KR101884971B1 - 더미 다이들을 갖는 팬-아웃 적층 시스템 인 패키지(sip) 및 그 제조 방법 - Google Patents
더미 다이들을 갖는 팬-아웃 적층 시스템 인 패키지(sip) 및 그 제조 방법 Download PDFInfo
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- KR101884971B1 KR101884971B1 KR1020150165023A KR20150165023A KR101884971B1 KR 101884971 B1 KR101884971 B1 KR 101884971B1 KR 1020150165023 A KR1020150165023 A KR 1020150165023A KR 20150165023 A KR20150165023 A KR 20150165023A KR 101884971 B1 KR101884971 B1 KR 101884971B1
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- H01L2225/03—All the devices being of a type provided for in the same main group of the same subclass of class H10, e.g. assemblies of rectifier diodes
- H01L2225/04—All the devices being of a type provided for in the same main group of the same subclass of class H10, e.g. assemblies of rectifier diodes the devices not having separate containers
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Abstract
Description
도 1a 및 1b는 일부 실시예들에 따른 제1 장치 패키지의 단면도 및 톱다운도(top down view).
도 2a 내지 2c는 일부 실시예들에 따른 제1 장치 패키지의 각종 단면 프로파일들을 예시하는 도면.
도 3a 내지 3G는 일부 실시예들에 따른 제1 장치 패키지를 제조하는 중간 단계들의 각종 단면도들.
도 4는 일부 실시예들에 따른 제2 장치 패키지의 단면도를 예시하는 도면.
도 5는 일부 실시예들에 따른 제3 장치 패키지의 단면도를 예시하는 도면.
도 6은 일부 다른 실시예들에 따른 더미 다이들을 갖는 장치 패키지를 형성하기 위한 프로세스 플로우를 예시하는 도면.
Claims (10)
- 시스템 인 패키지(System In Package, SIP)로서,
하나 이상의 제1 장치 다이들, 및 상기 하나 이상의 제1 장치 다이들의 측벽들을 따라 연장되는 제1 몰딩 컴파운드를 포함하는 제1 팬-아웃 티어(tier);
상기 제1 팬-아웃 티어 위의 팬-아웃 재분배층(redistribution layer)들; 및
상기 팬-아웃 RDL들 위의 제2 팬-아웃 티어
를 포함하고,
상기 제2 팬-아웃 티어는,
상기 팬-아웃 RDL들에 본딩된 하나 이상의 제2 장치 다이들로서, 상기 팬-아웃 RDL들은 상기 하나 이상의 제1 장치 다이들을 상기 하나 이상의 제2 장치 다이들에 전기적으로 접속하는 것인, 상기 하나 이상의 제2 장치 다이들;
상기 팬-아웃 RDL들에 본딩되고, 능동 장치들이 없는 더미 다이; 및
상기 하나 이상의 제2 장치 다이들 및 상기 더미 다이의 측벽들을 따라 연장되는 제2 몰딩 컴파운드를 포함하고,
상기 하나 이상의 제1 장치 다이들은 제1 전체 표면 면적을 갖고, 상기 하나 이상의 제2 장치 다이들 및 상기 더미 다이는 제2 전체 표면 면적을 가지며, 상기 더미 다이의 표면 면적은 상기 제1 전체 표면 면적에 대한 상기 제2 전체 표면 면적의 비율이 소정의 범위 내에 있도록 결정되는 것인, 시스템 인 패키지(SIP). - 제1항에 있어서, 상기 더미 다이의 크기, 상기 더미 다이의 물질, 또는 이들의 조합은 상기 제2 팬-아웃 티어의 요구되는 유효 열팽창 계수(coefficient of thermal expansion; CTE)에 따르는 것인, 시스템 인 패키지(SIP).
- 제2항에 있어서, 상기 요구되는 유효 CTE는, 상기 제1 팬-아웃 티어의 유효 CTE, 상기 팬-아웃 RDL들의 유효 CTE, 또는 이들의 조합에 따르는 것인, 시스템 인 패키지(SIP).
- 제1항에 있어서, 상기 더미 다이의 상기 표면 면적은 상기 제1 전체 표면 면적에 대한 상기 제2 전체 표면 면적의 상기 비율이 0.8 내지 1.2의 범위 이내가 되도록 결정되는 것인, 시스템 인 패키지(SIP).
