CA2321118C - Methods of fabricating gallium nitride semiconductor layers by lateral overgrowth through masks, and gallium nitride semiconductor structures fabricated thereby - Google Patents
Methods of fabricating gallium nitride semiconductor layers by lateral overgrowth through masks, and gallium nitride semiconductor structures fabricated thereby Download PDFInfo
- Publication number
- CA2321118C CA2321118C CA002321118A CA2321118A CA2321118C CA 2321118 C CA2321118 C CA 2321118C CA 002321118 A CA002321118 A CA 002321118A CA 2321118 A CA2321118 A CA 2321118A CA 2321118 C CA2321118 C CA 2321118C
- Authority
- CA
- Canada
- Prior art keywords
- gallium nitride
- nitride layer
- layer
- underlying
- growing
- 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.)
- Expired - Lifetime
Links
- 229910002601 GaN Inorganic materials 0.000 title claims abstract description 408
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 title claims abstract description 400
- 239000004065 semiconductor Substances 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 title claims description 34
- 208000012868 Overgrowth Diseases 0.000 title description 14
- 238000004377 microelectronic Methods 0.000 claims abstract description 27
- 230000000873 masking effect Effects 0.000 claims abstract description 13
- 230000007547 defect Effects 0.000 claims description 55
- 239000000758 substrate Substances 0.000 claims description 39
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 24
- RGGPNXQUMRMPRA-UHFFFAOYSA-N triethylgallium Chemical compound CC[Ga](CC)CC RGGPNXQUMRMPRA-UHFFFAOYSA-N 0.000 claims description 19
- 238000000927 vapour-phase epitaxy Methods 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 229910021529 ammonia Inorganic materials 0.000 claims description 7
- 238000003491 array Methods 0.000 claims description 3
- 230000001902 propagating effect Effects 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 18
- 239000000463 material Substances 0.000 description 13
- 229910010271 silicon carbide Inorganic materials 0.000 description 10
- 229910052681 coesite Inorganic materials 0.000 description 7
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 7
- 229910052906 cristobalite Inorganic materials 0.000 description 7
- 229910052682 stishovite Inorganic materials 0.000 description 7
- 229910052905 tridymite Inorganic materials 0.000 description 7
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 6
- 229910052733 gallium Inorganic materials 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- 235000012239 silicon dioxide Nutrition 0.000 description 6
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 5
- 125000002524 organometallic group Chemical group 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- 239000003085 diluting agent Substances 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- 238000004581 coalescence Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000000407 epitaxy Methods 0.000 description 3
- 230000005693 optoelectronics Effects 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 230000000877 morphologic effect Effects 0.000 description 2
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910000807 Ga alloy Inorganic materials 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910007991 Si-N Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910006294 Si—N Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- RNQKDQAVIXDKAG-UHFFFAOYSA-N aluminum gallium Chemical compound [Al].[Ga] RNQKDQAVIXDKAG-UHFFFAOYSA-N 0.000 description 1
- AJGDITRVXRPLBY-UHFFFAOYSA-N aluminum indium Chemical compound [Al].[In] AJGDITRVXRPLBY-UHFFFAOYSA-N 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
Classifications
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/0237—Materials
-
- 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
- H01L21/02373—Group 14 semiconducting materials
- H01L21/02378—Silicon carbide
-
- 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
-
- 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
- H01L21/02494—Structure
- H01L21/02496—Layer structure
- H01L21/02502—Layer structure consisting of two layers
-
- 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
