KR20010094894A - 반도체패키지 및 그 제조방법 - Google Patents
반도체패키지 및 그 제조방법 Download PDFInfo
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Abstract
Description
Claims (26)
- 상면에 다수의 입출력패드가 형성된 제1반도체칩과;상면에 다수의 입출력패드가 형성되어 있으며, 상기 제1반도체칩의 상면에 그 제1반도체칩의 크기보다 작은 크기로서 접착수단에 의해 접착된 제2반도체칩과;상기 제1반도체칩 및 제2반도체칩의 입출력패드에 일단이 본딩되고, 타단이 상부를 향해 연장된 신호인출수단과;상기 신호인출수단의 타단이 상부로 노출되도록 하는 동시에, 상기 제1반도체칩 및 제2반도체칩의 상면을 봉지하는 봉지재를 포함하여 이루어진 반도체패키지.(도1a 내지 도4c)
- 제1항에 있어서, 상기 제1반도체칩의 하면 및 측면은 봉지재 외측으로 노출된 것을 특징으로 하는 반도체패키지.(도1a 내지 도4c)
- 제1항에 있어서, 상기 신호인출수단은 도전성와이어인 것을 특징으로 하는 반도체패키지.(도1a 내지 도3c)
- 제1항에 있어서, 상기 신호인출수단은 다수의 도전성범프가 상부 방향으로 적층되어 이루어진 것을 특징으로 하는 반도체패키지.(도4a 내지 도4c)
- 제1항에 있어서, 상기 신호인출수단은 제1반도체칩 및 제2반도체칩의 입출력패드로부터 봉지재의 상면까지, 상기 봉지재의 상면에 대해 직각 방향으로 연장된 것을 특징으로 하는 반도체패키지.(도1b, 도1e 및 도3a 내지 도4c)
- 제1항에 있어서, 상기 신호인출수단은 봉지재의 상면과 인접하는 부분이 상기 봉지재의 상면과 직각방향으로 연장된 것을 특징으로 하는 반도체패키지.(도1b, 도1c, 도1e, 도3a 내지 도4c)
- 제1항에 있어서, 상기 신호인출수단은 3차원적으로 다수회 절곡됨으로써, 상기 신호인출수단의 단부가 봉지재 상면에 열과 행을 가지며 어레이 된 것을 특징으로 하는 반도체패키지.(도1c)
- 제1항에 있어서, 상기 신호인출단자는 상기 봉지재 상면과 인접하는 상기 봉지재 내측 영역의 단부가 단면상 반구형으로 형성된 것을 특징으로 하는 반도체패키지.(도1d 및 도1e)
- 제1항에 있어서, 상기 신호인출단자는 상기 봉지재 상면으로 단부가 돌출되어 니들형 돌출부가 형성된 것을 특징으로 하는 반도체패키지.(도3a 및 도3c)
- 제1항에 있어서, 상기 신호인출단자는 상기 봉지재 상면으로 단부가 연장되어 단면상 반구형 돌출부가 더 형성된 것을 특징으로 하는 반도체패키지.(도3b 및 도3c)
- 제9항에 있어서, 상기 신호인출단자는 상기 봉지재 상면으로 단부가 돌출된 부분에 단면상 반구형의 돌출부가 더 형성된 것을 특징으로 하는 반도체패키지.(도3c)
- 제3항에 있어서, 상기 적층된 범프의 단부는 봉지재 상면으로 노출 또는 돌출된 것을 특징으로 하는 반도체패키지.(도4a, 도4b)
- 제12항에 있어서, 상기 봉지재 상면으로 노출된 범프의 단부에는 도전성볼이 더 융착된 것을 특징으로 하는 반도체패키지(도4c)
- 다수의 스크라이브 라인에 의해 다수의 제1반도체칩이 대략 바둑판 형상으로 어레이되어 있는 웨이퍼를 제공하는 단계와;상기 각각의 제1반도체칩 상면에 접착수단을 이용하여 상기 제1반도체칩의 크기보다 작은 제2반도체칩을 접착하는 단계와;상기 제1반도체칩 및 제2반도체칩에 신호인출수단의 단부를 본딩하는 단계와;상기 제1반도체칩, 제2반도체칩 및 신호인출수단을 봉지재로 봉지하는 단계와;상기 웨이퍼에 형성된 스크라이브 라인을 따라 상기 봉지재 및 제1반도체칩을 낱개로 절단하는 단계를 포함하여 이루어진 반도체패키지의 제조 방법.
- 제14항에 있어서, 상기 봉지 단계후 상기 제1반도체칩과 제2반도체칩에 본딩된 신호인출수단의 타단이 봉지재 외측으로 노출되도록 일정두께의 봉지재 상면을 그라인딩하는 단계가 더 포함된 반도체패키지의 제조 방법.
- 제14항에 있어서, 상기 신호인출수단은 도전성와이어인 것을 특징으로 하는 반도체패키지의 제조 방법.
- 제16항에 있어서, 상기 도전성와이어는 일단이 제1반도체칩에 본딩되고, 타단이 제2반도체칩에 본딩되는 반도체패키지의 제조 방법.
- 제16항에 있어서, 상기 도전성와이어는 제1반도체칩 및 제2반도체칩의 상면에 대해 대략 수직 방향으로 봉지재의 그라인딩될 면까지 연장시킴을 특징으로 하는 반도체패키지의 제조 방법.
- 제16항에 있어서, 상기 도전성와이어는 3차원적으로 절곡시켜 차후 봉지재의 그라인딩된 면에 상기 도전성와이어의 단부가 어레이되도록 함을 특징으로 하는 반도체패키지의 제조 방법.
- 제16항에 있어서, 상기 도전성와이어는 제1반도체칩 및 제2반도체칩에 일단을 본딩하고, 봉지재의 그라인딩될 면 근방에서 상기 도전성와이어의 직경보다 크게 볼을 더 형성하는 반도체패키지의 제조 방법.
- 제16항에 있어서, 상기 도전성와이어는 그 단부가 봉지재 상면으로 돌출되도록 그라인딩하는 반도체패키지의 제조 방법.
- 제21항에 있어서, 상기 봉지재 상면으로 돌출된 도전성와이어의 단부를 리플로우하여 봉지재 상면에 단면상 반구형 돌출부가 형성되도록 하는 반도체패키지의 제조 방법.
- 제21항에 있어서, 상기 봉지재 상면으로 돌출된 도전성와이어의 단부에는 도전성볼을 더 융착하는 반도체패키지의 제조 방법.
- 제14항에 있어서, 상기 신호인출수단은 상부로 적층된 다수의 도전성범프인 것을 특징으로 하는 반도체패키지의 제조 방법.
- 제24항에 있어서, 상기 그라인딩 단계는 도전성범프의 단부가 봉지재 상면으로 돌출되도록 하여 수행함을 특징으로 하는 반도체패키지의 제조 방법.
- 제24항에 있어서, 상기 절단단계후, 봉지재 상면으로 노출된 도전성범프의 표면에 도전성볼을 더 융착하는 반도체패키지의 제조 방법.
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