KR20110120019A - 반도체 소자 - Google Patents
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- KR20110120019A KR20110120019A KR1020100039499A KR20100039499A KR20110120019A KR 20110120019 A KR20110120019 A KR 20110120019A KR 1020100039499 A KR1020100039499 A KR 1020100039499A KR 20100039499 A KR20100039499 A KR 20100039499A KR 20110120019 A KR20110120019 A KR 20110120019A
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- H10H20/80—Constructional details
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- H10H20/815—Bodies having stress relaxation structures, e.g. buffer layers
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
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- 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
- H01L21/02505—Layer structure consisting of more than two layers
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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
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02494—Structure
- H01L21/02496—Layer structure
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- H01L21/02104—Forming layers
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- H—ELECTRICITY
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- H—ELECTRICITY
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- H10H20/80—Constructional details
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- H10H20/816—Bodies having carrier transport control structures, e.g. highly-doped semiconductor layers or current-blocking structures
- H10H20/8162—Current-blocking structures
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Abstract
개시된 반도체 소자는 이웃하는 클래드 층 사이에 복수 개의 중간층을 구비하여 결함 밀도와 인장 응력을 감소시킨다.
Description
도 2는 본 발명의 다른 실시예에 따른 반도체 소자의 단면도를 도시한 것이다.
도 3은 본 발명의 또 다른 실시예에 따른 반도체 소자의 단면도를 도시한 것이다.
도 4는 본 발명의 또 다른 실시예에 따른 반도체 소자의 단면도를 도시한 것이다.
도 5는 본 발명의 또 다른 실시예에 따른 반도체 소자의 단면도를 도시한 것이다.
도 6은 중간층이 없는 비교예의 반도체 소자와 본 발명의 실시예에 따라 복수 개의 중간층을 구비한 반도체 소자를 비교하여 나타낸 것이다.
12,4,112,212,312,412...버퍼층,
18,20,116,118,214,216,316,318,416,418...중간층
16,22,114,120,218,314,320,414,420...n형 클래드층
Claims (10)
- 기판;
상기 기판 위에 구비된 복수 개의 n형 클래드층;
상기 이웃하는 n형 클래드층 사이에 구비된 복수 개의 중간층;을 포함하는 반도체 소자. - 제1항에 있어서,
상기 기판은 실리콘 기판 또는 실리콘 카바이드 기판을 포함하는 반도체 소자. - 제1항에 있어서,
상기 n형 클래드층은 질화물 반도체층을 포함하는 반도체 소자. - 제3항에 있어서,
상기 n형 클래드층은 질화갈륨층을 포함하는 반도체 소자. - 제1항 내지 제4항 중 어느 한 항에 있어서,
상기 중간층은 AlxInyGa1-x-yN (0≤x,y≤1, x≠y)으로 이루어진 제1중간층과, 상기 제1중간층의 위에 구비된 것으로 스텝 그레이드 AlxGa1-xN(0≤x≤1), 스텝 그레이드 AlxInyGa1-x-yN (0≤x,y≤1, x≠y), AlN/GaN 초격자, AlxInyGa1-x-yN/AlxInyGa1-x-yN(0≤x,y≤1, x≠y) 초격자로 이루어진 그룹으로부터 선택된 어느 하나를 포함하는 물질로 이루어진 제2중간층을 포함하는 반도체 소자. - 제5항에 있어서,
상기 기판과 복수 개의 n형 클래드층 중 기판에 가장 가까운 제1 n형 클래드층 사이에 적어도 하나의 버퍼층을 포함하는 반도체 소자. - 제6항에 있어서,
상기 적어도 하나의 버퍼층은 AlN으로 이루어진 제1버퍼층과, 스텝 그레이드 AlxGa1-xN(0≤x≤1), 스텝 그레이드 AlxInyGa1-x-yN (0≤x,y≤1, x≠y), AlN/GaN 초격자, AlxInyGa1-x-yN/AlxInyGa1-x-yN(0≤x,y≤1, x≠y) 초격자로 이루어진 그룹으로부터 선택된 어느 하나를 포함하는 물질로 이루어진 제2버퍼층을 포함하는 반도체 소자. - 제6항에 있어서,
상기 적어도 하나의 버퍼층은 AlN으로 이루어진 제1버퍼층을 포함하는 반도체 소자. - 제6항에 있어서,
상기 적어도 하나의 버퍼층은 AlN/GaN 초격자 또는 AlxInyGa1-x-yN/AlxInyGa1-x-yN(0≤x,y≤1, x≠y) 초격자로 이루어진 제1버퍼층을 포함하는 반도체 소자. - 제1항 내지 제4항 중 어느 한 항에 있어서,
상기 복수 개의 중간층은 위층으로 갈수록 알루미늄의 몰비율이 줄어드는 반도체 소자.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100039499A KR20110120019A (ko) | 2010-04-28 | 2010-04-28 | 반도체 소자 |
US13/064,889 US8957432B2 (en) | 2010-04-28 | 2011-04-25 | Semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020100039499A KR20110120019A (ko) | 2010-04-28 | 2010-04-28 | 반도체 소자 |
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KR20110120019A true KR20110120019A (ko) | 2011-11-03 |
