KR100661109B1 - 종형 반도체장치 및 그 제조방법 - Google Patents
종형 반도체장치 및 그 제조방법 Download PDFInfo
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- KR100661109B1 KR100661109B1 KR1020040059709A KR20040059709A KR100661109B1 KR 100661109 B1 KR100661109 B1 KR 100661109B1 KR 1020040059709 A KR1020040059709 A KR 1020040059709A KR 20040059709 A KR20040059709 A KR 20040059709A KR 100661109 B1 KR100661109 B1 KR 100661109B1
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Abstract
Description
Claims (3)
- 제1 주표면 및 상기 제1 주표면에 대향하는 제2 주표면을 갖는 제1 도전형의 반도체기판을 구비하고, 상기 반도체기판은 소자영역과 상기 소자영역을 둘러싸도록 설치된 주변영역을 가지며,상기 제2 주표면에서 노출하도록 상기 반도체기판 내부에 형성되고, 상기 반도체기판의 제1 도전형의 불순물 농도보다 높은 불순물 농도를 갖는 제2 도전형의 제1 불순물영역과,상기 주변영역에 설치되고, 측벽이 상기 제1 주표면에 대하여 대략 수직을 나타내는 트렌치와,상기 트렌치 측벽을 따라 상기 반도체기판 내부에 소정의 두께로 형성되고, 상기 제1 불순물영역에 전기적으로 접속된 제2 도전형의 제2 불순물영역을 더 구비하며,상기 트렌치의 깊이 d와 개구폭 w와의 비 d/w(애스펙트 비)가 40 이상 100 이하인 것을 특징으로 하는 종형 반도체장치.
- (a) 제1 주표면 및 상기 제1 주표면에 대향하는 제2 주표면을 갖는 제1 도전형의 반도체기판의 상기 제2 주표면측에 제2 도전형의 제1 불순물영역을 형성하는 스텝과,(b) 이방성에칭에 의해 상기 반도체기판의 주변영역에 상기 제1 주표면으로부터, 상기 제1 불순물영역에 도달하도록 트렌치를 형성하는 스텝과,(c) 이온주입에 의해 상기 트렌치 측벽으로부터 제2 도전형의 불순물을 상기 반도체기판 내에 도입하여 제2 불순물영역을 형성하는 스텝을 포함하여 이루어지며,상기 트렌치의 깊이 d와 개구폭 w와의 비 d/w(애스펙트비)가 40 이상 100 이하인 것을 특징으로 하는 종형 반도체장치의 제조방법.
- 제1 주표면 및 상기 제1 주표면에 대향하는 제2 주표면을 갖는 제1 도전형의 반도체기판을 구비하고, 상기 반도체기판은 소자영역과 상기 소자영역을 둘러싸도록 설치된 주변영역을 가지며,상기 제2 주표면에서 노출하도록 상기 반도체기판 내부에 형성되고, 상기 반도체기판의 제1 도전형의 불순물 농도보다 높은 불순물 농도를 갖는 제2 도전형의 제1 불순물영역과,상기 주변영역에 설치되고, 각각이 평면에서 보아 소정의 간격으로 상기 소자영역을 단속적으로 둘러싸도록 설치되는 복수의 트렌치와,상기 복수의 트렌치 각각의 상기 트렌치 측벽으로부터 상기 반도체기판 내부에 걸쳐 소정의 두께로 형성되고, 상기 제1 불순물영역에 전기적으로 접속된 제2 도전형의 복수의 제2 불순물영역을 더 구비한 것을 특징으로 하는 종형 반도체장치.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2003289881 | 2003-08-08 | ||
JPJP-P-2003-00289881 | 2003-08-08 | ||
JPJP-P-2003-00398726 | 2003-11-28 | ||
JP2003398726A JP4292964B2 (ja) | 2003-08-08 | 2003-11-28 | 縦型半導体装置 |
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KR20050018600A KR20050018600A (ko) | 2005-02-23 |
KR100661109B1 true KR100661109B1 (ko) | 2006-12-26 |
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KR1020040059709A KR100661109B1 (ko) | 2003-08-08 | 2004-07-29 | 종형 반도체장치 및 그 제조방법 |
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US (1) | US7009239B2 (ko) |
EP (1) | EP1505657B1 (ko) |
JP (1) | JP4292964B2 (ko) |
KR (1) | KR100661109B1 (ko) |
CN (1) | CN100477259C (ko) |
DE (1) | DE602004017675D1 (ko) |
TW (1) | TWI242885B (ko) |
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KR100916892B1 (ko) | 2007-12-27 | 2009-09-09 | 주식회사 동부하이텍 | 반도체 소자 및 반도체 소자의 제조 방법 |
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TWI242885B (en) | 2005-11-01 |
KR20050018600A (ko) | 2005-02-23 |
EP1505657B1 (en) | 2008-11-12 |
US7009239B2 (en) | 2006-03-07 |
US20050029568A1 (en) | 2005-02-10 |
CN1581506A (zh) | 2005-02-16 |
CN100477259C (zh) | 2009-04-08 |
DE602004017675D1 (de) | 2008-12-24 |
EP1505657A1 (en) | 2005-02-09 |
TW200507268A (en) | 2005-02-16 |
JP4292964B2 (ja) | 2009-07-08 |
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