KR101731005B1 - 전도성 필라를 구비하는 집적회로 패키지 시스템 및 그 제조 방법 - Google Patents
전도성 필라를 구비하는 집적회로 패키지 시스템 및 그 제조 방법 Download PDFInfo
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- KR101731005B1 KR101731005B1 KR1020100088564A KR20100088564A KR101731005B1 KR 101731005 B1 KR101731005 B1 KR 101731005B1 KR 1020100088564 A KR1020100088564 A KR 1020100088564A KR 20100088564 A KR20100088564 A KR 20100088564A KR 101731005 B1 KR101731005 B1 KR 101731005B1
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Abstract
Description
도 2는 도 1의 집적회로 패키지 시스템에서 라인 2-2를 따르는 단면도이다.
도 3은 비아가 형성되어 있는, 본 발명의 또 다른 실시형태인 집적회로 패키지 시스템의 단면도이다.
도 4는 상부 부동태 피막이 적층되어 있는, 도 3의 집적회로 패키지 시스템이다.
도 5는 비아가 충전되어 있는, 도 3의 집적회로 패키지 시스템이다.
도 6은 상부 부동태 피막이 제거된, 도 3의 집적회로 패키지 시스템이다.
도 7은 패키지가 부착되어 있는, 도 3의 집적회로 패키지 시스템이다.
도 8은 부동태 후막이 적층되어 있는, 본 발명의 또 다른 실시형태인 집적회로 패키지 시스템의 단면도이다.
도 9는 비아가 충전되어 있는, 도 8의 집적회로 패키지 시스템이다.
도 10은 부동태 피막이 제거된, 도 8의 집적회로 패키지 시스템이다.
도 11은 다이가 부착되고, 와이어 본딩되어 있는, 도 8의 집적회로 패키지 시스템이다.
도 12는 봉지되어 있는, 도 8의 집적회로 패키지 시스템이다.
도 13은 패키지가 부착되어 있는, 도 8의 집적회로 패키지 시스템이다.
도 14는 몰드 스텐실이 부착되어 있는, 본 발명의 또 다른 일 실시형태인 집적회로 패키지 시스템의 단면도이다.
도 15는 솔더 페이스트가 적층되어 있는, 도 14의 집적회로 패키지 시스템이다.
도 16은 패키지가 부착되어 있는, 도 14의 집적회로 패키지 시스템이다.
도 17은 기판 스텐실이 부착되어 있는, 본 발명의 또 다른 일 실시형태인 집적회로 패키지 시스템의 단면도이다.
도 18은 솔더 페이스트가 적층되어 있는, 도 17의 집적회로 패키지 시스템이다.
도 19는 패키지가 부착되어 있는, 도 17의 집적회로 패키지 시스템이다.
도 20은 본 발명의 또 다른 실시형태인, 집적회로 패키지 시스템의 제조 방법의 흐름도이다.
일 실시형태에 따르면, 집적회로 패키지 시스템 제조 방법은, 기판을 제공하는 단계와; 실질적으로 평행하며 수직인 측면들을 구비하는 전도성 필라가 상기 기판과 직접 접촉하도록, 전도성 필라를 형성하는 단계와; 기판에 집적회로를 실장하되, 상기 전도성 필라 옆에 실장하는 단계와; 상단면을 구비하는 봉지재로 상기 집적회로를 봉지하되, 그 상단면 위로 전도성 필라가 연장하도록, 집적회로를 봉지하는 단계를 포함한다.
일 실시형태에서, 이 방법은, 상기 기판 위에 비아가 형성되어 있는 부동태 피막을 형성하는 단계와; 상기 부동태 피막의 비아를 전도성 필라로 채우는 단계와; 상기 부동태 피막을 제거하는 단계를 포함하고; 상기 집적회로를 봉지하는 단계는, 봉지재의 상단면 위에서 전도성 필라의 측면부가 노출된 상태로, 전도성 필라 주위에 봉지재를 형성하는 단계를 포함한다.
일 실시형태에서, 이 방법은, 봉지재를 관통하는 비아를 형성하는 단계와; 상기 봉지재의 상단면 상에 부동태 피막을 형성하는 단계와; 전도성 필라가 상기 봉지재의 상단면 위로 나오도록, 상기 비아를 전도성 필라로 채우는 단계와; 상기 봉지재 위에서 상기 전도성 필라의 측면부를 노출시키기 위해, 상기 부동태 피막을 제거하는 단계를 포함한다.
일 실시형태에서, 이 방법은, 플립-칩 또는 와이어 본딩된 다이를 실장하는 단계를 포함한다.
일 실시형태에서, 이 방법은, 솔더 페이스트를 상기 전도성 필라의 최상단부에 적층하는 단계를 또한 포함한다.
