KR102229202B1 - 트렌치 형태의 오프닝을 갖는 반도체 패키지 및 그 제조방법 - Google Patents
트렌치 형태의 오프닝을 갖는 반도체 패키지 및 그 제조방법 Download PDFInfo
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Abstract
Description
도 2a는 도 1a의 평면도이다.
도 2b는 도 1b의 평면도이다.
도 3a 내지 3c는 본 발명의 다른 실시예에 따른 반도체 패키지의 제조방법을 도시한 단면도들이다.
도 4a 내지 4c는 본 발명의 또 다른 실시예에 따른 반도체 패키지의 제조방법을 도시한 단면도들이다.
도 4d는 도 4c의 변형예를 도시한 단면도이다.
도 5a는 도 4a의 평면도이다.
도 5b는 도 4b의 평면도이다.
도 6a 내지 6c는 본 발명의 또 다른 실시예에 따른 반도체 패키지의 제조방법을 도시한 단면도들이다.
도 6d는 도 6c의 변형예를 도시한 단면도이다.
도 7은 도 6a의 평면도이다.
도 8a 내지 8c는 본 발명의 또 다른 실시예에 따른 반도체 패키지의 제조방법을 도시한 단면도들이다.
도 8d 및 8e는 도 8c의 변형예들을 도시한 단면도들이다.
도 9는 도 8a의 평면도이다.
도 10a 내지 10d는 본 발명의 또 다른 실시예들에 따른 제조방법들에 의해 제조된 반도체 패키지들을 도시한 단면도들이다.
도 11a는 본 발명의 실시예들에 따른 반도체 패키지들을 구비한 메모리 카드를 도시한 블록도이다.
도 11b는 본 발명의 실시예들에 따른 반도체 패키지들을 응용한 정보 처리 시스템을 도시한 블록도이다.
도 12a 및 12b는 본 발명의 실시예의 방법과 상이한 반도체 패키지를 제조방법을 도시한 단면도들이다.
도 13a 및 13b는 본 발명의 실시예의 방법과 상이한 반도체 패키지를 제조방법을 도시한 단면도들이다.
Claims (20)
- 하부 패키지 상에 적층된 상부 패키지; 그리고
상기 하부 패키지와 상부 패키지를 전기적으로 연결하는 복수개의 연결 단자들 포함하고,
상기 하부 패키지는:
하부 패키지 기판;
상기 하부 패키지 기판 상에 실장된 하부 반도체 칩; 그리고
상기 하부 패키지 기판 상에 제공되어 상기 하부 반도체 칩을 몰딩하며, 상기 하부 패키지 기판을 라인 형태로 개방하는 트렌치 형태의 제1 오프닝을 갖는 하부 몰드막을 포함하고;
상기 연결 단자들은 상기 제1 오프닝을 통해 노출된 상기 하부 패키지 기판과 전기적으로 연결되고, 그리고 상기 하부 몰드막과 접촉되지 않고,
상기 하부 몰드막은:
상기 하부 반도체 칩의 측면을 둘러싸는 제1 몰드막과; 그리고
상기 제1 오프닝을 사이에 두고 상기 제1 몰드막과 이격된 제2 몰드막을 포함하는 반도체 패키지. - 제1항에 있어서,
상기 제2 몰드막은 상기 제1 몰드막을 둘러싸는 반도체 패키지. - 제2항에 있어서,
상기 제1 몰드막은 상기 하부 패키지 기판의 센터 영역 상에 배치되어 상기 하부 반도체 칩의 측면을 따라 연속적으로 연장되고, 그리고
상기 제2 몰드막은 상기 하부 패키지 기판의 에지 영역 상에 배치되어 상기 에지 영역을 따라 연속적으로 연장된 반도체 패키지. - 제2항에 있어서,
상기 제2 몰드막은 상기 하부 패키지 기판의 모서리들 중 적어도 어느 하나 상에 제공된 적어도 하나의 제2 오프닝을 더 포함하고,
상기 제2 오프닝은 상기 연결 단자들 중 상기 하부 패키지 기판의 모서리 상에 배치된 연결 단자를 둘러싸는 홀 형태를 갖는 반도체 패키지. - 제2항에 있어서,
상기 제1 오프닝은 상기 연결 단자들과 이격되어 상기 연결 단자들과 접촉되지 않는 내측면을 포함하고,
상기 내측면은 상기 하부 패키지 기판으로부터 상기 상부 패키지를 향해 오르막 경사진 반도체 패키지. - 제1항에 있어서,
상기 하부 몰드막은 상기 하부 패키지 기판을 홀 형태로 개방하는 복수개의 제2 오프닝들을 더 포함하는 반도체 패키지. - 제6항에 있어서,
상기 연결 단자들은:
상기 제1 오프닝을 통해 상기 하부 패키지 기판과 전기적으로 연결되는 복수개의 제1 연결 단자들과; 그리고
상기 제2 오프닝들을 통해 상기 하부 패키지 기판과 전기적으로 연결되는 복수개의 제2 연결 단자들을 포함하고,
상기 제1 연결 단자들의 제1 피치는 상기 제2 연결 단자들의 제2 피치와 상이한 반도체 패키지. - 제7항에 있어서,
