KR101168825B1 - 반도체 소자 탑재용 패키지 기판 및 그 제조방법 - Google Patents
반도체 소자 탑재용 패키지 기판 및 그 제조방법 Download PDFInfo
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- KR101168825B1 KR101168825B1 KR1020117001679A KR20117001679A KR101168825B1 KR 101168825 B1 KR101168825 B1 KR 101168825B1 KR 1020117001679 A KR1020117001679 A KR 1020117001679A KR 20117001679 A KR20117001679 A KR 20117001679A KR 101168825 B1 KR101168825 B1 KR 101168825B1
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Abstract
Description
도 2는 본 발명의 실시예의 반도체소자 탑재용 패키지 기판 및 반도체 패키지의 일부를 확대한 단면도이다.
도 3은 본 발명의 실시예의 캐비티층의 제조공정을 나타내는 흐름도이다.
도 4는 본 발명의 실시예의 베이스층의 제조공정을 나타내는 흐름도이다.
도 5는 본 발명의 실시예의 캐비티부를 갖는 반도체 탑재용 패키지 기판의 제조공정을 나타내는 흐름도이다.
도 6은 본 발명의 반도체소자 탑재용 패키지 기판 및 반도체 패키지를 사용한 PoP의 개략 단면도이다.
도 7은 종래의 반도체소자 탑재용 패키지 기판 및 반도체 패키지를 사용한 PoP의 개략 단면도이다.
Claims (7)
- 개구 및 관통구멍을 갖는 캐비티층과, 이 캐비티층에 적층되는 측의 면에 반도체 소자와 전기적으로 접속되는 단자를 갖는 베이스층과, 상기 개구 내에 상기 단자를 노출하도록 형성된 캐비티부와, 상기 관통구멍에 의해 형성된 바닥을 갖는 비아(via)를 갖는 반도체소자 탑재용 패키지 기판에 있어서,
상기 바닥을 갖는 비아의 내벽에 금속피복이 형성되고, 이것을 바탕으로 하여 상기 바닥을 갖는 비아에 도전성분과 수지성분을 포함하는 도전수지가 충전되고,
이 도전수지 중에 포함되는 도전성분인 은도금 동분(銅粉) 또는 금도금 동분이, 물리적으로 연마된 표면의 상기 도전수지 중의 수지성분으로부터 노출된 상태에서 상기 바닥을 갖는 비아의 입구측에 배치되고,
이 노출된 도전성분 위에, 도금이 직접 석출됨으로써 형성된 금속피막을 구비하는 외부접속단자를 갖는 반도체소자 탑재용 패키지 기판. - 제1항에 있어서,
베이스층이, 이 베이스층 위의 캐비티층측에 설치되고, 캐비티부 내에 형성되는 단자와 전기적으로 접속되는 접속패드를 갖고,
외부접속단자가, 상기 캐비티층 위의 베이스층과 반대측에 설치되어, 상기 접속패드와 바닥을 갖는 비아에 의해 층간접속되는 반도체소자 탑재용 패키지 기판. - 제1항 또는 제2항에 있어서,
금속피막을 형성하는 도금이, 무전해 니켈도금 또는 무전해 금도금 또는 무전해 니켈도금과 치환 금도금 또는 무전해 금도금을 갖는 반도체소자 탑재용 패키지 기판. - 제3항에 있어서,
무전해 니켈도금의 두께가 4~6㎛인 반도체소자 탑재용 패키지 기판. - 제1항 또는 제2항에 있어서,
금속피막을 형성하는 도금이, 전기 니켈도금 또는 전기 금도금 또는 전기 니켈도금과 치환 금도금 또는 무전해 금도금 또는 전기 금도금을 갖는 반도체소자 탑재용 패키지 기판. - 제5항에 있어서,
전기 니켈도금의 두께가 4~16㎛인 반도체소자 탑재용 패키지 기판. - 개구 및 관통구멍을 갖는 캐비티층과, 이 캐비티층에 적층되는 측의 면에 반도체 소자와 전기적으로 접속되는 단자를 갖는 베이스층과, 상기 개구 내에 상기 단자를 노출하도록 형성된 캐비티부와, 상기 관통구멍에 의해 형성된 바닥을 갖는 비아를 갖는 반도체소자 탑재용 패키지 기판의 제조방법에 있어서,
상기 바닥을 갖는 비아의 내벽에 금속피복이 형성되고, 이것을 바탕으로 하여 상기 바닥을 갖는 비아에 도전수지가 충전되는 공정과,
이 도전수지 표면을 물리적으로 연마하여, 상기 도전수지 중의 도전성분인 은도금 동분(銅粉) 또는 금도금 동분을, 상기 물리적으로 연마된 표면의 상기 도전수지 중의 수지성분으로부터 노출시키는 공정과,
이 도전성분 위에 무전해 도금 또는 전기도금을 직접 석출시킴으로써 형성되는 금속피막에 의해 외부접속단자를 형성하는 공정,
을 갖는 반도체소자 탑재용 패키지 기판의 제조방법.
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JP2009222737A JP2010103518A (ja) | 2008-09-29 | 2009-09-28 | 半導体素子搭載用パッケージ基板及びその製造方法 |
JPJP-P-2009-222737 | 2009-09-28 | ||
PCT/JP2009/066917 WO2010035865A1 (ja) | 2008-09-29 | 2009-09-29 | 半導体素子搭載用パッケージ基板及びその製造方法 |
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JPH1065339A (ja) * | 1996-08-22 | 1998-03-06 | Sony Corp | 多層プリント配線板及びその製造方法 |
JP2001068624A (ja) | 1999-08-26 | 2001-03-16 | Toshiba Corp | 半導体装置及び半導体装置の製造方法 |
JP2008016819A (ja) * | 2006-07-06 | 2008-01-24 | Samsung Electro-Mechanics Co Ltd | パッケージオンパッケージのボトム基板及びその製造方法 |
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JPH07226456A (ja) * | 1993-04-23 | 1995-08-22 | Nippon Micron Kk | Icパッケージ及びその製造方法 |
JP4493923B2 (ja) * | 2003-02-26 | 2010-06-30 | イビデン株式会社 | プリント配線板 |
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- 2009-09-29 WO PCT/JP2009/066917 patent/WO2010035865A1/ja active Application Filing
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Publication number | Priority date | Publication date | Assignee | Title |
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JPH1065339A (ja) * | 1996-08-22 | 1998-03-06 | Sony Corp | 多層プリント配線板及びその製造方法 |
JP2001068624A (ja) | 1999-08-26 | 2001-03-16 | Toshiba Corp | 半導体装置及び半導体装置の製造方法 |
JP2008016819A (ja) * | 2006-07-06 | 2008-01-24 | Samsung Electro-Mechanics Co Ltd | パッケージオンパッケージのボトム基板及びその製造方法 |
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