KR20130106263A - 화합물 반도체 장치 및 그 제조 방법 - Google Patents
화합물 반도체 장치 및 그 제조 방법 Download PDFInfo
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- H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
- H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
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- H10D30/471—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT]
- H10D30/475—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] having wider bandgap layer formed on top of lower bandgap active layer, e.g. undoped barrier HEMTs such as i-AlGaN/GaN HEMTs
- H10D30/4755—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] having wider bandgap layer formed on top of lower bandgap active layer, e.g. undoped barrier HEMTs such as i-AlGaN/GaN HEMTs having wide bandgap charge-carrier supplying layers, e.g. modulation doped HEMTs such as n-AlGaAs/GaAs HEMTs
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- H10D62/85—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group III-V materials, e.g. GaAs
- H10D62/8503—Nitride Group III-V materials, e.g. AlN or GaN
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- H10D62/85—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group III-V materials, e.g. GaAs
- H10D62/854—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group III-V materials, e.g. GaAs further characterised by the dopants
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Abstract
AlGaN/GaN·HEMT는, SiC 기판(1) 위에, 화합물 반도체 적층 구조(2)와, 화합물 반도체 적층 구조의 상방에 형성된 게이트 전극(9)을 구비하고 있고, 화합물 반도체 적층 구조(2)의 게이트 전극(9)에 위치 정합한 하방의 영역에서, 화합물 반도체 적층 구조(2)에 생성한 2차원 전자 가스의 일부를 소실시키는 깊이까지 p형 불순물(Mg) 및 산소(O)가 국재한다.
Description
도 2는 도 1에 이어서, 제1 실시 형태에 따른 AlGaN/GaN·HEMT의 제조 방법을 공정순으로 도시하는 개략 단면도.
도 3은 도 2에 이어서, 제1 실시 형태에 따른 AlGaN/GaN·HEMT의 제조 방법을 공정순으로 도시하는 개략 단면도.
도 4는 도 3에 이어서, 제1 실시 형태에 따른 AlGaN/GaN·HEMT의 제조 방법을 공정순으로 도시하는 개략 단면도.
도 5는 제2 실시 형태에 따른 AlGaN/GaN·HEMT의 제조 방법의 주요 공정을 도시하는 개략 단면도.
도 6은 제1 또는 제2 실시 형태에 따른 AlGaN/GaN·HEMT를 이용한 HEMT칩을 도시하는 개략 평면도.
도 7은 제1 또는 제2 실시 형태에 따른 AlGaN/GaN·HEMT를 이용한 HEMT칩의 디스크리트 패키지를 도시하는 개략 평면도.
도 8은 제3 실시 형태에 따른 PFC 회로를 도시하는 결선도.
도 9는 제4 실시 형태에 따른 전원 장치의 개략 구성을 도시하는 결선도.
도 10은 제5 실시 형태에 따른 고주파 증폭기의 개략 구성을 도시하는 결선도.
2 : 화합물 반도체 적층 구조
2a : 핵 형성층
2b : 전자 주행층
2c : 중간층
2d : 전자 공급층
2e : 캡층
2eA, 2eB : 개구
3, 3a : MgO층
4 : 보호막
5 : Mg 확산 영역
6 : 소자 분리 구조
7 : 소스 전극
8 : 드레인 전극
9 : 게이트 절연막
20 : PFC 회로
21, 34a, 34b, 34c, 34d, 35a, 35b, 35c : 스위치 소자
22 : 다이오드
23 : 초크 코일
24, 25 : 컨덴서
26 : 다이오드 브릿지
30 : 풀 브릿지 인버터 회로
31 : 1차측 회로
32 : 2차측 회로
33 : 트랜스포머
41 : 디지털·프리디스토션 회로
42a, 42b : 믹서
43 : 파워 앰프
100 : HEMT칩
101 : 트랜지스터 영역
102 : 드레인 패드
103 : 게이트 패드
104 : 소스 패드
111 : 다이 어태치제
112 : 리드 프레임
112a : 드레인 리드
112b : 게이트 리드
112c : 소스 리드
113 : Al 와이어
114 : 몰드 수지
Claims (10)
- 화합물 반도체 적층 구조와,
상기 화합물 반도체 적층 구조의 상방에 형성된 전극
을 포함하고,