일 실시형태에 따르면, 집적회로 패키지 시스템은, 기판과; 실질적으로 평행하며 수직인 측면들을 구비하며, 상기 기판과 직접 접촉하는 전도성 필라와; 상기 전도성 필라 옆에서 기판에 실장되어 있는 집적회로와; 상기 집적회로를 봉지하는 봉지재를 포함하되, 상기 전도성 필라는 상기 기판에서부터 봉지재를 관통하여 그 봉지재의 상단면을 지나 연장한다.
일 실시형태에서, 이 시스템은, 그 봉지재를 관통하는 비아를 형성하기 위해 에칭 또는 드릴링 가공되는 특성을 구비한다.
일 실시형태에서, 이 시스템은, 그 봉지재가 전도성 필라 둘레에 형성되는 특성을 구비한다.
일 실시형태에서, 이 시스템은 집적 회로로 플립-칩 또는 와이어 본딩된 다이를 포함한다.
일 실시형태에서, 이 시스템은, 상기 전도성 필라의 최상단부에 적층되어 있는 솔더 페이스트를 또한 포함한다.
Claims (10)
- 집적회로 패키지 시스템 제조 방법으로,
기판에 집적회로를 실장하는 단계;
상단면을 구비하는 봉지재로 상기 집적회로를 봉지하는 단계;
봉지재를 관통하는 비아를 형성하는 단계;
기판 위에 부동태 피막을 형성하는 단계;
전도성 필라를 형성하는 단계로, 이 단계는 봉지재의 상단면 위로 전도성 필라가 나오도록 상기 비아를 전도성 필라로 채우는 단계를 포함하되, 상기 전도성 필라는 평행한 수직 측면들을 구비하고 또한 상기 기판과 직접 접촉하는, 전도성 필라 형성 단계; 및
상기 봉지재 위에서 전도성 필라의 측면부를 노출시키기 위해 부동태 피막을 제거하는 단계;를 포함하는 것을 특징으로 하는 집적회로 패키지 시스템 제조 방법. - 제1항에 있어서,
전도성 필라를 형성하는 단계는, 상기 기판 위에 비아가 형성되어 있는 부동태 피막을 형성하는 단계와;
상기 부동태 피막의 비아를 전도성 필라로 채우는 단계와;
상기 부동태 피막을 제거하는 단계를 포함하고;
상기 집적회로를 봉지하는 단계는, 봉지재의 상단면 위에서 전도성 필라의 측면부가 노출된 상태로, 전도성 필라 주위에 봉지재를 형성하는 단계를 포함하는 것을 특징으로 하는 집적회로 패키지 시스템 제조 방법. - 제1항에 있어서,
부동태 피막을 형성하는 단계는, 봉지재의 비아를 덮지 않는 부동태 비아를 구비하는 부동태 피막을 형성하는 단계를 포함하는 것을 특징으로 하는 집적회로 패키지 시스템 제조 방법. - 제1항에 있어서,
집적회로를 실장하는 단계는 플립-칩 또는 와이어 본딩된 다이를 실장하는 단계를 포함하는 것을 특징으로 하는 집적회로 패키지 시스템 제조 방법. - 제1항에 있어서,
솔더 페이스트를 상기 전도성 필라의 최상단부에 적층하는 단계를 또한 포함하는 것을 특징으로 하는 집적회로 패키지 시스템 제조 방법. - 집적회로 패키지 시스템으로,
기판과;
기판에 실장되어 있는 집적 회로와:
기판에 부착되어 있는 솔더 범프와;
집적 회로를 봉지하는 봉지재로, 상기 봉지재는 상단면을 구비하고 또한 봉지재를 관통하는 비아를 구비하는, 봉지재와;
상기 봉지재의 비아를 채우고 있는 전도성 필라로, 상기 전도성 필라는 상기 봉지재의 상단면을 지나 연장하고, 상기 전도성 필라의 측면부가 노출되어 있으며, 상기 전도성 필라는 평행한 수직 측면들을 구비하고, 상기 전도성 필라는 상기 기판과 직접 접촉하며, 상기 전도성 필라는 집적 회로 주변 둘레에 위치하며, 상기 전도성 필라의 전단계수가 솔더 범프의 전단계수보다 큰 것을 특징으로 하는 집적회로 패키지 시스템. - 제6항에 있어서,
상기 봉지재는 그 봉지재를 관통하는 비아를 형성하기 위해 에칭 또는 드릴링 가공되는 특성을 구비하는 것을 특징으로 하는 집적회로 패키지 시스템. - 제6항에 있어서,
상기 봉지재는 그 봉지재가 전도성 필라 둘레에 형성되는 특성을 구비하는 것을 특징으로 하는 집적회로 패키지 시스템. - 제6항에 있어서,
상기 집적회로는 플립-칩 또는 와이어 본딩된 다이인 것을 특징으로 하는 집적회로 패키지 시스템. - 제6항에 있어서,
상기 전도성 필라의 최상단부에 적층되어 있는 솔더 페이스트를 또한 포함하는 것을 특징으로 하는 집적회로 패키지 시스템.
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