KR102574453B1 - 우수한 열 방출 특성 및 전자기 차폐 특성을 갖는 반도체 패키지 - Google Patents
우수한 열 방출 특성 및 전자기 차폐 특성을 갖는 반도체 패키지 Download PDFInfo
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- KR102574453B1 KR102574453B1 KR1020180104781A KR20180104781A KR102574453B1 KR 102574453 B1 KR102574453 B1 KR 102574453B1 KR 1020180104781 A KR1020180104781 A KR 1020180104781A KR 20180104781 A KR20180104781 A KR 20180104781A KR 102574453 B1 KR102574453 B1 KR 102574453B1
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Abstract
Description
도 2는 도 1의 반도체 패키지의 요부 단면도이다.
도 3은 도 1 및 도 2의 반도체 패키지의 발열원, 몰드 비아홀, 전자기 차폐층 및 열 방출층의 다양한 배치 상태를 설명하기 위하여 도시한 평면도이다.
도 4는 도 1 및 도 2의 반도체 패키지의 몰드 비아홀의 내벽에 컨포몰하게 형성된 전자기 차폐층을 도시한 요부 단면도이다.
도 5는 본 발명의 기술적 사상의 일 실시예에 의한 반도체 패키지의 요부 단면도이다.
도 6은 본 발명의 기술적 사상의 일 실시예에 의한 반도체 패키지의 요부 단면도이다.
도 7은 본 발명의 기술적 사상의 일 실시예에 의한 반도체 패키지의 요부 단면도이다.
도 8은 본 발명의 기술적 사상의 일 실시예에 의한 반도체 패키지의 평면도이다.
도 9는 도 8의 반도체 패키지의 요부 단면도이다.
도 10은 본 발명의 기술적 사상의 일 실시예에 의한 반도체 패키지 요부 단면도이다.
도 11 내지 도 14는 본 발명의 기술적 사상의 일 실시예에 의한 반도체 패키지의 제조 방법을 설명하기 위한 요부 단면도들이다.
도 15 내지 도 17은 본 발명의 기술적 사상의 일 실시예에 의한 반도체 패키지의 제조 방법을 설명하기 위한 요부 단면도들이다.
도 18은 본 발명의 기술적 사상의 일 실시예에 따른 반도체 패키지를 포함하는 전자 시스템의 블록도이다.
Claims (10)
- 배선 기판 상에 부착되며 상기 배선 기판과 전기적으로 접속된 제1 반도체 칩;
상기 제1 반도체 칩 상에 부착되고 상기 제1 반도체 칩의 전 표면을 커버하는 매개층;
상기 매개층 상에 부착되고 상기 배선 기판과 전기적으로 접속된 제2 반도체 칩;
상기 배선 기판 상에서 상기 제1 반도체 칩 및 제2 반도체 칩을 덮도록 형성되고, 상기 매개층의 일부 표면을 노출하는 몰드 비아홀을 갖는 몰드층;
상기 몰드 비아홀의 내부 및 상기 몰드층 상에 형성된 전자기 차폐층; 및
상기 몰드 비아홀 내의 상기 전자기 차폐층 상에 상기 몰드 비아홀을 매립하도록 형성된 열 방출층을 포함하되,
상기 몰드층은 상기 몰드 비아홀을 한정(defining)하는 내부 표면 및 상기 몰드 비아홀의 주위에 위치하는 상부 표면을 포함하고, 및
상기 전자기 차폐층은 상기 몰드층의 상기 내부 표면 및 상기 몰드층의 상기 상부 표면에 위치하는 것을 특징으로 하는 반도체 패키지. - 제1항에 있어서, 상기 제1 반도체 칩은 로직 칩이고,
상기 제2 반도체 칩은 메모리 칩이고,
상기 제1 반도체 칩은 발열원을 포함하고,
상기 몰드 비아홀 및 상기 열 방출층은 상기 발열원과 대응하여 형성되는 것을 특징으로 하는 반도체 패키지. - 제1항에 있어서, 상기 매개층은 히트 스프레더 또는 인터포저 칩인 것을 특징으로 하는 반도체 패키지.
- 제1항에 있어서, 상기 몰드 비아홀의 바닥에는 상기 매개층의 표면으로부터 리세스된 리세스부가 형성되어 있는 것을 특징으로 하는 반도체 패키지.
- 제1항에 있어서, 상기 전자기 차폐층은 상기 몰드 비아홀의 바닥 및 내벽, 및 상기 몰드층의 표면 및 양측벽에 컨포몰하게 형성되어 있는 것을 특징으로 하는 반도체 패키지.
