KR20040057323A - 발광 다이오드 및 레이저 다이오드 구현을 위한 오믹접촉금속박막의 제조방법 - Google Patents
발광 다이오드 및 레이저 다이오드 구현을 위한 오믹접촉금속박막의 제조방법 Download PDFInfo
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- KR20040057323A KR20040057323A KR1020020084012A KR20020084012A KR20040057323A KR 20040057323 A KR20040057323 A KR 20040057323A KR 1020020084012 A KR1020020084012 A KR 1020020084012A KR 20020084012 A KR20020084012 A KR 20020084012A KR 20040057323 A KR20040057323 A KR 20040057323A
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- Prior art keywords
- thin film
- metal thin
- layer
- gallium nitride
- gan
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 64
- 239000002184 metal Substances 0.000 title claims abstract description 64
- 239000010409 thin film Substances 0.000 title claims abstract description 44
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000010936 titanium Substances 0.000 claims abstract description 52
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000010931 gold Substances 0.000 claims abstract description 35
- 239000004065 semiconductor Substances 0.000 claims abstract description 32
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 27
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 26
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052737 gold Inorganic materials 0.000 claims abstract description 18
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000000151 deposition Methods 0.000 claims abstract description 15
- 230000003287 optical effect Effects 0.000 claims abstract description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 230000008021 deposition Effects 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- 238000005229 chemical vapour deposition Methods 0.000 claims description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- 238000005240 physical vapour deposition Methods 0.000 claims description 4
- 239000012298 atmosphere Substances 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 239000001307 helium Substances 0.000 claims description 2
- 229910052734 helium Inorganic materials 0.000 claims description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 3
- 229910052759 nickel Inorganic materials 0.000 claims 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims 1
- 229910052721 tungsten Inorganic materials 0.000 claims 1
- 239000010937 tungsten Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 6
- 150000004767 nitrides Chemical class 0.000 abstract description 5
- 229910002601 GaN Inorganic materials 0.000 abstract description 4
- -1 gallium nitride (GaN) compound Chemical class 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 238000001465 metallisation Methods 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 5
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- SKKMWRVAJNPLFY-UHFFFAOYSA-N azanylidynevanadium Chemical compound [V]#N SKKMWRVAJNPLFY-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- RNQKDQAVIXDKAG-UHFFFAOYSA-N aluminum gallium Chemical compound [Al].[Ga] RNQKDQAVIXDKAG-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000004151 rapid thermal annealing Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
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- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (6)
- 발광 다이오드 및 레이저 다이오드의 광 디바이스 구현을 위한 오믹접촉 금속박막의 제조방법에 있어서,산화알루미늄기판 위에 n형 오믹접촉 형성을 위한 n형 질화갈륨(GaN) 반도체를 형성한 후, 상기 n형 질화갈륨(GaN) 반도체 위에 접촉금속층/중간층/캡핑층으로 바나듐(V)/티타늄(Ti)/금(Au)이 순차적으로 적층되어 3층 금속박막의 구조를 형성하는 것을 특징으로 하는 오믹접촉 금속박막의 제조방법.
- 청구항 1에 있어서, 상기 n형 질화갈륨(GaN) 반도체 위에 3층 금속박막의 구조를 형성하기 위한 접촉금속층/중간층/캡핑층으로 티타늄(Ti)/바나듐(V)/금(Au)이 순차적으로 적층된 것을 특징으로 하는 오믹접촉 금속박막의 제조방법.
- 청구항 1에 있어서, 상기 3층 금속박막 구조의 중간층으로 티타늄(Ti) 대신에 텅스텐(W)이나 니켈(Ni)을 사용하는 것을 특징으로 하는 오믹접촉 금속박막의 제조방법.
- 청구항 1 또는 청구항 2에 있어서, 상기 3층 금속박막의 증착조건은 PVD (physical vapor deposition), CVD(chemical vapor deposition) 및 PLD(plasma laser deposition) 방법으로 증착되며, 증착 온도는 -20 ℃ - 1,500 ℃ 이고, 증착시 진공환경은 대기압 ∼ 10-12Torr 인 것을 특징으로 하는 오믹접촉 금속박막의 제조방법.
- 청구항 1 또는 청구항 2에 있어서, 상기 3층 금속박막 증착시 열처리에 사용되는 분위기 가스로는 질소, 아르곤, 헬륨, 산소, 수소 등이 사용되며, 상기 열처리 시간은 1초 ~ 10시간 범위내에서 실시하는 것을 특징으로 하는 오믹접촉 금속박막의 제조방법.
- 청구항 1 또는 청구항 2에 있어서, 상기 3층 금속박막에 해당하는 각층의 두께는 0.1 nm ~ 5,000 nm 인 것을 특징으로 하는 오믹접촉 금속박막의 제조방법.
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KR1020020084012A KR20040057323A (ko) | 2002-12-26 | 2002-12-26 | 발광 다이오드 및 레이저 다이오드 구현을 위한 오믹접촉금속박막의 제조방법 |
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KR1020020084012A KR20040057323A (ko) | 2002-12-26 | 2002-12-26 | 발광 다이오드 및 레이저 다이오드 구현을 위한 오믹접촉금속박막의 제조방법 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2024234298A1 (en) * | 2023-05-16 | 2024-11-21 | Jade Bird Display (shanghai) Limited | Transparent electrode structure for micro led display panel |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2024234298A1 (en) * | 2023-05-16 | 2024-11-21 | Jade Bird Display (shanghai) Limited | Transparent electrode structure for micro led display panel |
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