KR102008278B1 - 파워칩 통합 모듈과 이의 제조 방법 및 양면 냉각형 파워 모듈 패키지 - Google Patents
파워칩 통합 모듈과 이의 제조 방법 및 양면 냉각형 파워 모듈 패키지 Download PDFInfo
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Abstract
Description
도 2 내지 도 7은 본 발명의 일부 실시예들에 따른 파워칩 통합 모듈의 제조 과정을 단계적으로 나타내는 단면도들이다.
도 8은 본 발명의 일부 실시예들에 따른 파워칩 통합 모듈의 제조 방법을 나타내는 순서도이다.
도 9는 본 발명의 일부 실시예들에 따른 양면 냉각형 파워 모듈 패키지를 나타내는 단면도이다.
도 10은 본 발명의 일부 다른 실시예들에 따른 양면 냉각형 파워 모듈 패키지를 나타내는 단면도이다.
도 11은 도 10의 양면 냉각형 파워 모듈 패키지의 파워칩 통합 모듈을 나타내는 평면도이다.
C2: 제 2 반도체 칩
10: 배선층
P1: 전극 패드
P2: 솔더 패드
20: 내부 전극
21: 수평부
22: 수직부
W: 관통창부
S: 솔더
F: 설치면
30: 제 1 몰딩 부재
100: 파워칩 통합 모듈
200: 하부 기판
210: 하부 절연 기판
211: 제 1 하부 금속층
212: 제 2 하부 금속층
300: 리드 프레임
310: 패들부
320: 리드부
400: 상부 기판
410: 상부 절연 기판
411: 제 1 상부 금속층
412: 제 2 상부 금속층
413: 스페이서부
500: 제 2 몰딩 부재
1000, 2000: 양면 냉각형 파워 모듈 패키지
Claims (11)
- 제 1 반도체 칩;
제 2 반도체 칩;
상기 제 1 반도체 칩과 상기 제 2 반도체 칩을 전기적으로 연결시키도록 상기 제 1 반도체 칩과 상기 제 2 반도체 칩의 상면 또는 하면에 형성되는 배선층;
적어도 상기 배선층, 상기 제 1 반도체 칩, 상기 제 2 반도체 칩 및 이들의 조합들 중 어느 하나 이상의 상면에 형성되는 내부의 전극 패드로부터 상기 제 1 반도체 칩 및 상기 제 2 반도체 칩의 설치면에 형성되는 외부의 솔더 패드까지 연장되게 형성되는 내부 전극; 및
상기 제 1 반도체 칩과 상기 제 2 반도체 칩 및 상기 내부 전극의 적어도 일부분을 둘러싸는 형상으로 형성되는 제 1 몰딩 부재;
를 포함하고,
상기 솔더 패드의 적어도 일부분에 솔더 또는 솔더 패이스트가 도포되고,
상기 배선층의 적어도 일부분에 솔더 또는 솔더 페이스트가 도포되는, 파워칩 통합 모듈. - 제 1 항에 있어서,
상기 내부 전극은
적어도 상기 배선층, 상기 제 1 반도체 칩, 상기 제 2 반도체 칩 중 어느 하나의 상면을 따라 수평 방향으로 형성되는 수평부; 및
상기 수평부로부터 상기 솔더 패드까지 수직 방향으로 연장되게 형성되는 수직부;
를 포함하는, 파워칩 통합 모듈. - 제 1 항에 있어서,
상기 제 1 몰딩 부재는,
적어도 상기 배선층, 상기 제 1 반도체 칩, 상기 제 2 반도체 칩 및 이들의 조합들 중 어느 하나 이상의 상방에 열전달 통로 역할을 할 수 있도록 적어도 상기 배선층, 상기 제 1 반도체 칩, 상기 제 2 반도체 칩 중 어느 하나 이상의 상면을 노출시키는 관통창부가 형성되는, 파워칩 통합 모듈. - 삭제
- 제 1 항에 있어서,
상기 제 1 반도체 칩은 절연 게이트 양극성 트랜지스터(IGBT)이고, 상기 제 2 반도체 칩은 다이오드인, 파워칩 통합 모듈. - 설치면 상에 제 1 반도체 칩과 제 2 반도체 칩을 배치하는 단계;
상기 제 1 반도체 칩과 상기 제 2 반도체 칩의 측면을 둘러싸는 형상으로 제 1 몰딩 부재의 일부분을 1차 몰딩 성형하는 단계;
몰딩된 상기 제 1 몰딩 부재의 상기 일부분을 천공하고, 천공된 부분에 금속 공정을 이용하여 내부 전극의 수직부를 형성하는 단계;