상기 화합물 반도체 적층 구조의 상기 전극에 위치 정합한 하방의 영역에서, 상기 화합물 반도체 적층 구조에 생성한 2차원 전자 가스의 일부를 소실시키는 깊이까지 p형 불순물이 국재(局在)하는 것을 특징으로 하는 화합물 반도체 장치. - 제1항에 있어서,
상기 화합물 반도체 적층 구조의 상기 전극에 위치 정합한 하방의 영역에서, 상기 화합물 반도체 적층 구조에 생성한 2차원 전자 가스의 일부를 소실시키는 깊이까지 상기 p형 불순물 및 산소가 국재하는 것을 특징으로 하는 화합물 반도체 장치. - 제1항 또는 제2항에 있어서,
상기 화합물 반도체 적층 구조와 상기 전극 사이에 형성된 절연막을 더 포함하는 것을 특징으로 하는 화합물 반도체 장치. - 제3항에 있어서,
상기 절연막은, 상기 p형 불순물의 열 확산원으로서 이용된, 상기 p형 불순물의 화합물층인 것을 특징으로 하는 화합물 반도체 장치. - 제1항 또는 제2항에 있어서,
상기 p형 불순물은, Mg 또는 Be인 것을 특징으로 하는 화합물 반도체 장치. - 화합물 반도체 적층 구조의 상방에 있어서의 전극 형성 영역에 p형 불순물의 화합물층을 형성하는 공정과,
상기 화합물층을 열처리하고, 상기 화합물 반도체 적층 구조에 생성한 2차원 전자 가스의 일부를 소실시키는 깊이까지, 상기 화합물층의 상기 p형 불순물을 확산시키는 공정
을 포함하는 것을 특징으로 하는 화합물 반도체 장치의 제조 방법. - 제6항에 있어서,
화합물 반도체 적층 구조의 상방을 덮도록 형성된 상기 화합물층을 웨트 에칭하고, 상기 화합물층을 상기 전극 형성 영역에 남기는 것을 특징으로 하는 화합물 반도체 장치의 제조 방법. - 제6항 또는 제7항에 있어서,
상기 화합물층을 덮도록 보호막을 형성하고, 상기 화합물층이 상기 보호막에 덮여진 상태에서 상기 열처리를 행하는 것을 특징으로 하는 화합물 반도체 장치의 제조 방법. - 제6항 또는 제7항에 있어서,
상기 열처리 후, 상기 화합물층을 제거하는 공정과,
상기 전극 형성 영역에 게이트 전극을 형성하는 공정
을 더 포함하는 것을 특징으로 하는 화합물 반도체 장치의 제조 방법. - 제6항 또는 제7항에 있어서,
상기 p형 불순물은, Mg 또는 Be인 것을 특징으로 하는 화합물 반도체 장치의 제조 방법.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2012-062708 | 2012-03-19 | ||
| JP2012062708A JP5902010B2 (ja) | 2012-03-19 | 2012-03-19 | 化合物半導体装置及びその製造方法 |
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| Publication Number | Publication Date |
|---|---|
| KR20130106263A true KR20130106263A (ko) | 2013-09-27 |
| KR101473534B1 KR101473534B1 (ko) | 2014-12-16 |
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| US (1) | US20130242618A1 (ko) |
| JP (1) | JP5902010B2 (ko) |
| KR (1) | KR101473534B1 (ko) |
| CN (1) | CN103325822B (ko) |
| TW (1) | TWI492378B (ko) |
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| JP2010245465A (ja) * | 2009-04-10 | 2010-10-28 | Mitsubishi Electric Corp | 窒化物系半導体レーザ及びその製造方法 |
| JP2011204717A (ja) * | 2010-03-24 | 2011-10-13 | Sanken Electric Co Ltd | 化合物半導体装置 |
| US9299821B2 (en) * | 2010-06-23 | 2016-03-29 | Cornell University | Gated III-V semiconductor structure and method |
-
2012
- 2012-03-19 JP JP2012062708A patent/JP5902010B2/ja not_active Expired - Fee Related
- 2012-12-18 TW TW101148014A patent/TWI492378B/zh active
- 2012-12-19 US US13/720,349 patent/US20130242618A1/en not_active Abandoned
- 2012-12-26 CN CN201210575487.7A patent/CN103325822B/zh active Active
- 2012-12-26 KR KR1020120153423A patent/KR101473534B1/ko active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794643A (zh) * | 2014-01-22 | 2014-05-14 | 西安电子科技大学 | 一种基于槽栅高压器件及其制作方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI492378B (zh) | 2015-07-11 |
| JP2013197305A (ja) | 2013-09-30 |
| TW201340314A (zh) | 2013-10-01 |
| CN103325822B (zh) | 2016-03-30 |
| US20130242618A1 (en) | 2013-09-19 |
| KR101473534B1 (ko) | 2014-12-16 |
| CN103325822A (zh) | 2013-09-25 |
| JP5902010B2 (ja) | 2016-04-13 |
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