KR102240704B1 - 패키지 기판, 패키지 기판의 제조 방법 및 이를 이용한 적층형 패키지 - Google Patents
패키지 기판, 패키지 기판의 제조 방법 및 이를 이용한 적층형 패키지 Download PDFInfo
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Abstract
Description
도 2 내지 도 10은 본 발명의 제1 실시 예에 따른 패키지 기판의 제조 방법을 나타낸 예시도이다.
도 11은 본 발명의 제2 실시 예에 따른 패키지 기판을 나타낸 예시도이다.
도 12 내지 도 14는 본 발명의 제2 실시 예에 따른 패키지 기판의 제조 방법을 나타낸 예시도이다.
도 15는 본 발명의 제3 실시 예에 따른 패키지 기판을 나타낸 예시도이다.
도 16 내지 도 26은 본 발명의 제3 실시 예에 따른 패키지 기판의 제조 방법을 나타낸 예시도이다.
도 27은 본 발명의 제4 실시 예에 따른 패키지 기판을 나타낸 예시도이다.
도 28 내지 도 30은 본 발명의 제4 실시 예에 따른 패키지 기판의 제조 방법을 나타낸 예시도이다.
도 31은 본 발명의 실시 예에 따른 적층형 패키지를 나타낸 예시도이다.
110: 코어 기판
111: 제1 절연층
112: 제2 절연층
115: 관통홀
116: 캐비티
121: 제1 회로 패턴
122: 제2 회로 패턴
123: 비아
130: 에칭 보호층
140: 솔더 레지스트층
150: 표면 처리층
160, 260, 360, 460: 외부 접속 단자
161, 261, 361, 461: 시드층
162, 262, 362, 462: 제1 도금층
163, 363: 제2 도금층
170: 외부 보호층
263, 463: 전도성 볼
500: 적층형 패키지
510: 제1 패키지 기판
520: 제2 패키지 기판
521: 외부 접속 패드
530: 전자 소자
700: 캐리어 기판
710: 캐리어 코어
720: 금속층
Claims (25)
- 캐비티가 형성된 제1 절연층; 및
상기 제1 절연층을 관통하도록 형성되어 일단이 상기 제1 절연층의 일면의 외부로 돌출되도록 형성된 제1 도금층, 및 상기 외부로 돌출된 제1 도금층 상에 형성된 제2 도금층을 포함하는 외부 접속 단자;
를 포함하고,
상기 제1 도금층이 상기 제1 절연층을 관통하는 방향을 기준으로, 상기 제1 도금층의 상면과 상기 제2 도금층의 상면 간의 거리는 상기 제1 도금층의 상면과 상기 제1 절연층의 일면 간의 거리보다 작은, 패키지 기판.
- 삭제
- 청구항 1에 있어서,
상기 제1 도금층과 제2 도금층은 서로 상이한 재질로 형성된 패키지 기판.
- 삭제
- 청구항 1에 있어서,
상기 제1 절연층의 타면에 형성되며, 상기 외부 접속 단자의 타단과 접합되는 제1 회로 패턴을 더 포함하는 패키지 기판.
- 청구항 5에 있어서,
상기 제1 회로 패턴은 상기 제1 절연층의 내부에 매립되도록 형성된 패키지 기판.
- 청구항 5에 있어서,
상기 제1 회로 패턴 중 일부는 상기 캐비티 내부에 위치하는 패키지 기판.
- 청구항 7에 있어서,
상기 캐비티 내부에 위치한 제1 회로 패턴을 감싸도록 형성된 외부 보호층을 더 포함하는 패키지 기판.
- 청구항 5에 있어서,
상기 제1 절연층의 타면에 형성된 제2 절연층; 및
상기 제2 절연층의 타면에 형성된 제2 회로 패턴;
을 더 포함하는 패키지 기판.
- 캐비티가 형성된 제1 절연층과 상기 제1 절연층을 관통하도록 형성되어 일단이 상기 제1 절연층의 일면의 외부로 돌출되도록 형성된 제1 도금층, 및 상기 외부로 돌출된 제1 도금층 상에 형성된 제2 도금층을 포함하는 외부 접속 단자를 포함하는 제1 패키지 기판;
상기 제1 패키지 기판의 하부에 위치하며, 상면에 형성된 외부 접속 패드를 포함하는 제2 패키지 기판; 및
상기 제2 패키지 기판의 상부에 배치되는 동시에 상기 제1 패키지 기판의 캐비티 내부에 배치되는 전자 소자;
를 포함하며,
상기 외부 접속 단자는 상기 외부 접속 패드와 접촉되고,
상기 제1 도금층이 상기 제1 절연층을 관통하는 방향을 기준으로, 상기 제1 도금층의 상면과 상기 제2 도금층의 상면 간의 거리는 상기 제1 도금층의 상면과 상기 제1 절연층의 일면 간의 거리보다 작은, 적층형 패키지.
- 삭제
- 청구항 10에 있어서,
상기 제1 도금층과 제2 도금층은 서로 상이한 재질로 형성된 적층형 패키지.
