KR20120088756A - Led용 사파이어 단결정 기판을 제조하기 위한 사파이어 단결정, led용 사파이어 단결정 기판, 발광 소자 및 그것들의 제조 방법 - Google Patents
Led용 사파이어 단결정 기판을 제조하기 위한 사파이어 단결정, led용 사파이어 단결정 기판, 발광 소자 및 그것들의 제조 방법 Download PDFInfo
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- KR20120088756A KR20120088756A KR1020127013401A KR20127013401A KR20120088756A KR 20120088756 A KR20120088756 A KR 20120088756A KR 1020127013401 A KR1020127013401 A KR 1020127013401A KR 20127013401 A KR20127013401 A KR 20127013401A KR 20120088756 A KR20120088756 A KR 20120088756A
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- sapphire single
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- 239000013078 crystal Substances 0.000 title claims abstract description 165
- 229910052594 sapphire Inorganic materials 0.000 title claims abstract description 123
- 239000010980 sapphire Substances 0.000 title claims abstract description 123
- 239000000758 substrate Substances 0.000 title claims abstract description 113
- 238000000034 method Methods 0.000 title claims description 33
- 238000004519 manufacturing process Methods 0.000 claims abstract description 24
- 239000012535 impurity Substances 0.000 claims abstract description 21
- 238000002844 melting Methods 0.000 claims abstract description 3
- 230000008018 melting Effects 0.000 claims abstract description 3
- 239000004065 semiconductor Substances 0.000 claims description 41
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 13
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 claims description 5
- 229910052741 iridium Inorganic materials 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 11
- 239000012298 atmosphere Substances 0.000 abstract description 4
- 239000011261 inert gas Substances 0.000 abstract description 3
- 239000010936 titanium Substances 0.000 description 38
- 239000002994 raw material Substances 0.000 description 17
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 12
- 239000000155 melt Substances 0.000 description 10
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 9
- 239000010409 thin film Substances 0.000 description 8
- 238000000137 annealing Methods 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 238000001036 glow-discharge mass spectrometry Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005498 polishing Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000004040 coloring Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000005231 Edge Defined Film Fed Growth Methods 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009402 cross-breeding Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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Classifications
-
- 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
- C30B29/16—Oxides
- C30B29/20—Aluminium oxides
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/81—Bodies
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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
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
- C30B15/02—Single-crystal growth by pulling from a melt, e.g. Czochralski method adding crystallising materials or reactants forming it in situ to the melt
- C30B15/04—Single-crystal growth by pulling from a melt, e.g. Czochralski method adding crystallising materials or reactants forming it in situ to the melt adding doping materials, e.g. for n-p-junction
-
- 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
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
- C30B33/02—Heat treatment
-
- 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
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/0242—Crystalline insulating materials
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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
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02439—Materials
- H01L21/02455—Group 13/15 materials
- H01L21/02458—Nitrides
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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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/01—Manufacture or treatment
- H10H20/011—Manufacture or treatment of bodies, e.g. forming semiconductor layers
- H10H20/013—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials
- H10H20/0133—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials with a substrate not being Group III-V materials
- H10H20/01335—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials with a substrate not being Group III-V materials the light-emitting regions comprising nitride materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Led Devices (AREA)
Abstract
Description
도 2는 도 1의 공정에서 제조한 LED용 사파이어 단결정 기판을 사용한 발광 소자의 제조 공정의 일례를 나타내는 도면이다.
도 3은 실시 형태에 관한 사파이어 단결정 기판을 사용한 발광 소자의 예를 나타내는 도면이다.
12: 버퍼층
14: n형 반도체층
16: 발광층
18: p형 반도체층
20: 투광성 전극
22: 정극 본딩 패드 전극
24: 부극
Claims (6)
- Ti 함유량이 12ppm 초과 100ppm 이하인 것을 특징으로 하는 LED용 사파이어 단결정 기판을 제조하기 위한 사파이어 단결정.
- Ti 함유량이 12ppm 초과 100ppm 이하인 것을 특징으로 하는 LED용 사파이어 단결정 기판.
- 제2항에 기재된 사파이어 단결정 기판 상에 GaN계 반도체층이 형성되어 있는 것을 특징으로 하는 발광 소자.