- 제1항에 있어서, 상기 제2 반도체 칩의 상부 레벨은 상기 제1 반도체 칩 및 제2 반도체 칩이 중첩된 칩 영역, 및 상기 제1 반도체 칩 및 제2 반도체 칩이 중첩되지 않는 열 방출 영역을 포함하며,
상기 열 방출 영역에는 상기 몰드 비아홀 및 상기 열 방출층이 형성되어 있는 것을 특징으로 하는 반도체 패키지. - 배선 기판 상에 부착되며 상기 배선 기판과 전기적으로 접속되고 로직 칩으로 구성된 제1 반도체 칩;
상기 제1 반도체 칩 상에 부착되고 상기 제1 반도체 칩의 전 표면을 커버하는 매개층;
상기 매개층 상에 부착되고 상기 배선 기판과 전기적으로 접속되고 메모리 칩으로 구성된 제2 반도체 칩;
상기 매개층 상에 상기 제2 반도체 칩과 떨어져서 부착되고 상기 배선 기판과 전기적으로 접속되고 메모리 칩으로 구성된 제3 반도체 칩;
상기 배선 기판 상에서 상기 제1 반도체 칩, 제2 반도체 칩 및 제3 반도체 칩을 덮도록 형성되고, 상기 매개층의 일부 표면을 노출하는 몰드 비아홀을 갖는 몰드층;
상기 몰드 비아홀의 내부 및 상기 몰드층 상에 형성된 전자기 차폐층; 및
상기 몰드 비아홀 내의 상기 전자기 차폐층 상에 상기 몰드 비아홀을 매립하도록 형성된 열 방출층을 포함하되,
상기 몰드층은 상기 몰드 비아홀을 한정(defining)하는 내부 표면 및 상기 몰드 비아홀의 주위에 위치하는 상부 표면을 포함하고, 및
상기 전자기 차폐층은 상기 몰드층의 상기 내부 표면 및 상기 몰드층의 상기 상부 표면에 위치하는 것을 특징으로 하는 반도체 패키지. - 제7항에 있어서, 상기 매개층은 히트 스프레더이고,
상기 제1 반도체 칩은 상기 배선 기판과 접속 범프를 통해 접속되고,
상기 제2 반도체 칩 및 제3 반도체 칩은 상기 배선 기판과 본딩 와이어로 접속되는 것을 특징으로 하는 반도체 패키지. - 배선 기판 상에 부착되며, 상기 배선 기판과 전기적으로 접속되고 발열원을 포함하는 로직 칩으로 구성된 제1 반도체 칩;
상기 제1 반도체 칩 상에 부착되고 상기 제1 반도체 칩의 전 표면을 커버하는 매개층;
상기 매개층 상에 부착되고 상기 배선 기판과 전기적으로 접속되고 메모리 칩으로 구성된 제2 반도체 칩;
상기 매개층 상에 상기 제2 반도체 칩과 떨어져서 부착되고 상기 배선 기판과 전기적으로 접속되고 메모리 칩으로 구성된 제3 반도체 칩;
상기 배선 기판 상에서 상기 제1 반도체 칩, 제2 반도체 칩 및 제3 반도체 칩을 덮도록 형성되고, 상기 제2 반도체 칩과 제3 반도체 칩 사이 부분, 및 상기 제2 반도체 칩 및 상기 제3 반도체 칩과 떨어져 상기 매개층의 모서리 부분에 상기 매개층의 일부 표면을 노출하게 구성된 복수개의 몰드 비아홀들을 갖는 몰드층;
상기 몰드 비아홀 각각의 내부 및 상기 몰드층 상에 형성된 전자기 차폐층; 및
상기 몰드 비아홀 각각의 상기 전자기 차폐층 상에 상기 몰드 비아홀들을 매립하도록 형성된 열 방출층을 포함하되,
상기 몰드층은 상기 몰드 비아홀들을 한정(defining)하는 내부 표면들 및 상기 몰드 비아홀들의 주위에 위치하는 상부 표면을 포함하고, 및
상기 전자기 차폐층은 상기 몰드층의 상기 내부 표면들 및 상기 몰드층의 상기 상부 표면에 위치하는 것을 특징으로 하는 반도체 패키지. - 제9항에 있어서, 상기 매개층은 인터포저 칩이고,
상기 제1 반도체 칩은 상기 배선 기판과 접속 범프를 통해 접속되고,
상기 제2 반도체 칩 및 제3 반도체 칩은 각각 복수개의 서브 칩들이 순차적으로 적층된 적층 칩이고, 각각의 서브 칩들은 관통 비아를 통해 서로 접속되고,
상기 제2 반도체 칩 및 제3 반도체 칩은 상기 인터포저 칩을 통해 상기 배선 기판과 본딩 와이어로 접속되는 것을 특징으로 하는 반도체 패키지.
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US11205637B2 (en) | 2021-12-21 |
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