상기 수직부와 연결되도록 상기 내부 전극의 수평부를 형성하고, 상기 제 1 반도체 칩의 상면과 상기 제 2 반도체 칩의 상면을 전기적으로 연결시키는 배선층을 형성하는 단계;
상기 내부 전극의 상기 수평부와 열전달 통로를 제외한 부분에 제 1 몰딩 부재의 나머지 부분을 2차 몰딩 성형하는 단계; 및
외부로 노출된 솔더 패드와 상기 배선층 및 상기 제 1 반도체 칩 또는 상기 제 2 반도체 칩의 적어도 일부분에 솔더 또는 솔더 패이스트를 도포하는 단계;
를 포함하는, 파워칩 통합 모듈의 제조 방법. - 하부 기판;
상기 하부 기판 상에 형성되는 리드 프레임;
상기 리드 프레임 상에 형성되고, 와이어링이 없이 솔더링이 가능하도록 제 1 반도체 칩과 제 2 반도체 칩이 통합된 파워칩 통합 모듈;
상기 파워칩 통합 모듈 상에 형성되는 상부 기판; 및
상기 하부 기판과, 상기 상부 기판 사이에 형성되는 제 2 몰딩 부재를 포함하고,
상기 파워칩 통합 모듈은,
상기 제 1 반도체 칩;
상기 제 2 반도체 칩;
상기 제 1 반도체 칩과 상기 제 2 반도체 칩을 전기적으로 연결시키도록 상기 제 1 반도체 칩과 상기 제 2 반도체 칩의 상면 또는 하면에 형성되는 배선층;
적어도 상기 배선층, 상기 제 1 반도체 칩, 상기 제 2 반도체 칩 및 이들의 조합들 중 어느 하나 이상의 상면에 형성되는 내부의 전극 패드로부터 상기 제 1 반도체 칩 및 상기 제 2 반도체 칩의 설치면에 형성되는 외부의 솔더 패드까지 연장되게 형성되는 내부 전극; 및
상기 제 1 반도체 칩과 상기 제 2 반도체 칩 및 상기 내부 전극의 적어도 일부분을 둘러싸는 형상으로 형성되는 제 1 몰딩 부재;
를 포함하는, 양면 냉각형 파워 모듈 패키지. - 제 7 항에 있어서,
상기 상부 기판은,
상부 절연 기판;
상기 상부 절연 기판의 상면에 형성되는 제 1 상부 금속층;
상기 상부 절연 기판의 하면에 형성되는 제 2 상부 금속층; 및
상기 제 2 상부 금속층과 상기 파워칩 통합 모듈 사이에 형성되는 스페이서부;
를 포함하는, 양면 냉각형 파워 모듈 패키지. - 제 8 항에 있어서,
상기 제 2 상부 금속층으로부터 상기 스페이서부가 돌출되는 형상으로 형성되도록 상기 제 2 상부 금속층과 상기 스페이서부는 식각 공정에 의해 일체로 형성되는, 양면 냉각형 파워 모듈 패키지. - 제 7 항에 있어서,
상기 리드 프레임은,
상기 제 1 반도체 칩과 상기 제 2 반도체 칩이 안착되는 패들부; 및
상기 파워칩 통합 모듈의 상기 내부 전극에 의해서 상기 제 1 반도체 칩 및 상기 제 2 반도체 칩과 전기적으로 연결되는 리드부;
를 포함하는, 양면 냉각형 파워 모듈 패키지. - 제 10 항에 있어서,
상기 하부 기판은,
하부 절연 기판;
상기 하부 절연 기판의 상면에 형성되는 제 1 하부 금속층; 및
상기 하부 절연 기판의 하면에 형성되는 제 2 하부 금속층;을 포함하고,
상기 제 1 하부 금속층은 상기 파워칩 통합 모듈과 대응되도록 패턴이 형성되는, 양면 냉각형 파워 모듈 패키지.
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US16/203,354 US10879222B2 (en) | 2017-12-07 | 2018-11-28 | Power chip integration module, manufacturing method thereof, and double-sided cooling power module package |
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KR102714726B1 (ko) * | 2021-09-30 | 2024-10-08 | 주식회사 아모센스 | 파워모듈용 세라믹 기판, 그 제조방법 및 이를 구비한 파워모듈 |
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