KR100963372B1 - 반도체 장치의 제조 방법 - Google Patents
반도체 장치의 제조 방법 Download PDFInfo
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- KR100963372B1 KR100963372B1 KR1020020070402A KR20020070402A KR100963372B1 KR 100963372 B1 KR100963372 B1 KR 100963372B1 KR 1020020070402 A KR1020020070402 A KR 1020020070402A KR 20020070402 A KR20020070402 A KR 20020070402A KR 100963372 B1 KR100963372 B1 KR 100963372B1
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Abstract
Description
Claims (11)
- 전극부를 갖는 반도체 기판에 대하여, 상기 전극부를 덮도록 수지막을 형성하는 수지막 형성 공정과,상기 수지막에 대하여, 상기 전극부에 대응하는 위치에 개구부를 형성하는 개구부 형성 공정과,상기 개구부에 범프 형성 재료를 공급하는 공급 공정과,가열 처리를 행함으로써, 상기 개구부에 범프를 형성함과 함께, 상기 수지막에 의해 인접하는 범프 간의 쇼트를 방지하는 범프 형성 공정과,상기 수지막을 제거하는 제거 공정을 포함하는 반도체 장치의 제조 방법.
- 제1항에 있어서,상기 수지막 형성 공정 전에, 무전해 도금법에 의해, 상기 전극부 상에 배리어 메탈층을 형성하는 공정을 더 포함하며, 상기 개구부 형성 공정에서는, 상기 수지막에 대하여, 상기 배리어 메탈층이 노출되도록 개구부를 형성하는 반도체 장치의 제조 방법.
- 제1항에 있어서,상기 개구부 형성 공정 후에, 무전해 도금법에 의해, 상기 전극부 상에 배리어 메탈층을 형성하는 공정을 더 포함하는 반도체 장치의 제조 방법.
- 제2항에 있어서,상기 배리어 메탈층을 형성하는 공정은, 상기 전극부 상에 촉매층을 형성하는 공정과, 해당 촉매층 상에, Ni-P, Ni-B, 또는 Ni-P-B의 조성을 갖는 무전해 니켈 도금층을 형성하는 공정과, 해당 무전해 니켈 도금층의 위에, 무전해 금 도금층 또는 무전해 팔라듐 도금층을 형성하는 공정을 포함하는 반도체 장치의 제조 방법.
- 제1항에 있어서,상기 범프 형성 재료는 Sn, Pb, Cu, Ag, In, Zn, Bi, Sb, Au로 이루어지는 군으로부터 선택되는 금속을 함유하는 땜납 분말을 포함하는 땜납 페이스트인 반도체 장치의 제조 방법.
- 제1항에 있어서,상기 수지막 형성 공정 전에, 상기 반도체 기판에 대하여, 상기 전극부를 덮도록 도전막을 형성하는 공정과, 상기 개구부 형성 공정 후에 전기 도금법에 의해 상기 전극부 상에 배리어 메탈층을 형성하는 공정을 더 포함하고, 상기 공급 공정에서는 전기 도금법에 의해 상기 배리어 메탈층의 위에 상기 범프 형성 재료를 퇴적시키는 반도체 장치의 제조 방법.
- 제1항에 있어서,상기 제거 공정에서는 pH8∼13의 박리액을 사용하여, 상기 수지막을 제거하는 반도체 장치의 제조 방법.
- 제7항에 있어서,상기 박리액은 아민을 포함하는 반도체 장치의 제조 방법.
- 제7항에 있어서,상기 박리액은 상기 범프의 부식을 억제하기 위한 방식제를 포함하는 반도체 장치의 제조 방법.
- 제7항에 있어서,상기 박리액은 배리어 메탈층 및 상기 전극부의 부식을 억제하기 위한 방식제를 포함하는 반도체 장치의 제조 방법.
- 제1항 내지 제10항 중 어느 한 항에 있어서,플럭스 또는 카르복실산에 의해 상기 범프를 피복하는 공정과, 해당 범프가 일단 용융되도록 가열 처리를 행하는 공정을 더 포함하는 반도체 장치의 제조 방법.
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US6689639B2 (en) | 2004-02-10 |
JP2003218152A (ja) | 2003-07-31 |
US20030096494A1 (en) | 2003-05-22 |
KR20090006037A (ko) | 2009-01-14 |
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CN1220250C (zh) | 2005-09-21 |
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