KR100654010B1 - 고온 애플리케이션용 탄화규소 전계 효과 트랜지스터, 이러한 트랜지스터의 용도 및 그의 제조 방법 - Google Patents
고온 애플리케이션용 탄화규소 전계 효과 트랜지스터, 이러한 트랜지스터의 용도 및 그의 제조 방법 Download PDFInfo
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Abstract
Description
Claims (21)
- 소스 영역층(4, 4'), 드레인 영역층(5, 5'), 상기 소스 영역층과 드레인 영역층 사이에 전류를 전도시키도록 저농도로 도핑된 채널 영역층(6, 7), 상기 채널 영역층에 인가되는 전위의 변화를 통하여 채널 영역층의 전도 특성을 제어하도록 배열된 게이트 전극(12) 및 상기 게이트 전극이 배열되는 전면(14)을 갖는 고온 애플리케이션용 탄화규소(SiC) 전계 효과 트랜지스터로서,상기 소스 영역층, 드레인 영역층 및 채널 영역층은 트랜지스터의 동작시 상기 표면에서 전계를 감소시키기 위해 상기 전면으로부터 수직으로 분리되며, 상기 트랜지스터는 상기 전면(14)으로부터 상기 소스 영역층(4, 4')과 드레인 영역층(5, 5')을 분리시키며 상기 소스 영역층 및 상기 드레인 영역층과 동일한 제 1 도전형에 따라 저농도로 도핑되는 탄화규소의 제 1층(7)을 포함하는 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터.
- 제 1 항에 있어서,상기 제 1층(7)의 도핑 농도는 1013cm-3 내지 1016㎝-3 인 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터.
- 제 1 항 또는 제 2 항에 있어서,상기 게이트 전극(12)은 상기 전면(14)상에 배열되는 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터.
- 제 3 항에 있어서,상기 게이트 전극(12)은 절연층(13)에 의해 상기 저농도로 도핑된 제 1층(7)으로부터 분리되는 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터.
- 제 1 항 또는 제 2 항에 있어서,상기 소스 영역층(4)과 드레인 영역층(5)은 탄화규소의 에피택셜층 내에 매립되며, 측방형(즉, 수평형) 전계 효과 트랜지스터를 형성하기 위하여 측방향으로 분리되는 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터.
- 제 5 항에 있어서,상기 제 1 도전형과 상반되는 제 2 도전형에 따라 저농도로 도핑된 탄화규소의 제 2층(3)이 그 위에 배열되는 상기 채널 영역층(6, 7)에 영향을 주기 위하여 상기 소스 영역층(4)과 드레인 영역층(5) 아래에 배열되는 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터.
- 제 6 항에 있어서,상기 게이트 전극(12)과 상기 제 2층(3)은 각각 채널 영역층의 상부 및 하부로부터 채널 영역층에 영향을 주도록 배열되는 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터.
- 제 6 항에 있어서,상기 소스 영역층(4)과 상기 드레인 영역층(5)은 상기 제 2층(3)의 부분들에 의해 분리되는 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터.
- 제 6 항에 있어서,상기 소스 영역층(4)과 상기 드레인 영역층(5)은 그 위에 배열되는 상기 제 1층의 나머지보다 더 높은 도핑 농도를 갖는 상기 제 1 층의 일부분(6)에 의해 분리되는 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터.
- 제 6 항에 있어서,상기 제 1층(7)은 상기 채널 영역층을 포함하도록 구성되는 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터.
- 제 1 항 또는 제 2 항에 있어서,상기 소스 영역층(4')과 드레인 영역층 중 하나는 탄화규소의 에피택셜 층(7)내에 매립되며, 다른 하나(5')는 수직형 전계 효과 트랜지스터를 형성하기 위하여 상기 소스 영역층과 드레인 영역층이 수직으로 분리되도록 상기 전면(14)의 반대편인 트랜지스터의 후면(18)상에 배열되는 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터.
- 제 11 항에 있어서,상기 소스 영역층과 드레인 영역층 중 매립된 하나(4')는 상기 소스 영역층(4')으로부터 상기 드레인 영역층(5')까지의 상기 부분들 사이에서 연장되는 수직 채널을 형성하기 위하여, 상기 제 1 도전형에 따라 저농도로 도핑된 탄화규소의 층(7)에 의해 측방향으로 분리된 부분들을 갖는 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터.
