KR101786217B1 - 팬-아웃 패키지 및 그 형성 방법 - Google Patents
팬-아웃 패키지 및 그 형성 방법 Download PDFInfo
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- KR101786217B1 KR101786217B1 KR1020150161132A KR20150161132A KR101786217B1 KR 101786217 B1 KR101786217 B1 KR 101786217B1 KR 1020150161132 A KR1020150161132 A KR 1020150161132A KR 20150161132 A KR20150161132 A KR 20150161132A KR 101786217 B1 KR101786217 B1 KR 101786217B1
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
- H01L2924/1815—Shape
- H01L2924/1816—Exposing the passive side of the semiconductor or solid-state body
- H01L2924/18162—Exposing the passive side of the semiconductor or solid-state body of a chip with build-up interconnect
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Abstract
Description
도 1a 및 도 1b는 일부 실시형태에 따른 반도체 패키지의 단면도를 보여준다.
도 2 내지 도 9는 일부 실시형태에 따른 반도체 패키지의 제조에 있어서 여러 중간 스테이지들의 단면도를 보여준다.
도 10은 일부 실시형태에 따라 반도체 패키지를 제조하는 공정 흐름을 보여준다.
Claims (10)
- 반도체 다이;
상기 반도체 다이의 측벽을 따라 연장되어 있고 제1 필러를 포함하는 몰딩 컴파운드;
상기 몰딩 컴파운드의 위에 있고 상기 반도체 다이의 측벽을 따라 연장되어 있으며 상기 제1 필러보다 작은 제2 필러를 포함하는 평탄화 폴리머층; 및
상기 반도체 다이에 전기적으로 접속되어 있고 상기 반도체 다이의 에지를 지나 상기 평탄화 폴리머층의 상면 상으로 연장되어 있는 하나 이상의 팬-아웃 재분배층(RDLs)
을 포함하는 디바이스 패키지. - 제1항에 있어서, 상기 제1 필러와 제2 필러는 산화 규소, 산화 알루미늄, 질화 붕소, 또는 이들의 조합을 포함하는 것인 디바이스 패키지.
- 제1항에 있어서, 상기 몰딩 컴파운드와 상기 평탄화 폴리머층을 관통하여 연장되어 있고 상기 하나 이상의 팬-아웃 RDLs에 전기적으로 접속되어 있는 TIV(through-intervia)를 더 포함하는 디바이스 패키지.
- 제1항에 있어서, 상기 제1 필러는 25 ㎛ 이하의 평균 직경을 갖고, 상기 제2 필러는 5 ㎛ 이하의 평균 직경을 갖는 것인 디바이스 패키지.
- 제4항에 있어서, 상기 제2 필러의 평균 직경은 상기 제1 필러의 평균 직경의 50% 이하인 것인 디바이스 패키지.
- 제1항에 있어서, 상기 반도체 다이는,
접촉 패드;
상기 접촉 패드의 위에 있고 상기 접촉 패드에 전기적으로 접속되어 있는 도전성 필라(conductive pillar); 및
상기 도전성 필라의 주위에 배치되어 있는 유전체층을 포함하고, 상기 평탄화 폴리머층과 상기 몰딩 컴파운드 사이의 계면이 상기 유전체층과 교차하는 것인 디바이스 패키지. - 반도체 다이;
상기 반도체 다이의 주위에 배치되고, 제1 필러를 포함하는 몰딩 컴파운드;
상기 몰딩 컴파운드의 위에 그리고 상기 반도체 다이의 주위에 있고, 상기 제1 필러보다 작은 제2 필러를 포함하는 평탄화 폴리머층;
상기 몰딩 컴파운드와 상기 평탄화 폴리머층을 관통하여 연장되어 있는 TIV; 및
상기 반도체 다이와 상기 평탄화 폴리머층의 위에 있고 상기 반도체 다이 및 상기 TIV에 전기적으로 접속되어 있는 팬-아웃 재분배층(RDL)
을 포함하는 디바이스 패키지. - 반도체 다이의 주위에 몰딩 컴파운드의 제1 부분을 형성하는 단계로서, 상기 몰딩 컴파운드의 제1 부분의 상면이 상기 반도체 다이의 상면보다 낮은 것인 몰딩 컴파운드의 제1 부분 형성 단계;
상기 몰딩 컴파운드와 상기 반도체 다이의 위에 폴리머층을 형성하는 단계로서, 상기 폴리머층은 상기 몰딩 컴파운드에 있는 제1 필러보다 작은 제2 필러를 포함하는 것인 폴리머층 형성 단계;
상기 반도체 다이를 노출시키도록 상기 폴리머층을 평탄화하는 단계; 및
상기 폴리머층과 상기 반도체 다이의 위에 팬-아웃 재분배층(RDL)을 형성하는 단계로서, 상기 팬-아웃 RDL은 상기 반도체 다이에 전기적으로 접속되어 있는 것인 팬-아웃 RDL 형성 단계
를 포함하는 방법. - 제8항에 있어서, 상기 몰딩 컴파운드 형성 단계는, 상기 반도체 다이의 상면 상에 몰딩 컴파운드의 제2 부분을 형성하는 것을 더 포함하고, 상기 폴리머층 평탄화 단계는 상기 몰딩 컴파운드의 제2 부분을 제거하는 것을 포함하는 것인 방법.
- 제8항에 있어서, 상기 몰딩 컴파운드의 제1 부분 형성 단계는, 상기 몰딩 컴파운드의 제1 부분을 TIV의 주위에 형성하는 단계를 포함하고, 상기 제1 부분의 상면은 상기 TIV의 상면보다 낮은 것인 방법.
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