KR20080069501A - 반도체 장치 및 그 제조 방법 - Google Patents
반도체 장치 및 그 제조 방법 Download PDFInfo
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- KR20080069501A KR20080069501A KR1020070085927A KR20070085927A KR20080069501A KR 20080069501 A KR20080069501 A KR 20080069501A KR 1020070085927 A KR1020070085927 A KR 1020070085927A KR 20070085927 A KR20070085927 A KR 20070085927A KR 20080069501 A KR20080069501 A KR 20080069501A
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Abstract
Description
Claims (10)
- 웨이퍼의 제1주면에 제1도전형의 채널을 가지는 복수의 MOSFET를 스트라이프 모양으로 형성하는 공정과,상기 웨이퍼의 제2주면에 제1도전형의 불순물을 주입하고, 등간격의 간격을 두고 스트라이프 모양으로 레이저 어닐 처리를 행함으로써 스트라이프 모양으로 활성화된 버퍼층을 형성하는 공정과,상기 버퍼층을 형성한 후에, 상기 제2주면에 제2도전형의 불순물을 주입하고, 상기 제2주면의 전체면에 레이저 어닐 처리를 행함으로써 콜렉터층을 형성하고, 상기 버퍼층을 활성화하는 공정과,상기 제1주면에 이미터 전극을 형성하고, 상기 제2주면에 콜렉터 전극을 형성하는 공정을 가지는 것을 특징으로 하는 반도체 장치의 제조방법.
- 제 1항에 있어서,상기 버퍼층을 형성하는 공정에 있어서, 레이저 어닐 처리를 행하는 영역과 행하지 않는 영역의 스트라이프 방향을 상기 복수의 MOSFET의 스트라이프의 방향과 직교시키는 것을 특징으로 하는 반도체 장치의 제조방법.
- 제 1항에 있어서,상기 복수의 MOSFET의 형성 영역의 외주에 있어서 상기 제1주면에 가드 링을 형성하는 공정을 더 가지고,상기 버퍼층을 형성하는 공정에 있어서, 상기 제2주면의 전체면에 제1도전형의 불순물을 주입하고, 상기 가드 링의 형성 영역에 대응하는 상기 제2주면의 영역의 전체면에 레이저 어닐 처리를 행하는 것을 특징으로 하는 반도체 장치의 제조방법.
- 웨이퍼의 제1주면에 제1도전형의 채널을 가지는 복수의 MOSFET를 스트라이프 모양으로 형성하는 공정과,상기 웨이퍼의 제2주면에 제1도전형의 불순물을 주입하여 레이저 어닐 처리를 행함으로써 버퍼층을 형성하는 공정과,상기 제2주면에 제2도전형의 불순물을 주입하여 레이저 어닐 처리를 행함으로써 콜렉터층을 형성하는 공정과,상기 복수의 MOSFET의 제1도전형의 드리프트층에 하전입자를 국소적으로 조사하여 스트라이프 모양 또는 메쉬 모양의 격자결함 영역을 형성하는 공정과,상기 제1주면에 이미터 전극을 형성하고, 상기 제2주면에 콜렉터 전극을 형성하는 공정을 가지는 것을 특징으로 하는 반도체 장치의 제조방법.
- 제 4항에 있어서,상기 복수의 MOSFET의 형성 영역의 외주에 있어서 상기 제1주면에 가드 링을 형성하는 공정을 더 가지고,상기 격자결함 영역을 형성하는 공정에 있어서, 상기 가드 링의 형성 영역에 대응하는 상기 드리프트층의 영역의 전체면에 하전입자를 조사하여 격자결함 영역을 형성하는 것을 특징으로 하는 반도체 장치의 제조방법.
- 웨이퍼의 제1주면에 스트라이프 모양으로 형성되어, 제1도전형의 채널을 가지는 복수의 MOSFET와,상기 웨이퍼의 제2주면에 형성되어 고활성화부와 저활성화부가 교대로 스트라이프 모양으로 형성된 제1도전형의 버퍼층과,상기 버퍼층보다도 상기 웨이퍼의 제2주면측에 형성된 제2도전형의 콜렉터층과,상기 웨이퍼의 제1주면에 형성된 이미터 전극과,상기 웨이퍼의 제2주면에 형성된 콜렉터 전극을 가지는 것을 특징으로 하는 반도체 장치.
- 제 6항에 있어서,상기 버퍼층 내의 고활성화부와 저활성화부의 스트라이프의 방향은, 상기 복수의 MOSFET의 스트라이프의 방향과 직교하는 것을 특징으로 하는 반도체 장치.
- 제 6항에 있어서,상기 복수의 MOSFET의 형성 영역의 외주에 있어서 상기 제1주면에 형성된 가드 링을 더 가지고,상기 가드 링의 형성 영역에 대응하는 상기 버퍼층의 영역의 전체면에 상기 고활성화부가 형성되어 있는 것을 특징으로 하는 반도체 장치.
- 웨이퍼의 제1주면에 스트라이프 모양으로 형성되어, 제1도전형의 채널을 가지는 복수의 MOSFET와,상기 웨이퍼의 제2주면에 형성된 제1도전형의 버퍼층과,상기 버퍼층보다도 상기 웨이퍼의 제2주면측에 형성된 제2도전형의 콜렉터층과,상기 웨이퍼의 제1주면에 형성된 이미터 전극과,상기 웨이퍼의 제2주면에 형성된 콜렉터 전극과,상기 복수의 MOSFET의 제1도전형의 드리프트층 내에 형성된 스트라이프 모양 또는 메쉬 모양의 격자결함 영역을 가지는 것을 특징으로 하는 반도체 장치.
- 제 9항에 있어서,상기 복수의 MOSFET의 형성 영역의 외주에 있어서 상기 제1주면에 형성된 가드 링을 더 가지고,상기 가드 링의 형성 영역에 대응하는 상기 드리프트층의 영역의 전체면에 상기 격자결함 영역이 형성되어 있는 것을 특징으로 하는 반도체 장치.
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JPJP-P-2007-00013099 | 2007-01-23 | ||
JP2007013099A JP5036327B2 (ja) | 2007-01-23 | 2007-01-23 | 半導体装置及びその製造方法 |
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KR101244003B1 (ko) * | 2011-03-25 | 2013-03-14 | 주식회사 케이이씨 | 전력 반도체 소자 |
KR20190048154A (ko) * | 2017-10-30 | 2019-05-09 | 현대오트론 주식회사 | 전력 반도체 소자 및 그 제조방법 |
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JPWO2012056536A1 (ja) | 2010-10-27 | 2014-03-20 | 富士電機株式会社 | 半導体装置および半導体装置の製造方法 |
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JP6158123B2 (ja) | 2014-03-14 | 2017-07-05 | 株式会社東芝 | 半導体装置 |
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JP2019012725A (ja) | 2017-06-29 | 2019-01-24 | 株式会社東芝 | 半導体装置 |
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KR20190048154A (ko) * | 2017-10-30 | 2019-05-09 | 현대오트론 주식회사 | 전력 반도체 소자 및 그 제조방법 |
US11164964B2 (en) | 2017-10-30 | 2021-11-02 | Hyundai Mobis Co., Ltd. | Power semiconductor device and method of fabricating the same |
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DE102007040587B4 (de) | 2012-11-22 |
US7777249B2 (en) | 2010-08-17 |
JP2008181975A (ja) | 2008-08-07 |
US20080173893A1 (en) | 2008-07-24 |
DE102007040587A1 (de) | 2008-07-31 |
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KR100912625B1 (ko) | 2009-08-17 |
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