- Ti 함유량이 12ppm 초과 2500ppm 이하의 범위인 산화 알루미늄을 용융하고,
상기 용융된 산화 알루미늄을 회전시키면서 인상하여 사파이어 단결정의 잉곳의 견부, 직동부 및 꼬리부를 형성하고,
상기 잉곳으로부터 사파이어 단결정 기판을 잘라내고,
상기 잘라낸 사파이어 단결정 기판을 열처리한 후 그 표면을 경면 가공하고,
상기 경면 가공한 사파이어 단결정 기판 표면에 요철을 형성한 것을 특징으로 하는 LED용 사파이어 단결정 기판의 제조 방법. - LED용 사파이어 단결정 기판의 제조 방법이며,
상기 기판의 Ti 함유량이 12ppm 초과 100ppm 이하의 범위이며, 그 밖의 불순물 원소로서 V, Mg, Ga, Ir, Si, Na, B 및 P로 이루어지는 군으로부터 선택된 적어도 1종의 원소를 1ppm 내지 0.01ppm의 범위로 함유하는 사파이어 단결정 기판을, 열처리하여 투명화하는 공정
을 포함하는 것을 특징으로 하는 LED용 사파이어 단결정 기판의 제조 방법. - 제4항에 기재된 LED용 사파이어 단결정 기판의 제조 방법에 의해 제조한 LED용 사파이어 단결정 기판 상에 AlN으로 이루어지는 버퍼층을 형성하고,
상기 버퍼층 상에 MOCVD법에 의해, GaN계 화합물 반도체로 이루어지는 하지층, n형 반도체층, 발광층 및 p형 반도체층을 형성하고,
상기 p형 반도체층 상에 정극을 형성하고, 상기 n형 반도체층 상에 부극을 형성하는
것을 특징으로 하는 발광 소자의 제조 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JPJP-P-2009-269154 | 2009-11-26 | ||
JP2009269154 | 2009-11-26 | ||
PCT/JP2010/070989 WO2011065403A1 (ja) | 2009-11-26 | 2010-11-25 | Led用サファイア単結晶基板を製造するためのサファイア単結晶、led用サファイア単結晶基板、発光素子及びそれらの製造方法 |
Publications (1)
Publication Number | Publication Date |
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KR20120088756A true KR20120088756A (ko) | 2012-08-08 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020127013401A KR20120088756A (ko) | 2009-11-26 | 2010-11-25 | Led용 사파이어 단결정 기판을 제조하기 위한 사파이어 단결정, led용 사파이어 단결정 기판, 발광 소자 및 그것들의 제조 방법 |
Country Status (4)
Country | Link |
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KR (1) | KR20120088756A (ko) |
CN (1) | CN102612575A (ko) |
TW (1) | TW201130156A (ko) |
WO (1) | WO2011065403A1 (ko) |
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JP2013098298A (ja) * | 2011-10-31 | 2013-05-20 | Toyoda Gosei Co Ltd | Iii族窒化物半導体発光素子の製造方法 |
JP2013245149A (ja) * | 2012-05-28 | 2013-12-09 | Sumitomo Chemical Co Ltd | サファイア単結晶製造用原料アルミナ及びサファイア単結晶の製造方法 |
JP2014162673A (ja) * | 2013-02-25 | 2014-09-08 | Tokuyama Corp | サファイア単結晶コアおよびその製造方法 |
CN107407006B (zh) * | 2015-03-26 | 2020-09-01 | 京瓷株式会社 | 蓝宝石部件、及蓝宝石部件的制造方法 |
WO2017168643A1 (ja) * | 2016-03-30 | 2017-10-05 | 株式会社ニコン | 酸化アルミニウム、酸化アルミニウムの製造方法、および光学部品 |
CN106764483B (zh) * | 2016-11-30 | 2018-06-12 | 深圳市耀铭豪智能科技有限公司 | 一种led照明装置的制备方法 |
JPWO2021049170A1 (ko) * | 2019-09-11 | 2021-03-18 |
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JPS59152289A (ja) * | 1983-02-16 | 1984-08-30 | Seiko Epson Corp | スタ−ブル−サフアイヤの製造方法 |
JPH0818908B2 (ja) * | 1986-10-27 | 1996-02-28 | 住友化学工業株式会社 | ベルヌ−イ法単結晶用原料アルミナ粉末 |
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JP2005085888A (ja) * | 2003-09-05 | 2005-03-31 | Kyocera Corp | 半導体素子用単結晶サファイア基板とその製造方法及びこれを用いたGaN系半導体発光素子並びにGaN系半導体白色発光素子 |
JP4908381B2 (ja) * | 2006-12-22 | 2012-04-04 | 昭和電工株式会社 | Iii族窒化物半導体層の製造方法、及びiii族窒化物半導体発光素子、並びにランプ |
JP4844429B2 (ja) * | 2007-02-26 | 2011-12-28 | 日立化成工業株式会社 | サファイア単結晶の製造方法 |
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- 2010-11-25 TW TW099140694A patent/TW201130156A/zh unknown
- 2010-11-25 CN CN2010800516547A patent/CN102612575A/zh active Pending
- 2010-11-25 KR KR1020127013401A patent/KR20120088756A/ko not_active Application Discontinuation
- 2010-11-25 WO PCT/JP2010/070989 patent/WO2011065403A1/ja active Application Filing
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Publication number | Publication date |
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CN102612575A (zh) | 2012-07-25 |
TW201130156A (en) | 2011-09-01 |
WO2011065403A1 (ja) | 2011-06-03 |
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