KR20090023198A - Ⅲ족 질화물 반도체와 그 제조 방법 - Google Patents
Ⅲ족 질화물 반도체와 그 제조 방법 Download PDFInfo
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- KR20090023198A KR20090023198A KR1020080084140A KR20080084140A KR20090023198A KR 20090023198 A KR20090023198 A KR 20090023198A KR 1020080084140 A KR1020080084140 A KR 1020080084140A KR 20080084140 A KR20080084140 A KR 20080084140A KR 20090023198 A KR20090023198 A KR 20090023198A
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- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
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- 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
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- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02436—Intermediate layers between substrates and deposited layers
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- H01L21/02365—Forming inorganic semiconducting materials on a substrate
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- 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
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- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Led Devices (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Chemical Vapour Deposition (AREA)
Abstract
Description
Claims (12)
- 사파이어, SiC, Si 중 어느 하나로 형성된 기판상에, AlN 단결정층이 0.1㎛∼10㎛의 두께로 형성된 AlN 템플릿 기판 또는 AlN 단결정 기판상에 금속층을 성막하는 공정과,상기 금속층을 암모니아 혼합 가스 분위기에서 가열 질화 처리하고, 대략 삼각추 또는 삼각대 형상의 복수의 미세 결정을 가지는 금속 질화물층을 형성하는 공정과,상기 금속 질화물층상에 III족 질화물 반도체층을 성막하는 공정을 포함하는 III족 질화물 반도체의 제조 방법.
- 제1항에 있어서,상기 금속 질화물층을 화학 에칭에 의해 용해시켜 제거하고, 상기 템플릿 기판 또는 AlN 단결정 기판과, 상기 III족 질화물층을 분리함으로써, III족 질화물 반도체의 독립(independent) 기판 또는 반도체 소자를 형성하는 공정을 추가로 포함하는, III족 질화물 반도체의 제조 방법.
- 제1항에 있어서,상기 AlN 템플릿 기판 또는 상기 AlN 단결정 기판의 (0002) X선 록킹 커브(rocking curve)의 반가폭이 200초 이하, (11-20)의 반가폭이 2500초 이하인, III족 질화물 반도체의 제조 방법.
- 제1항에 있어서,상기 금속층은 Cr, V, Zr, Nb, Ti로부터 선택된 적어도 1종류 이상을 포함하는, 단층막·다층막·합금막 중 어느 하나인, III족 질화물 반도체의 제조 방법.
- 제1항에 있어서,상기 암모니아 혼합 가스 분위기에서의 가열 질화 온도가 900∼1200℃의 범위이고, 질화 시간이 1분∼90분인, III족 질화물 반도체의 제조 방법.
- 제1항에 있어서,상기 가열 질화 처리 전의 금속층의 평균 두께가 4∼300nm의 범위인, III족 질화물 반도체의 제조 방법.
- 금속 질화물층 위에 성막된 III족 질화물 반도체층으로 형성된 III족 질화물 반도체로서,상기 금속 질화물층은 대략 삼각추 또는 삼각대 형상의 복수의 미세 결정을 가지는 금속 질화물층이며,상기 금속 질화물층은 사파이어, SiC, Si 중 어느 하나로 형성된 기판상에, AlN 단결정층이 0.1㎛∼10㎛의 두께로 형성된 AlN 템플릿 기판 또는 AlN 단결정 기 판상에 성막된 금속층을, 암모니아 혼합 가스 분위기에서 가열 질화 처리함으로써 형성되는, III족 질화물 반도체.
- 제7항에 있어서,상기 AlN 템플릿 기판 또는 AlN 단결정 기판의 (0002) X선 록킹 커브의 반가폭이 200초 이하, (11-20)의 반가폭이 2500초 이하인, III족 질화물 반도체.
- 제7항에 있어서,상기 금속 질화물은 Cr, V, Zr, Nb, Ti로부터 선택된 적어도 1종류 이상을 포함하는, III족 질화물 반도체.
