods 0.000 description 6
- 230000002265 prevention Effects 0.000 description 6
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 5
- 229910000077 silane Inorganic materials 0.000 description 5
- 229910002704 AlGaN Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- IBEFSUTVZWZJEL-UHFFFAOYSA-N trimethylindium Chemical compound C[In](C)C IBEFSUTVZWZJEL-UHFFFAOYSA-N 0.000 description 3
- 238000001947 vapour-phase growth Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- MHYQBXJRURFKIN-UHFFFAOYSA-N C1(C=CC=C1)[Mg] Chemical compound C1(C=CC=C1)[Mg] MHYQBXJRURFKIN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
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- 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
- C30B25/18—Epitaxial-layer growth characterised by the substrate
- C30B25/20—Epitaxial-layer growth characterised by the substrate the substrate being of the same materials as the epitaxial layer
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- H01L21/02378—Silicon carbide
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- H01S5/00—Semiconductor lasers
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- H01S5/32—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures
- H01S5/323—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
- H01S5/32308—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser emitting light at a wavelength less than 900 nm
- H01S5/32341—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser emitting light at a wavelength less than 900 nm blue laser based on GaN or GaP
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- H01S2301/173—The laser chip comprising special buffer layers, e.g. dislocation prevention or reduction
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Abstract
Description
Claims (8)
- 단결정 GaN층을 적어도 표면에 갖는 GaN 기판상에, 질화물 반도체로 이루어지는 복수의 소자 형성층을 적층한 질화물 반도체 소자에 있어서,상기 GaN 기판에 접하는 소자 형성층에 압축 왜곡이 가해지는 것을 특징으로 하는 질화물 반도체소자.
- 제 1항에 있어서,상기 GaN 기판에 접하는 소자 형성층의 열팽창 계수가 GaN보다도 작은 것을 특징으로 하는 질화물 반도체소자.
- 제 1항에 있어서,상기 GaN 기판에 접하는 소자 형성층이 AlaGa1-aN (0<a≤1)으로 이루어지는 것을 특징으로 하는 질화물 반도체 소자.
- 제 3항에 있어서,상기 소자 형성층이 A1을 함유하는 n형 클래드층, InGaN을 포함하는 활성층, 및 A1을 함유하는 p형 클래드층을 포함하는 것을 특징으로 하는 질화물 반도체 소자.
- 제 4항에 있어서,상기 AlaGa1-aN (0<a≤1)층이 n형 콘택층인 것을 특징으로 하는 질화물 반도체소자.
- 제 1항에 있어서,상기 GaN 기판의 단결정 GaN층이 가로 방향 성장법에 의해 성장한 단결정층인 것을 특징으로 하는 질화물 반도체 소자.
- 단결정 GaN 층을 적어도 표면에 갖는 GaN 기판과, 상기 GaN 기판상에 적층한 복수의 질화물 반도체층으로 이루어진 소자 형성층을 구비한 질화물 반도체 소자의 제조방법에 있어서,질화물 반도체와 다른 보조 기판상에 제1 질화물 반도체층을 성장하는 공정과,상기 제1 질화물 반도체층에 스트라이프 모양 또는 섬 모양의 주기적 요철을 형성하는 공정과,상기 제1 질화물 반도체층상에 단결정 GaN 층을 성장하여 GaN 기판을 형성하는 공정과,상기 GaN 기판상에 GaN보다도 열팽창 계수가 작은 제2 질화물 반도체층을성장하는 공정을 구비한 질화물 반도체 소자의 제조방법.
- 제 7항에 있어서,상기 단결정 GaN층의 성장 후, 더욱이 상기 보조 기판을 제거하여 GaN 기판을 형성하는 것을 특징으로 하는 질화물 반도체 소자의 제조방법.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-1999-00030990 | 1999-02-09 | ||
JP3099099 | 1999-02-09 | ||
JPJP-P-1999-00331797 | 1999-11-22 | ||
JP33179799A JP3770014B2 (ja) | 1999-02-09 | 1999-11-22 | 窒化物半導体素子 |
Publications (2)
Publication Number | Publication Date |
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KR20010110430A true KR20010110430A (ko) | 2001-12-13 |
KR100634340B1 KR100634340B1 (ko) | 2006-10-17 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020017009965A KR100634340B1 (ko) | 1999-02-09 | 2000-02-08 | 질화물 반도체 소자 및 그 제조방법 |
Country Status (8)
Country | Link |
---|---|
US (2) | US6835956B1 (ko) |
EP (1) | EP1184913B1 (ko) |
JP (1) | JP3770014B2 (ko) |
KR (1) | KR100634340B1 (ko) |
CN (1) | CN1157804C (ko) |
AU (1) | AU771942B2 (ko) |
TW (1) | TW443018B (ko) |
WO (1) | WO2000048254A1 (ko) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3587081B2 (ja) | 1999-05-10 | 2004-11-10 | 豊田合成株式会社 | Iii族窒化物半導体の製造方法及びiii族窒化物半導体発光素子 |
JP3555500B2 (ja) | 1999-05-21 | 2004-08-18 | 豊田合成株式会社 | Iii族窒化物半導体及びその製造方法 |
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-
1999
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US6835956B1 (en) | 2004-12-28 |
JP3770014B2 (ja) | 2006-04-26 |
WO2000048254A1 (fr) | 2000-08-17 |
CN1340215A (zh) | 2002-03-13 |
US20050054132A1 (en) | 2005-03-10 |
KR100634340B1 (ko) | 2006-10-17 |
EP1184913B1 (en) | 2018-10-10 |
CN1157804C (zh) | 2004-07-14 |
AU2327200A (en) | 2000-08-29 |
TW443018B (en) | 2001-06-23 |
EP1184913A1 (en) | 2002-03-06 |
US7083996B2 (en) | 2006-08-01 |
AU771942B2 (en) | 2004-04-08 |
EP1184913A4 (en) | 2007-07-04 |
JP2000299497A (ja) | 2000-10-24 |
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