- H01L21/02636—Selective deposition, e.g. simultaneous growth of mono- and non-monocrystalline semiconductor materials
- H01L21/02639—Preparation of substrate for selective deposition
-
- 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
- H01L21/02636—Selective deposition, e.g. simultaneous growth of mono- and non-monocrystalline semiconductor materials
- H01L21/02647—Lateral overgrowth
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
- H01L33/0062—Processes for devices with an active region comprising only III-V compounds
- H01L33/0066—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound
- H01L33/007—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound comprising nitride compounds
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Recrystallisation Techniques (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/032,190 US6051849A (en) | 1998-02-27 | 1998-02-27 | Gallium nitride semiconductor structures including a lateral gallium nitride layer that extends from an underlying gallium nitride layer |
| US09/032,190 | 1998-02-27 | ||
| US09/031,843 | 1998-02-27 | ||
| US09/031,843 US6608327B1 (en) | 1998-02-27 | 1998-02-27 | Gallium nitride semiconductor structure including laterally offset patterned layers |
| PCT/US1999/004346 WO1999044224A1 (en) | 1998-02-27 | 1999-02-26 | Methods of fabricating gallium nitride semiconductor layers by lateral overgrowth through masks, and gallium nitride semiconductor structures fabricated thereby |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2321118A1 CA2321118A1 (en) | 1999-09-02 |
| CA2321118C true CA2321118C (en) | 2008-06-03 |
Family
ID=26707683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002321118A Expired - Lifetime CA2321118C (en) | 1998-02-27 | 1999-02-26 | Methods of fabricating gallium nitride semiconductor layers by lateral overgrowth through masks, and gallium nitride semiconductor structures fabricated thereby |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1070340A1 (ja) |
| JP (1) | JP2002505519A (ja) |
| KR (1) | KR100610396B1 (ja) |
| CN (1) | CN1143363C (ja) |
| AU (1) | AU2795699A (ja) |
| CA (1) | CA2321118C (ja) |
| WO (1) | WO1999044224A1 (ja) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0942459B1 (en) | 1997-04-11 | 2012-03-21 | Nichia Corporation | Method of growing nitride semiconductors |
| US6265289B1 (en) | 1998-06-10 | 2001-07-24 | North Carolina State University | Methods of fabricating gallium nitride semiconductor layers by lateral growth from sidewalls into trenches, and gallium nitride semiconductor structures fabricated thereby |
| JP4529215B2 (ja) * | 1999-10-29 | 2010-08-25 | 日亜化学工業株式会社 | 窒化物半導体の成長方法 |
| US6380108B1 (en) | 1999-12-21 | 2002-04-30 | North Carolina State University | Pendeoepitaxial methods of fabricating gallium nitride semiconductor layers on weak posts, and gallium nitride semiconductor structures fabricated thereby |
| US6403451B1 (en) | 2000-02-09 | 2002-06-11 | Noerh Carolina State University | Methods of fabricating gallium nitride semiconductor layers on substrates including non-gallium nitride posts |
| WO2001059819A1 (en) * | 2000-02-09 | 2001-08-16 | North Carolina State University | Methods of fabricating gallium nitride semiconductor layers on substrates including non-gallium nitride posts, and gallium nitride semiconductor structures fabricated thereby |
| US6261929B1 (en) | 2000-02-24 | 2001-07-17 | North Carolina State University | Methods of forming a plurality of semiconductor layers using spaced trench arrays |
| TW518767B (en) * | 2000-03-31 | 2003-01-21 | Toyoda Gosei Kk | Production method of III nitride compound semiconductor and III nitride compound semiconductor element |
| JP4291527B2 (ja) | 2000-10-13 | 2009-07-08 | 日本碍子株式会社 | Ｉｉｉ族窒化物エピタキシャル基板の使用方法 |
| JP4920152B2 (ja) * | 2001-10-12 | 2012-04-18 | 住友電気工業株式会社 | 構造基板の製造方法および半導体素子の製造方法 |
| JP2005522888A (ja) * | 2002-04-15 | 2005-07-28 | ザ リージェント オブ ザ ユニバーシティ オブ カリフォルニア | 非極性（Ａｌ，Ｂ，Ｉｎ，Ｇａ）Ｎ量子井戸、ならびにヘテロ構造材料およびデバイス |
| US6876009B2 (en) * | 2002-12-09 | 2005-04-05 | Nichia Corporation | Nitride semiconductor device and a process of manufacturing the same |
| US7012314B2 (en) | 2002-12-18 | 2006-03-14 | Agere Systems Inc. | Semiconductor devices with reduced active region defects and unique contacting schemes |