상기 제1 피치는 상기 제2 피치에 비해 작은 반도체 패키지. - 제1항에 있어서,
상기 하부 몰드막은 상기 하부 패키지 기판의 센터 영역 상에 배치되어 상기 하부 반도체 칩의 측면을 따라 연속적으로 연장되고,
상기 하부 반도체 칩의 상기 측면은 상기 하부 몰드막으로 완전히 덮여 있는 반도체 패키지. - 제9항에 있어서,
상기 하부 몰드막의 상면은 상기 하부 반도체 칩의 상면과 동일한 레벨을 갖거나 혹은 더 높은 레벨을 갖는 반도체 패키지. - 제9항에 있어서,
상기 하부 패키지 기판의 에지 영역을 채워 상기 하부 몰드막을 둘러싸는 제2 하부 몰드막을 더 포함하는 반도체 패키지. - 제1항에 있어서,
상기 하부 반도체 칩 상에 제공된 방열막을 더 포함하는 반도체 패키지. - 제1항에 있어서,
상기 상부 패키지가 적층되어 있는 상기 하부 패키지 기판이 살장되는 베이스 기판과; 그리고
상기 베이스 기판 상에 제공되어 상기 하부 패키지를 몰딩하는 외부 몰드막을 더 포함하고,
상기 외부 몰드막은 상기 오프닝을 더 채우는 반도체 패키지. - 제1항에 있어서,
상기 상부 패키지는:
상부 패키지 기판;
상기 상부 패키지 기판 상에 실장된 상부 반도체 칩; 그리고
상기 상부 패키지 기판 상에 제공되어 상기 상부 반도체 칩을 몰딩하는 상부 몰드막을 포함하고,
상기 상부 패키지와 상기 하부 패키지는 상하 이격된 반도체 패키지. - 하부 패키지 상에 상부 패키지를 적층하여 패키지-온-패키지 타입의 반도체 패키지를 형성하는 것을 포함하고,
상기 하부 패키지를 형성하는 것은:
센터 영역과, 상기 센터 영역을 둘러싸는 에지 영역을 갖는 하부 패키지 기판을 제공하고;
상기 하부 패키지 기판의 상기 센터 영역 상에 하부 반도체 칩을 실장하고;
상기 하부 패키지 기판의 상기 에지 영역 상에 하부 단자들을 형성하고; 그리고
상기 하부 패키지 기판 상에 상기 하부 반도체 칩을 몰딩하며, 그리고 상기 하부 단자들을 개방하는 제1 오프닝을 갖는 하부 몰드막을 형성하는 것을 포함하고,
상기 제1 오프닝은 상기 하부 패키지 기판의 에지 영역을 연속적으로 노출시키는 트렌치 형태를 가지며, 인접한 상기 하부 단자들 사이에 몰드막이 형성되지 아니하고,
상기 하부 몰드막은:
상기 하부 반도체 칩의 측면을 둘러싸는 제1 몰드막과; 그리고
상기 제1 오프닝을 사이에 두고 상기 제1 몰드막과 이격된 제2 몰드막을 포함하는 반도체 패키지의 제조방법. - 제15항에 있어서,
상기 하부 몰드막을 형성하는 것은:
상기 하부 패키지 기판 상에 상기 하부 반도체 칩과 상기 하부 단자들을 덮는 몰드 물질막을 형성하고; 그리고
상기 몰드 물질막을 레이저 드릴링하여 상기 트렌치 형태의 상기 제1 오프닝을 형성하는 것을 포함하고,
상기 제1 오프닝의 내측면은 상기 하부 단자와 접촉되지 않는 반도체 패키지의 제조방법. - 제16항에 있어서,
상기 제1 몰드막은 상기 하부 반도체 칩의 측면을 따라 연속적으로 연장되어 상기 하부 반도체 칩의 측면을 덮고; 그리고
상기 제2 몰드막은 상기 패키지 기판의 상기 에지 상에 제공되어 상기 제1 오프닝을 사이에 두고 상기 제1 몰드막과 이격되며, 상기 제1 몰드막을 둘러싸는 반도체 패키지의 제조방법. - 제16항에 있어서,
상기 하부 몰드막을 형성하는 것은:
상기 몰드 물질막을 레이저 드릴링하여 상기 하부 단자들 중 적어도 어느 하나를 개방하는 홀 형태를 갖는 제2 오프닝을 형성하는 것을;
더 포함하는 반도체 패키지의 제조방법. - 제15항에 있어서,
상기 하부 몰드막을 형성하는 것은:
상기 하부 패키지 기판 상에 상기 하부 반도체 칩과 상기 하부 단자들을 덮는 몰드 물질막을 형성하고; 그리고
상기 몰드 물질막을 레이저 드릴링 혹은 에칭하여 상기 트렌치 형태의 상기 제1 오프닝을 형성하는 것을 포함하고,
상기 제1 오프닝은 상기 하부 패키지 기판의 상기 에지 영역을 완전히 노출시키는 반도체 패키지의 제조방법. - 제19항에 있어서,
상기 하부 몰드막은 상기 하부 반도체 칩의 측면을 따라 연속적으로 연장되어 상기 하부 반도체 칩의 상기 측면을 완전히 덮는 반도체 패키지의 제조방법.
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