KR100839224B1 - GaN 후막의 제조방법 - Google Patents
GaN 후막의 제조방법 Download PDFInfo
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- KR100839224B1 KR100839224B1 KR1020070029481A KR20070029481A KR100839224B1 KR 100839224 B1 KR100839224 B1 KR 100839224B1 KR 1020070029481 A KR1020070029481 A KR 1020070029481A KR 20070029481 A KR20070029481 A KR 20070029481A KR 100839224 B1 KR100839224 B1 KR 100839224B1
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- nanorod
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 239000000758 substrate Substances 0.000 claims abstract description 73
- 238000006243 chemical reaction Methods 0.000 claims abstract description 49
- 230000001681 protective effect Effects 0.000 claims abstract description 27
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 claims abstract 4
- 239000002073 nanorod Substances 0.000 claims description 104
- 229910017840 NH 3 Inorganic materials 0.000 claims description 15
- 238000000151 deposition Methods 0.000 claims description 14
- 230000008021 deposition Effects 0.000 claims description 13
- 238000002309 gasification Methods 0.000 claims description 13
- 239000002994 raw material Substances 0.000 claims description 13
- 125000005842 heteroatom Chemical group 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 3
- 229910052733 gallium Inorganic materials 0.000 claims description 2
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 claims 3
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims 1
- 239000000376 reactant Substances 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 10
- 230000007547 defect Effects 0.000 abstract description 5
- 238000009834 vaporization Methods 0.000 abstract description 5
- 230000008016 vaporization Effects 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 3
- 238000000927 vapour-phase epitaxy Methods 0.000 abstract description 3
- 150000004820 halides Chemical class 0.000 abstract description 2
- 150000004678 hydrides Chemical class 0.000 abstract description 2
- 239000002071 nanotube Substances 0.000 abstract 6
- 239000000446 fuel Substances 0.000 abstract 2
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 165
- 229910002601 GaN Inorganic materials 0.000 description 163
- 239000010408 film Substances 0.000 description 67
- 239000007789 gas Substances 0.000 description 35
- 239000010410 layer Substances 0.000 description 35
- 229910052594 sapphire Inorganic materials 0.000 description 15
- 239000010980 sapphire Substances 0.000 description 15
- 238000001000 micrograph Methods 0.000 description 13
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 12
- 239000000463 material Substances 0.000 description 9
- 239000010409 thin film Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000012495 reaction gas Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000002105 nanoparticle Substances 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- XOYLJNJLGBYDTH-UHFFFAOYSA-M chlorogallium Chemical compound [Ga]Cl XOYLJNJLGBYDTH-UHFFFAOYSA-M 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001947 vapour-phase growth Methods 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000001657 homoepitaxy Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 239000002159 nanocrystal Substances 0.000 description 1
- 239000011858 nanopowder Substances 0.000 description 1
- -1 nitride compound compound Chemical class 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02538—Group 13/15 materials
- H01L21/0254—Nitrides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/0262—Reduction or decomposition of gaseous compounds, e.g. CVD
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/102—Material of the semiconductor or solid state bodies
- H01L2924/1025—Semiconducting materials
- H01L2924/1026—Compound semiconductors
- H01L2924/1032—III-V
- H01L2924/1033—Gallium nitride [GaN]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical Vapour Deposition (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
Claims (10)
- (a) 반응원료 기체화영역의 열원부의 온도가 800∼850℃인 반응원료 기체화영역, 혼합가스 반응영역의 열원부의 온도가 900∼1150℃인 혼합가스 반응영역 및 나노막대 형성영역의 열원부의 온도가 600∼750℃인 나노막대 형성영역으로 구분되어 있는 반응챔버를 포함하는 나노막대 제조용 HVPE 증착장치를 사용하여 이종기판상에 GaN 나노막대를 성장시켜 GaN 나노막대 템플레이트를 형성키는 단계;(b) 상기 GaN 나노막대 템플레이트 상에 GaN 보호막을 성장시키는 단계; 및(c) 상기 GaN 보호막 상에 GaN 후막을 성장시키는 단계;를 포함하는 GaN 후막의 제조방법.
- 제 1항에 있어서, 상기 이종기판은 Al2O3, Si, SiC, GaN 및 ZnO로 이루어진 군에서 선택된 어느 하나인 것을 특징으로 하는 GaN 후막의 제조방법.
- 제 1항에 있어서, 상기 GaN 나노막대 템플레이트를 형성시키는 단계는 HVPE법에 의하는 것을 특징으로 하는 GaN 후막의 제조방법.
- 제 1항에 있어서, 상기 GaN 보호막을 성장시키는 단계는 MOCVD법에 의하는 것을 특징으로 하는 GaN 후막의 제조방법.
- 제 1항에 있어서, 상기 GaN 나노막대 템플레이트를 형성시키는 단계는, 반응원료로서, NH3, HCl 및 Ga을 사용하는 것을 특징으로 하는 GaN 후막의 제조방법.
- 삭제
- 제 1항에 있어서, 상기 GaN 나노막대 템플레이트를 형성시키는 단계의 반응시간은 30분 내지 6시간인 것을 특징으로 하는 GaN 후막의 제조방법.
- 제 4항에 있어서, 상기 MOCVD법 수행시 반응기체로서는 TMGa(Trimethyl Gallium) 및 NH3를 사용하고 이종기판의 온도를 800∼950℃로 가열하는 것을 특징으로 하는 GaN 후막의 제조방법.
- 제 4항 내지 제 5항 또는 제 7항 내지 제 8항 중 어느 한 항에 있어서, 상기 MOCVD법 수행시 1차적으로 800∼850℃에서 GaN 저온버퍼층을 형성한 후, 2차적으로 900∼950℃에서 GaN 보호막을 형성하는 것을 특징으로 하는 GaN 후막의 제조방법.
- 제 1항에 있어서, 상기 (c)단계 이후에 레이져 리프트 오프 또는 기판 냉각에 의하여 상기 이종기판과 상기 GaN 후막을 분리하는 단계를 더 포함하는 것을 특징으로 하는 GaN 후막의 제조방법.
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KR1020070029481A KR100839224B1 (ko) | 2007-03-26 | 2007-03-26 | GaN 후막의 제조방법 |
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KR1020070029481A KR100839224B1 (ko) | 2007-03-26 | 2007-03-26 | GaN 후막의 제조방법 |
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KR100839224B1 true KR100839224B1 (ko) | 2008-06-19 |
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KR1020070029481A KR100839224B1 (ko) | 2007-03-26 | 2007-03-26 | GaN 후막의 제조방법 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040061703A (ko) * | 2002-12-31 | 2004-07-07 | 김화목 | GaN 나노막대를 이용하는 단결정 GaN 기판 제조방법 |
KR100450785B1 (ko) * | 1997-12-23 | 2004-11-16 | 삼성전기주식회사 | 질화갈륨후막제조방법 |
KR20060079736A (ko) * | 2005-01-03 | 2006-07-06 | 삼성전기주식회사 | 질화갈륨계 단결정 기판의 제조방법 및 제조장치 |
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- 2007-03-26 KR KR1020070029481A patent/KR100839224B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100450785B1 (ko) * | 1997-12-23 | 2004-11-16 | 삼성전기주식회사 | 질화갈륨후막제조방법 |
KR20040061703A (ko) * | 2002-12-31 | 2004-07-07 | 김화목 | GaN 나노막대를 이용하는 단결정 GaN 기판 제조방법 |
KR20060079736A (ko) * | 2005-01-03 | 2006-07-06 | 삼성전기주식회사 | 질화갈륨계 단결정 기판의 제조방법 및 제조장치 |
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