KR102551352B1 - 반도체 패키지 및 그 제조 방법 - Google Patents
반도체 패키지 및 그 제조 방법 Download PDFInfo
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- KR102551352B1 KR102551352B1 KR1020190078341A KR20190078341A KR102551352B1 KR 102551352 B1 KR102551352 B1 KR 102551352B1 KR 1020190078341 A KR1020190078341 A KR 1020190078341A KR 20190078341 A KR20190078341 A KR 20190078341A KR 102551352 B1 KR102551352 B1 KR 102551352B1
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- lower electrode
- electrode pad
- insulating layer
- redistribution
- pattern
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Abstract
Description
도 2는 도 1의 "Ⅱ"로 표시된 영역을 확대하여 나타내는 확대 단면도이다.
도 3은 본 발명의 예시적인 실시예들에 따른 반도체 패키지의 제조 방법을 나타내는 흐름도이다.
도 4a 내지 도 4l는 본 발명의 예시적인 실시예들에 따른 반도체 패키지의 제조 방법을 순서에 따라 나타내는 단면도들이다.
도 5a 내지 도 5e는 본 발명의 예시적인 실시예들에 따른 제1 재배선 패턴의 형성 방법을 순서에 따라 나타내는 단면도들이다.
도 6은 본 발명의 예시적인 실시예들에 따른 반도체 패키지를 나타내는 단면도이다.
도 7은 본 발명의 예시적인 실시예들에 따른 반도체 패키지를 나타내는 단면도이다.
110: 재배선 절연층 120, 130, 140: 재배선 패턴
121, 131, 141: 도전성 라인 패턴
123, 133, 143: 도전성 비아 패턴
125, 135, 145: 씨드층 150: 하부 전극 패드
200: 반도체 칩 210: 반도체 기판
220: 칩 패드 230: 칩 연결 단자
240: 언더필 물질층 300: 몰딩층
400: 외부 연결 단자
Claims (20)
- 재배선 절연층 및 재배선 패턴을 포함하는 재배선 구조물;
상기 재배선 절연층의 제1 면 상에 마련되고, 상기 재배선 패턴에 전기적으로 연결된 반도체 칩;
상기 재배선 절연층의 상기 제1 면에 반대된 제2 면 상에 마련되고, 상기 재배선 절연층에 매립된 제1 부분 및 상기 재배선 절연층의 상기 제2 면으로부터 돌출된 제2 부분을 포함하는 하부 전극 패드; 및
상기 하부 전극 패드의 상기 제2 부분의 바닥면에 부착된 외부 연결 단자;
를 포함하고,
상기 하부 전극 패드의 상기 제1 부분의 두께는 상기 하부 전극 패드의 상기 제2 부분의 두께보다 크고,
상기 재배선 절연층의 상기 제2 면은 외부로 노출되고,
상기 재배선 절연층 및 상기 외부 연결 단자는 상기 하부 전극 패드의 상기 제2 부분의 측벽이 외부에 노출되도록 상기 하부 전극 패드의 상기 제2 부분의 상기 측벽을 덮지 않는 반도체 패키지. - 제 1 항에 있어서,
상기 하부 전극 패드의 상기 제2 부분의 두께는 상기 하부 전극 패드의 전체 두께의 약 10% 내지 약 30% 사이인 반도체 패키지. - 삭제
- 제 1 항에 있어서,
상기 재배선 패턴은 상기 재배선 절연층의 일부를 관통하여 상기 하부 전극 패드에 연결된 도전성 비아 패턴을 더 포함하는 반도체 패키지. - 제 4 항에 있어서,
상기 재배선 절연층의 상기 제1 면으로부터 상기 제2 면을 향하는 제1 방향에 있어서, 상기 도전성 비아 패턴은 상기 제1 방향으로 점차 폭이 좁아지는 형상을 가지는 반도체 패키지. - 제 4 항에 있어서,
상기 재배선 패턴은 상기 도전성 비아 패턴의 측벽을 둘러싸고 상기 도전성 비아 패턴과 상기 하부 전극 패드 사이에 마련된 씨드층을 더 포함하는 반도체 패키지. - 제 1 항에 있어서,
상기 반도체 칩은 상기 재배선 절연층의 상기 제1 면과 마주하는 표면 상에 마련된 칩 패드를 포함하고,
상기 반도체 패키지는 상기 재배선 절연층의 상기 제1 면 상의 상기 재배선 패턴의 일부와 상기 반도체 칩의 상기 칩 패드 사이에 제공된 칩 연결 단자를 더 포함하는 반도체 패키지. - 삭제
- 제 1 항에 있어서,
상기 하부 전극 패드의 상기 제2 부분의 상기 바닥면은 평평한 형상을 가지는 반도체 패키지. - 제 1 항에 있어서,