- 제 12 항에 있어서,상기 제 1 도전형과 상반되는 제 2 도전형에 따라 도핑된 제 3층(16)은 소스 영역층과 드레인 영역층 사이에 형성된 상기 수직 채널에 영향을 주기 위하여 상기 부분들 아래에서 소스 영역층과 드레인 영역층 중 매립된 하나(4') 아래에 배열되는 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터.
- 제 1 항 또는 제 2 항에 있어서,상기 제 1 도전형은 n형인 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터.
- 제 1 항 또는 제 2 항에 있어서,상기 제 1 도전형은 p형인 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터.
- 제 1 항 또는 제 2 항에 있어서,상기 트랜지스터는 인핸스먼트 모드 또는 디플리션(depletion) 모드에서 구동되도록 구성되는 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터.
- 제 1 항 또는 제 2 항에 있어서,상기 게이트 전극(12)은 촉매 금속으로 이루어지며 상기 게이트 전극의 전위에 영향을 주고, 트랜지스터가 가스 센서로서 기능하도록 하기 위하여 특정 가스의 원자/분자를 흡수할 수 있도록 상기 전면에 배열되어 노출되는 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터.
- 제 17 항에 있어서,상기 촉매 게이트 금속은 탄화수소의 분해를 일으키며 수소를 흡수하도록 구성되는 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터.
- 제 1 항 또는 제 2 항에 있어서,상기 트랜지스터는 가스 조성을 감지하는 환경에서 사용되도록 구조화 및 배열되는 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터.
- 제 1 항 또는 제 2 항에 따른 고온 애플리케이션용 탄화규소 전계 효과 트랜지스터 제조 방법에 있어서,제 1 단계에서 에피택셜하게 성장된 탄화규소의 층내에 매립된 소스 영역층(4) 및 드레인 영역층(5)이 에피택셜하게 성장된 층 속에 도펀트를 주입함으로써 또는 에피택셜 성장에 의하며 생성되고, 그 위에 저농도로 도핑된 탄화규소의 층(7)을 에피택셜 재성장시키는 제 2 단계 이후에 불순물이 공급되는 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터 생산 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 트랜지스터는 통과하는 배기 가스의 조성을 감지하기 위해 자동차 엔진의 실린더로부터의 가스 흐름에 삽입되는 것을 특징으로 하는 탄화규소 전계 효과 트랜지스터.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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SE9901440A SE9901440A0 (en) | 1999-04-22 | 1999-04-22 | A field effect transistor of SiC for high temperature application, use of such a transistor and a method for production thereof |
SE9901440-9 | 1999-04-22 | ||
PCT/SE2000/000773 WO2000065660A2 (en) | 1999-04-22 | 2000-04-20 | A FIELD EFFECT TRANSISTOR OF SiC FOR HIGH TEMPERATURE APPLICATION, USE OF SUCH A TRANSISTOR AND A METHOD FOR PRODUCTION THEREOF |
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KR20020002436A KR20020002436A (ko) | 2002-01-09 |
KR100654010B1 true KR100654010B1 (ko) | 2006-12-05 |
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KR1020017013472A KR100654010B1 (ko) | 1999-04-22 | 2000-04-20 | 고온 애플리케이션용 탄화규소 전계 효과 트랜지스터, 이러한 트랜지스터의 용도 및 그의 제조 방법 |
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US (1) | US6278133B1 (ko) |
EP (1) | EP1186053B1 (ko) |
JP (1) | JP5433121B2 (ko) |
KR (1) | KR100654010B1 (ko) |
CN (1) | CN1190852C (ko) |
AT (1) | ATE453928T1 (ko) |
AU (1) | AU4634700A (ko) |
CA (1) | CA2370869C (ko) |
DE (1) | DE60043614D1 (ko) |
HK (1) | HK1045602B (ko) |
SE (1) | SE9901440A0 (ko) |
WO (1) | WO2000065660A2 (ko) |
Cited By (1)
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KR101229392B1 (ko) * | 2012-09-12 | 2013-02-05 | 주식회사 아이엠헬스케어 | 오믹 접합을 이용하는 fet 기반 바이오 센서 |
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US5883995A (en) | 1997-05-20 | 1999-03-16 | Adc Telecommunications, Inc. | Fiber connector and adapter |
CN1302558C (zh) * | 2003-03-06 | 2007-02-28 | 北京大学 | 一种场效应晶体管 |
US7053425B2 (en) * | 2003-11-12 | 2006-05-30 | General Electric Company | Gas sensor device |
US7598134B2 (en) | 2004-07-28 | 2009-10-06 | Micron Technology, Inc. | Memory device forming methods |
