KR100485297B1 - 반도체 장치 및 그 제조 방법 - Google Patents
반도체 장치 및 그 제조 방법 Download PDFInfo
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- KR100485297B1 KR100485297B1 KR10-2002-7014135A KR20027014135A KR100485297B1 KR 100485297 B1 KR100485297 B1 KR 100485297B1 KR 20027014135 A KR20027014135 A KR 20027014135A KR 100485297 B1 KR100485297 B1 KR 100485297B1
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Abstract
Description
구 조 | 주 내압(V) | 비율(%) |
중앙 셀부만의 시뮬레이션 | 325 | 100 |
60% 점선화의 실시예의 실측 | 301 | 92.6 |
종래예의 균일 농도의 실측 | 275 | 84.6 |
Claims (48)
- 제1 도전형의 반도체 기판 내에, 제1 도전형의 제1 불순물 영역(3)과 제2 도전형의 제2 불순물 영역(4)이 배열된 구조가 2회 이상 반복된 반복 구조를 갖는 반도체 장치에 있어서,상기 반복 구조의 최단부에 위치하는 상기 제1 및 제2 불순물 영역(3, 4) 중 어느 하나인 저농도 영역(3, 4)이, 상기 반복 구조를 구성하는 모든 상기 제1 및 제2 불순물 영역(3, 4) 중에서 가장 낮은 불순물 농도 혹은 가장 적은 총합적인 실효 전하량을 가지며,상기 저농도 영역(3, 4)의 불순물 농도가, 상기 저농도 영역(3, 4)보다 상기 반복 구조의 중앙부측에 있는 상기 제1 및 제2 불순물 영역(3, 4) 중 어느 하나인 고농도 영역(3, 4)의 불순물 농도의 30% 이상 70% 이하인 것을 특징으로 하는 반도체 장치.
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- 제1 도전형의 반도체 기판 내에, 제1 도전형의 제1 불순물 영역(3)과 제2 도전형의 제2 불순물 영역(4)이 배열된 구조가 2회 이상 반복된 반복 구조를 갖는 반도체 장치의 제조 방법에 있어서,상기 반복 구조의 최단부에 위치하는 상기 제1 및 제2 불순물 영역(3, 4) 중 어느 하나인 저농도 영역(3, 4)이, 상기 반복 구조를 구성하는 모든 상기 제1 및 제2 불순물 영역(3, 4) 중에서 가장 낮은 불순물 농도 혹은 가장 적은 총합적인 실효 전하량을 갖는 것으로 되도록, 상기 저농도 영역(3, 4)과 그 이외의 다른 상기 제1 및 제2 불순물 영역(3, 4)이 독립적으로 농도를 바꾸어 형성되며,상기 저농도 영역(3, 4)의 불순물 농도가, 상기 저농도 영역(3, 4)보다 상기 반복 구조의 중앙부측에 있는 상기 제1 및 제2 불순물 영역(3, 4) 중 어느 하나인 고농도 영역(3, 4)의 불순물 농도의 30% 이상 70% 이하인 것을 특징으로 하는 반도체 장치의 제조 방법.
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JP6833778B2 (ja) | 2018-09-11 | 2021-02-24 | 株式会社東芝 | 半導体装置 |
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DE102018132435B4 (de) * | 2018-12-17 | 2021-01-21 | Infineon Technologies Austria Ag | Verfahren zum Herstellen eines Superjunction-Transistorbauelements |
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US20050048701A1 (en) | 2005-03-03 |
EP1363332B1 (en) | 2016-10-12 |
US6821824B2 (en) | 2004-11-23 |
CN1436372A (zh) | 2003-08-13 |
KR20020093058A (ko) | 2002-12-12 |
JP4785335B2 (ja) | 2011-10-05 |
TW513767B (en) | 2002-12-11 |
US7105387B2 (en) | 2006-09-12 |
EP1363332A4 (en) | 2006-08-16 |
WO2002067333A1 (en) | 2002-08-29 |
CN1223008C (zh) | 2005-10-12 |
EP1363332A1 (en) | 2003-11-19 |
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