상기 반도체 칩의 측면을 덮는 몰딩층; 및
상기 몰딩층을 관통하고, 상기 재배선 패턴에 전기적으로 연결된 도전성 필라;
를 더 포함하는 반도체 패키지. - 서로 반대된 제1 면 및 제2 면을 포함하는 재배선 절연층;
상기 재배선 절연층 내의 제1 도전성 라인 패턴;
상기 재배선 절연층의 상기 제1 면 상의 제2 도전성 라인 패턴;
상기 재배선 절연층에 매립된 제1 부분 및 상기 재배선 절연층의 상기 제2 면으로부터 돌출된 제2 부분을 포함하는 하부 전극 패드;
상기 제1 도전성 라인 패턴과 상기 하부 전극 패드 사이에서 연장되고, 상기 하부 전극 패드에 접하는 제1 도전성 비아 패턴;
상기 제2 도전성 라인 패턴과 상기 제1 도전성 라인 패턴 사이에서 연장된 제2 도전성 비아 패턴;
상기 제2 도전성 라인 패턴 상의 반도체 칩; 및
상기 하부 전극 패드의 상기 제2 부분의 바닥면에 부착된 외부 연결 단자;
을 포함하고,
상기 재배선 절연층의 상기 제2 면은 외부로 노출되고,
상기 재배선 절연층 및 상기 외부 연결 단자는 상기 하부 전극 패드의 상기 제2 부분의 측벽이 외부에 노출되도록 상기 하부 전극 패드의 상기 제2 부분의 상기 측벽을 덮지 않는 반도체 패키지. - 제 11 항에 있어서,
상기 하부 전극 패드의 상기 제2 부분의 두께는 약 1 ㎛ 내지 약 3 ㎛ 사이인 반도체 패키지. - 제 11 항에 있어서,
상기 재배선 절연층의 상기 제1 면으로부터 상기 재배선 절연층의 상기 제2 면을 향하는 제1 방향에 있어서, 상기 제1 도전성 비아 패턴 및 상기 제2 도전성 비아 패턴은 각각 상기 제1 방향으로 점차 폭이 좁아지는 형상을 가지는 반도체 패키지. - 제 11 항에 있어서,
상기 하부 전극 패드의 제2 부분의 상기 측벽의 높이는 상기 하부 전극 패드의 상기 제1 부분의 측벽의 높이보다 큰 반도체 패키지. - 제 11 항에 있어서,
상기 제1 도전성 비아 패턴의 측벽을 둘러싸고 상기 제1 도전성 비아 패턴과 상기 하부 전극 패드 사이에 마련된 제1 씨드층; 및
상기 제2 도전성 비아 패턴의 측벽을 둘러싸고 상기 제2 도전성 비아 패턴과 상기 제1 도전성 비아 패턴 사이에 마련된 제2 씨드층;
을 더 포함하고,
상기 제1 씨드층은 상기 하부 전극 패드에 직접 접촉된 반도체 패키지. - 제 11 항에 있어서,
상기 제2 도전성 라인 패턴과 상기 반도체 칩 사이에 배치된 칩 연결 단자; 및
상기 반도체 칩과 상기 재배선 절연층의 상기 제1 면 사이에 마련되고 상기 칩 연결 단자를 둘러싸는 언더필 물질층;
을 더 포함하는 반도체 패키지. - 제 11 항에 있어서,
상기 하부 전극 패드의 상기 제2 부분의 상기 바닥면은 평평한 형상을 가지는 반도체 패키지. - 복수의 절연층을 가진 재배선 절연층, 상기 복수의 절연층 각각의 상면 상에 배치된 복수의 도전성 라인 패턴, 및 상기 복수의 절연층 중 적어도 하나를 관통하고 상기 복수의 도전성 라인 패턴 중 적어도 하나에 연결된 복수의 도전성 비아 패턴을 포함하는 재배선 구조물;
상기 재배선 구조물의 상면 상의 반도체 칩;
상기 반도체 칩과 상기 복수의 도전성 라인 패턴 중 최상층의 도전성 라인 패턴 사이에 개재된 칩 연결 단자;
상기 반도체 칩과 상기 재배선 구조물 사이에서, 상기 칩 연결 단자를 감싸는 언더필 물질층;
상기 반도체 칩의 적어도 일부를 덮는 몰딩층;
상기 재배선 구조물의 하면 상의 하부 전극 패드; 및
상기 하부 전극 패드의 바닥면에 연결된 외부 연결 단자;
를 포함하고,
상기 하부 전극 패드는 상기 복수의 절연층 중 최하층의 절연층에 매립된 제1 부분 및 상기 최하층의 절연층의 하면으로부터 돌출된 제2 부분을 포함하고, 상기 하부 전극 패드의 상기 제2 부분의 두께는 상기 하부 전극 패드의 상기 제1 부분의 두께보다 작고,
상기 최하층의 절연층의 상기 하면은 외부에 노출되고,
상기 재배선 절연층 및 상기 외부 연결 단자는 상기 하부 전극 패드의 상기 제2 부분의 측벽이 외부에 노출되도록 상기 하부 전극 패드의 상기 제2 부분의 상기 측벽을 덮지 않는 반도체 패키지. - 제 18 항에 있어서,
상기 복수의 도전성 비아 패턴은 각각 상기 재배선 구조물의 상기 상면으로부터 상기 재배선 구조물의 상기 하면을 향하는 방향으로 점차 좁아지는 형상을 가지는 반도체 패키지. - 제 18 항에 있어서,
상기 복수의 도전성 비아 패턴 중 일부는 상기 하부 전극 패드에 접하는 반도체 패키지.
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