KR20160141516A - 인쇄회로기판, 인쇄회로기판의 제조 방법 및 이를 포함하는 반도체 패키지 - Google Patents
인쇄회로기판, 인쇄회로기판의 제조 방법 및 이를 포함하는 반도체 패키지 Download PDFInfo
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- KR20160141516A KR20160141516A KR1020150077303A KR20150077303A KR20160141516A KR 20160141516 A KR20160141516 A KR 20160141516A KR 1020150077303 A KR1020150077303 A KR 1020150077303A KR 20150077303 A KR20150077303 A KR 20150077303A KR 20160141516 A KR20160141516 A KR 20160141516A
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Abstract
본 발명의 실시 예에 따르면, 인쇄회로기판은 일면에 캐비티가 형성된 절연층, 절연층의 일면 및 내부에 형성된 회로층 및 캐비티의 내벽 및 타면에 형성되어 방열층을 포함하며, 방열층은 절연층의 일면 및 내부에 형성된 회로층 중 적어도 하나와 전기적으로 연결된다.
Description
도 2는 본 발명의 실시 예에 따른 인쇄회로기판의 제조 방법을 나타낸 순서도이다.
도 3 내지 도 12는 인쇄회로기판의 제조 방법을 나타낸 예시도이다.
도 13은 본 발명의 실시 예에 따른 반도체 패키지를 나타낸 예시도이다.
110: 제1 절연층
1210: 제1 회로층
121: 접지 패턴
122: 신호 패턴
130: 접착층
140: 제2 절연층
150: 금속층
160: 캐비티
170: 관통 비아
171: 관통홀
180: 방열층
190: 제2 회로층
195: 제3 회로층
197: 보호층
200: 캐리어 기판
210: 캐리어 코어
220: 캐리어 금속층
300: 반도체 패키지
310: 하부 패키지
311: 제1 인쇄회로기판
312: 제1 소자
320: 상부 패키지
321: 제3 인쇄회로기판
322: 제2 소자
323: 몰딩재
330: 제2 인쇄회로기판
340: 방열 부재
350: 외부 접속 단자
Claims (18)
- 일면에 캐비티가 형성된 절연층;
상기 절연층의 일면 및 내부에 형성된 회로층; 및
상기 캐비티의 내벽 및 타면에 형성되어 방열층;
을 포함하며,
상기 방열층은 상기 절연층의 일면 및 내부에 형성된 회로층 중 적어도 하나와 전기적으로 연결되는 인쇄회로기판.
- 청구항 1에 있어서,
상기 방열층은 전도성 금속인 인쇄회로기판.
- 캐리어 기판 일면에 제1 절연층 및 제1 회로층을 형성하는 단계;
상기 제1 절연층 및 제1 회로층 하부에 캐비티를 갖는 제2 절연층 및 상기 제2 절연층 하부에 형성되는 금속층을 형성하는 단계;
상기 캐리어를 제거하는 단계;
상기 캐비티 내벽 및 타면에 방열층을 형성하는 단계; 및
상기 금속층을 패터닝하여 제2 회로층을 형성하는 단계;
를 포함하는 인쇄회로기판의 제조 방법.
- 청구항 3에 있어서,
상기 방열층을 형성하는 단계에서,
상기 방열층은 전해 도금 방식으로 형성되는 인쇄회로기판의 제조 방법.
- 청구항 3에 있어서,
상기 방열층은 전도성 금속으로 형성되는 인쇄회로기판의 제조 방법.
- 청구항 3에 있어서,
상기 방열층을 형성하는 단계에서,
상기 방열층은 상기 캐리어에 의해서 외부로 노출된 제1 회로층의 일면과 접촉되는 인쇄회로기판의 제조 방법.
- 청구항 3에 있어서,
상기 방열층을 형성하는 단계에서,
상기 방열층은 상기 금속층 일면에 더 형성되는 인쇄회로기판의 제조 방법.
- 청구항 7에 있어서,
상기 제2 회로층을 형성하는 단계에서,
상기 금속층과 상기 금속층 일면에 형성된 방열층이 패터닝되어 제2 회로층이 형성되는 인쇄회로기판의 제조 방법.
- 청구항 3에 있어서,
상기 캐리어는 캐리어 코어 및 상기 캐리어 코어 일면 및 타면에 형성된 캐리어 금속층을 포함하는 인쇄회로기판의 제조 방법.
- 청구항 9에 있어서,
상기 캐리어를 제거하는 단계에서,
상기 캐리어 코어와 캐리어 금속층이 분리되는 인쇄회로기판의 제조 방법.
- 청구항 10에 있어서,
상기 방열층을 형성하는 단계에서,
상기 캐리어 금속층의 타면에도 방열층이 더 형성되는 인쇄회로기판의 제조 방법.
- 청구항 11에 있어서,
상기 제2 회로층을 형성하는 단계에서,
상기 캐리어 금속층과 방열층이 패터닝되어 제3 회로층이 더 형성되는 인쇄회로기판의 제조 방법.
- 청구항 3에 있어서,
상기 제1 절연층 및 제1 회로층을 형성하는 단계에서,
상기 제1 절연층 및 제1 회로층은 상기 캐리어 기판의 타면에 더 형성되는 인쇄회로기판의 제조 방법.
- 제1 인쇄회로기판 및 상기 제1 인쇄회로기판 상부에 배치된 제1 소자를 포함하는 하부 패키지;
상기 하부 패키지의 상부에 배치되며, 일면에 캐비티가 형성된 절연층, 상기 절연층의 일면 및 내부에 형성된 회로층과 상기 캐비티의 내벽 및 타면에 형성되어 상기 절연층의 일면 및 내부에 형성된 회로층 중 적어도 하나와 전기적으로 연결되는 방열층을 포함하는 제2 인쇄회로기판; 및
상기 제2 인쇄회로기판 상부에 배치되며, 제3 인쇄회로기판 및 상기 제3 인쇄회로기판 상부에 배치된 제2 소자를 포함하는 상부 패키지;
를 포함하며,
상기 제1 소자의 적어도 일부가 상기 캐비티에 삽입되는 반도체 패키지.
- 청구항 14에 있어서,
상기 방열층은 전도성 금속인 반도체 패키지.
- 청구항 14에 있어서,
상기 제1 소자와 방열층 사이에 게재되는 방열 부재를 더 포함하는 반도체 패키지.
- 청구항 16에 있어서,
상기 제1 소자의 타면 및 측면 중 적어도 한 곳은 상기 방열 부재와 접촉되는 반도체 패키지.
- 청구항 17에 있어서,
상기 방열 부재는 전도성 페이스트(Paste)로 형성되는 반도체 패키지.
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KR1020150077303A KR102425753B1 (ko) | 2015-06-01 | 2015-06-01 | 인쇄회로기판, 인쇄회로기판의 제조 방법 및 이를 포함하는 반도체 패키지 |
JP2016103754A JP6806316B2 (ja) | 2015-06-01 | 2016-05-24 | プリント回路基板、プリント回路基板の製造方法及びこれを含む半導体パッケージ |
US15/165,462 US10553452B2 (en) | 2015-06-01 | 2016-05-26 | Printed circuit board, method, and semiconductor package |
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US20160351545A1 (en) | 2016-12-01 |
JP6806316B2 (ja) | 2021-01-06 |
JP2016225620A (ja) | 2016-12-28 |
US10553452B2 (en) | 2020-02-04 |
KR102425753B1 (ko) | 2022-07-28 |
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