- 제7항에 있어서,상기 금속 질화물층의 평균 두께가 6∼450nm의 범위인, III족 질화물 반도체.
- III족 질화물 독립 기판으로서,제7항에 기재된 III족 질화물 반도체에서, 상기 금속 질화물층을 화학 에칭에 의해 용해시켜 제거한 것이며.(000-1)N(질소) 극성면에 대략 삼각추 또는 삼각대 형상의 피트(pit) 또는 요부(凹部)를 가진, III족 질화물 독립 기판.
- III족 질화물 반도체 소자로서,제7항에 기재된 III족 질화물 반도체에서, 상기 금속 질화물층을 화학 에칭에 의해 용해시켜 제거한 면인 (000-1)N(질소) 극성면에 대략 삼각추 또는 삼각대 형상 피트 또는 요부를 가진, III족 질화물 반도체 소자.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2007-00221774 | 2007-08-28 | ||
JP2007221774A JP5060875B2 (ja) | 2007-08-28 | 2007-08-28 | Iii族窒化物半導体とその製造方法 |
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KR20090023198A true KR20090023198A (ko) | 2009-03-04 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020080084140A Ceased KR20090023198A (ko) | 2007-08-28 | 2008-08-27 | Ⅲ족 질화물 반도체와 그 제조 방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8216869B2 (ko) |
EP (1) | EP2031642A3 (ko) |
JP (1) | JP5060875B2 (ko) |
KR (1) | KR20090023198A (ko) |
CN (1) | CN101378015B (ko) |
TW (1) | TWI462154B (ko) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100893360B1 (ko) * | 2008-05-02 | 2009-04-15 | (주)그랜드 텍 | 질화갈륨 단결정의 성장을 위한 버퍼층의 형성방법 |
JP5684551B2 (ja) * | 2008-12-26 | 2015-03-11 | Dowaホールディングス株式会社 | Iii族窒化物半導体成長用基板、iii族窒化物半導体エピタキシャル基板、iii族窒化物半導体素子およびiii族窒化物半導体自立基板、ならびに、これらの製造方法 |
EP2378545A4 (en) * | 2008-12-26 | 2013-07-10 | Dowa Holdings Co Ltd | SUBSTRATE FOR THE BREEDING OF A III-NITRIDE SEMICONDUCTOR, EPITACTIC SUBSTRATE FOR III-NITRIDE SEMICONDUCTOR, III-NITRIDE SEMICONDUCTOR ELEMENT, SUBSTITUTING SUBSTRATE FOR III-NITRIDE SEMICONDUCTOR AND METHOD OF PRODUCTION THEREOF |
JP2010278470A (ja) * | 2009-03-27 | 2010-12-09 | Dowa Holdings Co Ltd | Iii族窒化物半導体成長用基板、iii族窒化物半導体エピタキシャル基板、iii族窒化物半導体素子およびiii族窒化物半導体自立基板、ならびに、これらの製造方法 |
KR101321654B1 (ko) * | 2009-03-27 | 2013-10-23 | 도와 일렉트로닉스 가부시키가이샤 | Ⅲ족 질화물 반도체 성장용 기판, ⅲ족 질화물 반도체 에피택셜 기판, ⅲ족 질화물 반도체 소자 및 ⅲ족 질화물 반도체 자립 기판, 및 이들의 제조 방법 |
WO2011077748A1 (ja) * | 2009-12-24 | 2011-06-30 | Dowaエレクトロニクス株式会社 | バーチカル型iii族窒化物半導体発光素子およびその製造方法 |
JP2012015303A (ja) * | 2010-06-30 | 2012-01-19 | Sumitomo Electric Ind Ltd | 半導体基板および半導体装置 |
JP5665463B2 (ja) * | 2010-09-30 | 2015-02-04 | Dowaエレクトロニクス株式会社 | Iii族窒化物半導体素子製造用基板およびiii族窒化物半導体自立基板またはiii族窒化物半導体素子の製造方法 |
WO2012090252A1 (ja) | 2010-12-28 | 2012-07-05 | Dowaエレクトロニクス株式会社 | 半導体装置及びその製造方法 |
CN102610705A (zh) * | 2011-01-24 | 2012-07-25 | 鸿富锦精密工业(深圳)有限公司 | 氮化镓基板的制作方法 |
TWI469389B (zh) * | 2012-06-19 | 2015-01-11 | Lextar Electronics Corp | 垂直式固態發光元件之製程 |