- 삭제
- 청구항 10에 있어서,
상기 제1 절연층의 타면에 형성되며, 상기 외부 접속 단자의 타단과 접합되는 제1 회로 패턴을 더 포함하는 적층형 패키지.
- 제1 절연층을 형성하는 단계;
상기 제1 절연층을 관통하며, 일단이 상기 제1 절연층의 일면의 외부로 돌출되도록 형성된 외부 접속 단자를 형성하는 단계; 및
상기 제1 절연층의 일면에 캐비티를 형성하는 단계;
를 포함하고,
상기 외부 접속 단자를 형성하는 단계는,
상기 제1 절연층을 관통하는 관통홀을 형성하는 단계;
상기 관통홀의 내벽에 무전해 도금 방법으로 시드층을 형성하는 단계;
상기 제1 절연층의 일면의 외부로 돌출되도록 상기 시드층이 형성된 관통홀에 전해 도금 방법으로 제1 도금층을 형성하는 단계; 및
상기 제1 도금층 중에서 상기 제1 절연층의 외부로 돌출된 부분에 제2 도금층을 형성하는 단계; 를 더 포함하며,
상기 제1 도금층이 상기 제1 절연층을 관통하는 방향을 기준으로, 상기 제1 도금층의 상면과 상기 제2 도금층의 상면 간의 거리는 상기 제1 도금층의 상면과 상기 제1 절연층의 일면 간의 거리보다 작은, 패키지 기판의 제조 방법.
- 삭제
- 삭제
- 삭제
- 청구항 15에 있어서,
상기 제1 절연층을 형성하는 단계 이전에,
제2 절연층, 상기 제2 절연층 일면에 형성된 제1 회로 패턴과 타면에 형성된 제2 회로 패턴을 형성하는 단계를 더 포함하며,
상기 제1 절연층은 상기 제2 절연층의 일면에 형성되어 상기 제1 회로 패턴을 매립하도록 형성되는 패키지 기판의 제조 방법.
- 청구항 19에 있어서,
상기 제1 회로 패턴은 상기 제2 절연층으로부터 돌출되도록 형성된 패키지 기판의 제조 방법.
- 청구항 19에 있어서,
상기 제1 절연층을 형성하는 단계 이전에,
상기 제1 회로 패턴 중에서 상기 캐비티가 형성되는 영역에 위치한 제1 회로 패턴을 감싸는 에칭 보호층을 형성하는 단계를 더 포함하는 패키지 기판의 제조 방법.
- 청구항 21에 있어서,
상기 캐비티를 형성하는 단계에서,
상기 캐비티는 상기 에칭 보호층을 노출하도록 형성되는 패키지 기판의 제조 방법.
- 청구항 22에 있어서,
상기 캐비티를 형성하는 단계 이후에,
상기 에칭 보호층을 제거하는 단계를 더 포함하는 패키지 기판의 제조 방법.
- 청구항 19에 있어서,
상기 제2 절연층, 제1 회로 패턴 및 제2 회로 패턴을 형성하는 단계는,
상기 제2 절연층, 제1 회로 패턴 및 제2 회로 패턴을 포함하는 코어 기판을 제공함으로써 수행되는 패키지 기판의 제조 방법.
- 청구항 19에 있어서,
상기 제2 절연층, 제1 회로 패턴 및 제2 회로 패턴을 형성하는 단계는,
캐리어 기판을 준비하는 단계;
상기 캐리어 기판의 일면에 제2 회로 패턴을 형성하는 단계;
상기 캐리어 기판의 일면에 형성되어 제2 회로 패턴을 매립하는 제2 절연층을 형성하는 단계; 및
상기 제2 절연층의 일면에 제1 회로 패턴을 형성하는 단계;
를 포함하는 패키지 기판의 제조 방법.
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US14/736,128 US20160021749A1 (en) | 2014-07-15 | 2015-06-10 | Package board, method of manufacturing the same and stack type package using the same |
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US5986209A (en) | 1997-07-09 | 1999-11-16 | Micron Technology, Inc. | Package stack via bottom leaded plastic (BLP) packaging |
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CN101911847B (zh) * | 2007-12-25 | 2012-07-18 | 株式会社村田制作所 | 多层配线基板的制造方法 |
KR101486420B1 (ko) * | 2008-07-25 | 2015-01-26 | 삼성전자주식회사 | 칩 패키지, 이를 이용한 적층형 패키지 및 그 제조 방법 |
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JP5221315B2 (ja) * | 2008-12-17 | 2013-06-26 | 新光電気工業株式会社 | 配線基板及びその製造方法 |
US9299648B2 (en) * | 2009-03-04 | 2016-03-29 | Stats Chippac Ltd. | Integrated circuit packaging system with patterned substrate and method of manufacture thereof |
US20100327419A1 (en) * | 2009-06-26 | 2010-12-30 | Sriram Muthukumar | Stacked-chip packages in package-on-package apparatus, methods of assembling same, and systems containing same |
US9385009B2 (en) * | 2011-09-23 | 2016-07-05 | STATS ChipPAC Pte. Ltd. | Semiconductor device and method of forming stacked vias within interconnect structure for Fo-WLCSP |
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