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KR1020100039499A Ceased KR20110120019A (ko) | 2010-04-28 | 2010-04-28 | 반도체 소자 |
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US (1) | US8957432B2 (ko) |
KR (1) | KR20110120019A (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9660133B2 (en) | 2013-09-23 | 2017-05-23 | Sensor Electronic Technology, Inc. | Group III nitride heterostructure for optoelectronic device |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5551131B2 (ja) * | 2011-09-14 | 2014-07-16 | 株式会社東芝 | 窒化物半導体積層構造体の製造方法 |
US9691855B2 (en) * | 2012-02-17 | 2017-06-27 | Epistar Corporation | Method of growing a high quality III-V compound layer on a silicon substrate |
JP5319810B2 (ja) * | 2012-03-08 | 2013-10-16 | 株式会社東芝 | 窒化物半導体層の製造方法 |
KR102002898B1 (ko) * | 2012-09-04 | 2019-07-23 | 삼성전자 주식회사 | 반도체 버퍼 구조체 및 이를 포함하는 반도체 소자 |
US9190270B2 (en) | 2013-06-04 | 2015-11-17 | Samsung Electronics Co., Ltd. | Low-defect semiconductor device and method of manufacturing the same |
JP6138359B2 (ja) * | 2013-06-11 | 2017-05-31 | オスラム オプト セミコンダクターズ ゲゼルシャフト ミット ベシュレンクテル ハフツングOsram Opto Semiconductors GmbH | 窒化物系化合物半導体素子を製造する方法 |
TWI574407B (zh) * | 2013-08-16 | 2017-03-11 | 晶元光電股份有限公司 | 半導體功率元件 |
US20160293399A1 (en) * | 2015-04-03 | 2016-10-06 | Hermes-Epitek Corp. | Semiconductor multilayer structure and fabrication method thereof |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001313421A (ja) | 2000-02-21 | 2001-11-09 | Sanken Electric Co Ltd | 半導体発光素子及びその製造方法 |
JP2001274457A (ja) | 2000-03-24 | 2001-10-05 | Sanken Electric Co Ltd | 半導体発光素子 |
JP4058592B2 (ja) | 2001-08-20 | 2008-03-12 | サンケン電気株式会社 | 半導体発光素子及びその製造方法 |
JP2003059948A (ja) | 2001-08-20 | 2003-02-28 | Sanken Electric Co Ltd | 半導体装置及びその製造方法 |
JP4058593B2 (ja) | 2001-08-20 | 2008-03-12 | サンケン電気株式会社 | 半導体発光素子 |
JP4058594B2 (ja) | 2001-08-20 | 2008-03-12 | サンケン電気株式会社 | 半導体発光素子 |
JP4210823B2 (ja) | 2001-08-20 | 2009-01-21 | サンケン電気株式会社 | シヨットキバリアダイオード及びその製造方法 |
JP3978581B2 (ja) | 2001-12-12 | 2007-09-19 | サンケン電気株式会社 | 半導体発光素子及びその製造方法 |
JP4041908B2 (ja) | 2001-12-19 | 2008-02-06 | サンケン電気株式会社 | 半導体発光素子の製造方法 |
JP4725763B2 (ja) | 2003-11-21 | 2011-07-13 | サンケン電気株式会社 | 半導体素子形成用板状基体の製造方法 |
US8030641B2 (en) * | 2006-12-19 | 2011-10-04 | Lehigh University | Graded in content gallium nitride-based device and method |
US8415654B2 (en) * | 2008-03-27 | 2013-04-09 | Nitek, Inc. | Low resistance ultraviolet light emitting device and method of fabricating the same |
US20110089399A1 (en) * | 2009-10-09 | 2011-04-21 | The Regents Of The University Of California | Light emitting device with a stair quantum well structure |
-
2010
- 2010-04-28 KR KR1020100039499A patent/KR20110120019A/ko not_active Ceased
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2011
- 2011-04-25 US US13/064,889 patent/US8957432B2/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9660133B2 (en) | 2013-09-23 | 2017-05-23 | Sensor Electronic Technology, Inc. | Group III nitride heterostructure for optoelectronic device |
US10535793B2 (en) | 2013-09-23 | 2020-01-14 | Sensor Electronic Technology, Inc. | Group III nitride heterostructure for optoelectronic device |
USRE48943E1 (en) | 2013-09-23 | 2022-02-22 | Sensor Electronic Technology, Inc. | Group III nitride heterostructure for optoelectronic device |
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US8957432B2 (en) | 2015-02-17 |
US20110266522A1 (en) | 2011-11-03 |
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