CN116314508A (zh) * | 2023-05-22 | 2023-06-23 | 江西兆驰半导体有限公司 | 一种高光效led外延片及其制备方法、led芯片 |
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JP3809464B2 (ja) * | 1999-12-14 | 2006-08-16 | 独立行政法人理化学研究所 | 半導体層の形成方法 |
JP3841146B2 (ja) * | 2000-06-23 | 2006-11-01 | 豊田合成株式会社 | Iii族窒化物系化合物半導体素子の製造方法 |
JP3631724B2 (ja) * | 2001-03-27 | 2005-03-23 | 日本電気株式会社 | Iii族窒化物半導体基板およびその製造方法 |
JP2005005378A (ja) * | 2003-06-10 | 2005-01-06 | Sumitomo Electric Ind Ltd | Iii族窒化物結晶およびその製造方法 |
JP2005343704A (ja) * | 2004-05-31 | 2005-12-15 | Sumitomo Electric Ind Ltd | AlxGayIn1−x−yN結晶の製造方法 |
EP2197050A1 (en) * | 2005-04-04 | 2010-06-16 | Tohoku Techno Arch Co., Ltd. | Process for producing a GaN-based element |
JP4554469B2 (ja) * | 2005-08-18 | 2010-09-29 | 日本碍子株式会社 | Iii族窒化物結晶の形成方法、積層体、およびエピタキシャル基板 |
JPWO2007023911A1 (ja) | 2005-08-25 | 2009-03-26 | 株式会社 東北テクノアーチ | 半導体基板製造方法 |
JP4462249B2 (ja) * | 2005-09-22 | 2010-05-12 | ソニー株式会社 | 発光ダイオードの製造方法、集積型発光ダイオードの製造方法および窒化物系iii−v族化合物半導体の成長方法 |
US8435879B2 (en) * | 2005-12-12 | 2013-05-07 | Kyma Technologies, Inc. | Method for making group III nitride articles |
JP4238372B2 (ja) * | 2005-12-20 | 2009-03-18 | 株式会社 東北テクノアーチ | 半導体基板の製造方法及び素子構造の製造方法 |
US8013320B2 (en) * | 2006-03-03 | 2011-09-06 | Panasonic Corporation | Nitride semiconductor device and method for fabricating the same |
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2007
- 2007-08-28 JP JP2007221774A patent/JP5060875B2/ja active Active
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2008
- 2008-08-25 TW TW097132368A patent/TWI462154B/zh not_active IP Right Cessation
- 2008-08-26 EP EP08015074.1A patent/EP2031642A3/en not_active Withdrawn
- 2008-08-27 KR KR1020080084140A patent/KR20090023198A/ko not_active Ceased
- 2008-08-27 US US12/230,284 patent/US8216869B2/en active Active
- 2008-08-28 CN CN2008102149034A patent/CN101378015B/zh not_active Expired - Fee Related
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Publication number | Publication date |
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US8216869B2 (en) | 2012-07-10 |
TW200933705A (en) | 2009-08-01 |
JP5060875B2 (ja) | 2012-10-31 |
CN101378015B (zh) | 2012-03-28 |
EP2031642A2 (en) | 2009-03-04 |
JP2009054888A (ja) | 2009-03-12 |
TWI462154B (zh) | 2014-11-21 |
CN101378015A (zh) | 2009-03-04 |
US20090057835A1 (en) | 2009-03-05 |
EP2031642A3 (en) | 2014-07-02 |
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