| US7453129B2 (en) | 2002-12-18 | 2008-11-18 | Noble Peak Vision Corp. | Image sensor comprising isolated germanium photodetectors integrated with a silicon substrate and silicon circuitry |
| KR100960764B1 (ko) * | 2003-01-28 | 2010-06-01 | 엘지전자 주식회사 | 레이저 발광 다이오드 및 그 제조 방법 |
| FR2855650B1 (fr) * | 2003-05-30 | 2006-03-03 | Soitec Silicon On Insulator | Substrats pour systemes contraints et procede de croissance cristalline sur un tel substrat |
| US7622318B2 (en) | 2004-03-30 | 2009-11-24 | Sony Corporation | Method for producing structured substrate, structured substrate, method for producing semiconductor light emitting device, semiconductor light emitting device, method for producing semiconductor device, semiconductor device, method for producing device, and device |
| KR100735488B1 (ko) * | 2006-02-03 | 2007-07-04 | 삼성전기주식회사 | 질화갈륨계 발광다이오드 소자의 제조방법 |
| KR100773555B1 (ko) * | 2006-07-21 | 2007-11-06 | 삼성전자주식회사 | 저결함 반도체 기판 및 그 제조방법 |
| US7825432B2 (en) * | 2007-03-09 | 2010-11-02 | Cree, Inc. | Nitride semiconductor structures with interlayer structures |
| US8362503B2 (en) | 2007-03-09 | 2013-01-29 | Cree, Inc. | Thick nitride semiconductor structures with interlayer structures |
| JP4638958B1 (ja) * | 2009-08-20 | 2011-02-23 | 株式会社パウデック | 半導体素子の製造方法 |
| CN102427101B (zh) * | 2011-11-30 | 2014-05-07 | 李园 | 半导体结构及其形成方法 |
| WO2013154485A1 (en) * | 2012-04-13 | 2013-10-17 | Sun Yanting | A method for manufacturing a semiconductor method device based on epitaxial growth. |
| WO2016184523A1 (de) * | 2015-05-21 | 2016-11-24 | Ev Group E. Thallner Gmbh | Verfahren zur aufbringung einer überwuchsschicht auf eine keimschicht |
| CN106469648B (zh) * | 2015-08-31 | 2019-12-13 | 中国科学院微电子研究所 | 一种外延结构及方法 |
| WO2021237528A1 (zh) * | 2020-05-27 | 2021-12-02 | 苏州晶湛半导体有限公司 | Ⅲ族氮化物结构及其制作方法 |
| US20230335400A1 (en) * | 2020-06-22 | 2023-10-19 | Kyocera Corporation | Method for producing semiconductor device, semiconductor device, electronic device, method for producing semiconductor epitaxial substrate, and semiconductor epitaxial substrate |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04127521A (ja) * | 1990-09-19 | 1992-04-28 | Fujitsu Ltd | 半導体基板の製造方法 |
| JPH04303920A (ja) * | 1991-03-29 | 1992-10-27 | Nec Corp | Ｉｖ族基板上の絶縁膜／ｉｉｉ −ｖ族化合物半導体積層構造 |
| DE69622277T2 (de) * | 1995-09-18 | 2003-03-27 | Hitachi, Ltd. | Halbleitermaterial, verfahren zur herstellung des halbleitermaterials und eine halbleitervorrichtung |
| JP3757339B2 (ja) * | 1995-12-26 | 2006-03-22 | 富士通株式会社 | 化合物半導体装置の製造方法 |
| JPH09219540A (ja) * | 1996-02-07 | 1997-08-19 | Rikagaku Kenkyusho | ＧａＮ薄膜の形成方法 |
| JP3139445B2 (ja) * | 1997-03-13 | 2001-02-26 | 日本電気株式会社 | ＧａＮ系半導体の成長方法およびＧａＮ系半導体膜 |
| JPH10326912A (ja) * | 1997-03-25 | 1998-12-08 | Mitsubishi Cable Ind Ltd | 無転位ＧａＮ基板の製造方法及びＧａＮ基材 |
| JPH11191657A (ja) * | 1997-04-11 | 1999-07-13 | Nichia Chem Ind Ltd | 窒化物半導体の成長方法及び窒化物半導体素子 |
| JPH10321529A (ja) * | 1997-05-22 | 1998-12-04 | Nippon Telegr & Teleph Corp <Ntt> | ２層選択成長法 |
| JPH11135770A (ja) * | 1997-09-01 | 1999-05-21 | Sumitomo Chem Co Ltd | ３−５族化合物半導体とその製造方法および半導体素子 |
| JP3925753B2 (ja) * | 1997-10-24 | 2007-06-06 | ソニー株式会社 | 半導体素子およびその製造方法ならびに半導体発光素子 |
-
1999
- 1999-02-26 KR KR1020007009261A patent/KR100610396B1/ko not_active IP Right Cessation
- 1999-02-26 WO PCT/US1999/004346 patent/WO1999044224A1/en not_active Application Discontinuation
- 1999-02-26 JP JP2000533892A patent/JP2002505519A/ja active Pending
- 1999-02-26 EP EP99908553A patent/EP1070340A1/en not_active Ceased
- 1999-02-26 CA CA002321118A patent/CA2321118C/en not_active Expired - Lifetime
- 1999-02-26 AU AU27956/99A patent/AU2795699A/en not_active Abandoned
- 1999-02-26 CN CNB998034002A patent/CN1143363C/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR100610396B1 (ko) | 2006-08-09 |
| CN1292149A (zh) | 2001-04-18 |
| KR20010041192A (ko) | 2001-05-15 |
| CA2321118A1 (en) | 1999-09-02 |
| EP1070340A1 (en) | 2001-01-24 |
| AU2795699A (en) | 1999-09-15 |
| JP2002505519A (ja) | 2002-02-19 |
| WO1999044224A1 (en) | 1999-09-02 |
| CN1143363C (zh) | 2004-03-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20190226 |
|
| MKEX | Expiry |
Effective date: 20190226 |