KR100651115B1 - 반도체 장치 및 그 제조 방법 - Google Patents
반도체 장치 및 그 제조 방법 Download PDFInfo
- Publication number
- KR100651115B1 KR100651115B1 KR1020050091979A KR20050091979A KR100651115B1 KR 100651115 B1 KR100651115 B1 KR 100651115B1 KR 1020050091979 A KR1020050091979 A KR 1020050091979A KR 20050091979 A KR20050091979 A KR 20050091979A KR 100651115 B1 KR100651115 B1 KR 100651115B1
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- South Korea
- Prior art keywords
- insulating film
- semiconductor substrate
- hole
- electrode pad
- semiconductor device
- Prior art date
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Abstract
Description
Claims (13)
- 반도체 기판의 제1 면에 무기 재료로 이루어지는 제1 절연막을 개재하여 형성된 전극 패드를 갖고, 상기 전극 패드와 상기 반도체 기판의 제2 면에 존재하는 외부 접속용 단자를 접속하는 관통 전극을 갖는 반도체 장치의 제조 방법으로서,제1 면에 상기 제1 절연막과 상기 전극 패드가 형성된 상기 반도체 기판에 대하여, 그 제2 면에 무기 재료로 이루어지는 제2 절연막을 형성하고, 상기 전극 패드의 바로 아래에서 상기 제2 절연막을 개구하는 제1 스텝과,상기 제2 절연막을 마스크로 하여, 상기 반도체 기판에 제1 절연막에 도달하는 관통 구멍을, 제2 절연막의 개구연(opening edge)보다 그 관통 구멍을 후퇴시키도록 형성하는 제2 스텝과,상기 관통 구멍의 내벽에 유기 재료로 이루어지는 제3 절연막을 형성하는 제3 스텝과,상기 제2 절연막을 마스크로 하여, 상기 제1 절연막을 에칭하고, 상기 전극 패드 이면을 상기 반도체 기판의 제2 면측에 노출시키는 제4 스텝과,상기 관통 구멍 내에서 상기 관통 전극으로 됨과 함께, 상기 전극 패드와 상기 외부 접속용 단자를 접속하는 도전부를 형성하는 제5 스텝을 포함하는 반도체 장치의 제조 방법.
- 제1항에 있어서,상기 제2 스텝에서는, 제2 절연막을 마스크로 하여 반도체 기판을 이방성 에칭하고, 또한, 반도체 기판을 등방성 에칭함으로써, 상기 관통 구멍을 제2 절연막의 개구연보다 후퇴시키도록 형성하는 반도체 장치의 제조 방법.
- 제1항에 있어서,상기 제2 스텝에서는, 제2 절연막을 마스크로 하여 반도체 기판을 웨트 에칭(wet etching)함으로써, 상기 관통 구멍을 제2 절연막의 개구연보다 후퇴시키도록 형성하는 반도체 장치의 제조 방법.
- 제1항에 있어서,상기 제2 절연막은, 상기 제2 스텝에서의 반도체 기판의 에칭 시에 대하여, 마스크 효과가 있는 에칭 선택비를 갖는 반도체 장치의 제조 방법.
- 제1항에 있어서,상기 제3 스텝에서는, 반도체 기판을 음극으로 하는 전착에 의해 상기 제3 절연막을 형성하는 반도체 장치의 제조 방법.
- 제1항에 있어서,상기 제3 스텝에서는, 인쇄법에 의해 유기 절연 재료를 상기 관통 구멍에 매립하고, 또한, 제2 절연막을 마스크로 하여 이방성 에칭을 행함으로써 상기 제3 절 연막을 형성하는 반도체 장치의 제조 방법.
- 제6항에 있어서,상기 제3 스텝에서는, 진공 인쇄법에 의해 유기 절연 재료를 상기 관통 구멍에 매립하는 반도체 장치의 제조 방법.
- 제5항에 있어서,상기 제3 절연막이 폴리이미드 혹은 에폭시인 반도체 장치의 제조 방법.
- 제6항에 있어서,상기 제3 절연막이 폴리이미드 혹은 에폭시인 반도체 장치의 제조 방법.
- 반도체 기판의 제1 면에 무기 재료로 이루어지는 제1 절연막을 개재하여 형성된 전극 패드와,상기 전극 패드와 상기 반도체 기판의 제2 면에 존재하는 외부 접속용 단자를 접속하는 관통 전극을 포함하고,제1 면에 상기 제1 절연막과 상기 전극 패드가 형성된 상기 반도체 기판에 대하여, 상기 전극 패드의 바로 아래에, 상기 반도체 기판에 관통 구멍이 형성되어 있고, 상기 반도체 기판의 제2 면에는 제2 절연막이 형성되어 있으며, 상기 관통 구멍의 내벽에는 제3 절연막이 형성되어 있는 것과 함께,상기 제2 절연막의 개구연과 상기 제3 절연막의 내주면은, 반도체 기판의 제2 면측에서 봐서 일치하도록 형성되는 반도체 장치.
- 제10항의 반도체 장치를 복수개 적층하여 이루어지는 반도체 장치.
- 제10항에 있어서,상기 반도체 기판의 파손을 방지하기 위한 보강판이, 상기 반도체 기판의 제1 면측에 접착층을 개재하여 접합되어 있는 반도체 장치.
- 제11항에 있어서,상기 반도체 장치는, 상기 보강판이 광 투과성 부재이고, 상기 반도체 기판과 상기 보강판 사이에는 CCD 센서가 배치된 고체 촬상 소자인 반도체 장치.
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