JP2006269641A (ja) * | 2005-03-23 | 2006-10-05 | National Institute Of Advanced Industrial & Technology | 半導体装置及びその製造方法 |
US20060270053A1 (en) * | 2005-05-26 | 2006-11-30 | General Electric Company | Apparatus, methods, and systems having gas sensor with catalytic gate and variable bias |
JP4571957B2 (ja) * | 2007-03-29 | 2010-10-27 | 関西電力株式会社 | 電力変換装置 |
DE102012211460A1 (de) * | 2012-07-03 | 2014-01-09 | Robert Bosch Gmbh | Gassensor und Verfahren zum Herstellen eines solchen |
KR102046014B1 (ko) * | 2013-03-27 | 2019-12-02 | 인텔렉추얼디스커버리 주식회사 | 하이브리드형 수소센서, 그 제조 방법 및 제어 방법 |
GB2577271A (en) * | 2018-09-19 | 2020-03-25 | Sumitomo Chemical Co | Thin film transistor gas sensor |
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JPS5315773A (en) * | 1976-07-28 | 1978-02-14 | Hitachi Ltd | Mis type semiconductor device and its production |
JPS5832462A (ja) * | 1981-08-21 | 1983-02-25 | Toshiba Corp | 半導体装置 |
US4769338A (en) | 1984-05-14 | 1988-09-06 | Energy Conversion Devices, Inc. | Thin film field effect transistor and method of making same |
JPS63265156A (ja) * | 1987-04-23 | 1988-11-01 | Matsushita Electric Works Ltd | イオンセンサ |
JP2527775B2 (ja) | 1987-12-28 | 1996-08-28 | 三菱電機株式会社 | 電界効果トランジスタ及びその製造方法 |
US5086321A (en) | 1988-06-15 | 1992-02-04 | International Business Machines Corporation | Unpinned oxide-compound semiconductor structures and method of forming same |
US5362975A (en) * | 1992-09-02 | 1994-11-08 | Kobe Steel Usa | Diamond-based chemical sensors |
US5448085A (en) * | 1993-04-05 | 1995-09-05 | The United States Of America As Represented By The Secretary Of The Air Force | Limited current density field effect transistor with buried source and drain |
JP3246189B2 (ja) | 1994-06-28 | 2002-01-15 | 株式会社日立製作所 | 半導体表示装置 |
SE503265C2 (sv) | 1994-09-23 | 1996-04-29 | Forskarpatent Ab | Förfarande och anordning för gasdetektion |
US5698771A (en) * | 1995-03-30 | 1997-12-16 | The United States Of America As Represented By The United States National Aeronautics And Space Administration | Varying potential silicon carbide gas sensor |
JP3385938B2 (ja) * | 1997-03-05 | 2003-03-10 | 株式会社デンソー | 炭化珪素半導体装置及びその製造方法 |
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Cited By (2)
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KR101229392B1 (ko) * | 2012-09-12 | 2013-02-05 | 주식회사 아이엠헬스케어 | 오믹 접합을 이용하는 fet 기반 바이오 센서 |
WO2014042418A1 (ko) * | 2012-09-12 | 2014-03-20 | 주식회사 아이엠헬스케어 | 오믹 접합을 이용하는 fet 기반 바이오 센서 |
Also Published As
Publication number | Publication date |
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CA2370869C (en) | 2010-09-21 |
CN1190852C (zh) | 2005-02-23 |
SE9901440A0 (en) | 2000-10-23 |
DE60043614D1 (de) | 2010-02-11 |
ATE453928T1 (de) | 2010-01-15 |
JP5433121B2 (ja) | 2014-03-05 |
HK1045602A1 (en) | 2002-11-29 |
CN1347570A (zh) | 2002-05-01 |
WO2000065660A3 (en) | 2001-03-08 |
KR20020002436A (ko) | 2002-01-09 |
JP2002543593A (ja) | 2002-12-17 |
CA2370869A1 (en) | 2000-11-02 |
SE9901440D0 (sv) | 1999-04-22 |
AU4634700A (en) | 2000-11-10 |
US6278133B1 (en) | 2001-08-21 |
HK1045602B (zh) | 2005-09-02 |
EP1186053A2 (en) | 2002-03-13 |
WO2000065660A2 (en) | 2000-11-02 |
EP1186053B1 (en) | 2009-12-30 |
SE9901440L (ko) | 1900-01-01 |
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