- 제1항에 있어서, 상기 하나 이상의 제2 장치 다이들은 제3 전체 표면 면적을 갖고, 상기 제1 전체 표면 면적은 상기 제3 전체 표면 면적보다 더 크며, 상기 더미 다이는 실리콘 또는 유리를 포함하는 것인, 시스템 인 패키지(SIP).
- 제1항에 있어서, 상기 제1 전체 표면 면적은 상기 제2 전체 표면 면적보다 더 작으며, 상기 더미 다이는 구리를 포함하는 것인, 시스템 인 패키지(SIP).
- 제1항에 있어서, 상기 제1 팬-아웃 티어는 제1 유효 CTE를 갖고, 상기 제2 팬-아웃 티어는 제2 유효 CTE를 가지며, 상기 제2 유효 CTE에 대한 상기 제1 유효 CTE의 비율은 0.9 내지 1.1인 것인, 시스템 인 패키지(SIP).
- 제1항에 있어서, 상기 더미 다이는 상기 하나 이상의 제2 장치 다이들 중 두 개의 제2 장치 다이들 사이에 배치되는 것인, 시스템 인 패키지(SIP).
- 시스템 인 패키지(System In Package, SIP)에 있어서,
하나 이상의 제1 장치 다이들, 및 상기 하나 이상의 제1 다이들을 둘러싸는 제1 몰딩 컴파운드를 포함하는 제1 장치 티어;
제2 장치 티어; 및
상기 제1 장치 티어와 상기 제2 장치 티어 사이의 팬-아웃 재분배층(redistribution layer)들
을 포함하고,
상기 제2 장치 티어는,
하나 이상의 제2 장치 다이들;
더미 다이로서, 상기 더미 다이의 크기 및 물질은 상기 제2 장치 티어의 요구되는 유효 열팽창 계수(coefficient of thermal expansion; CTE)에 따르는 것인, 상기 더미 다이; 및
상기 하나 이상의 제2 장치 다이들 및 상기 더미 다이를 둘러싸는 제2 몰딩 컴파운드를 포함하며,
상기 하나 이상의 제1 장치 다이들 및 상기 하나 이상의 제2 장치 다이들은 상기 팬-아웃 RDL들에 전기적으로 접속되어 있고,
상기 하나 이상의 제1 장치 다이들은 제1 전체 표면 면적을 갖고, 상기 하나 이상의 제2 장치 다이들 및 상기 더미 다이는 제2 전체 표면 면적을 가지며, 상기 더미 다이의 표면 면적은 상기 제1 전체 표면 면적에 대한 상기 제2 전체 표면 면적의 비율이 소정의 범위 내에 있도록 결정되는 것인, 시스템 인 패키지(SIP). - 시스템 인 패키지(System In Package, SIP) 형성 방법에 있어서,
제1 팬-아웃 티어를 형성하는 단계;
상기 제1 팬-아웃 티어 위에 팬-아웃 재분배층(redistribution layer)들을 형성하는 단계; 및
상기 팬-아웃 RDL들 위에 제2 팬-아웃 티어를 형성하는 단계
를 포함하고,
상기 제1 팬-아웃 티어를 형성하는 단계는 하나 이상의 제1 장치 다이들 주위에 제1 몰딩 컴파운드를 형성하는 단계를 포함하고,
상기 제2 팬-아웃 티어를 형성하는 단계는,
하나 이상의 제2 장치 다이들을 상기 팬-아웃 RDL들에 본딩하는 단계,
더미 다이 - 상기 더미 다이의 크기 및 물질은 상기 제2 팬-아웃 티어의 요구되는 유효 열팽창 계수(coefficient of thermal expansion; CTE)에 따라 선택됨 - 를 상기 팬-아웃 RDL들에 본딩하는 단계; 및
상기 하나 이상의 제2 장치 다이들 및 상기 더미 다이 주위에 제2 몰딩 컴파운드를 제공하는 단계를 포함하고,
상기 하나 이상의 제1 장치 다이들은 제1 전체 표면 면적을 갖고, 상기 하나 이상의 제2 장치 다이들 및 상기 더미 다이는 제2 전체 표면 면적을 가지며, 상기 제2 팬-아웃 티어를 형성하는 단계는 상기 제1 전체 표면 면적에 대한 상기 제2 전체 표면 면적의 비율이 소정의 범위 내에 있도록 상기 더미 다이의 표면 면적을 결정하는 단계를 포함하는 것인, 패키지 형성 방법.
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