KR100817079B1 - 웨이퍼 레벨 칩 스케일 패키지, 그 제조 방법, 및 웨이퍼레벨 칩 스케일 패키지를 포함하는 반도체 칩 모듈 - Google Patents
웨이퍼 레벨 칩 스케일 패키지, 그 제조 방법, 및 웨이퍼레벨 칩 스케일 패키지를 포함하는 반도체 칩 모듈 Download PDFInfo
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- KR100817079B1 KR100817079B1 KR1020060122587A KR20060122587A KR100817079B1 KR 100817079 B1 KR100817079 B1 KR 100817079B1 KR 1020060122587 A KR1020060122587 A KR 1020060122587A KR 20060122587 A KR20060122587 A KR 20060122587A KR 100817079 B1 KR100817079 B1 KR 100817079B1
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- wafer level
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- insulating layer
- redistribution
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Abstract
Description
Claims (37)
- 웨이퍼 레벨 칩 스케일 패키지에 있어서,본딩 패드를 포함하는 반도체 칩;상기 본딩 패드가 노출되도록 상기 반도체 칩 위에 형성된 제1 절연 층;상기 노출된 본딩 패드와 상기 제1 절연 층 위에 형성된 재배선 라인;상기 재배선 라인의 재배선 패드 아래에 형성된 희생 층;상기 재배선 패드가 노출되도록 상기 재배선 라인 위에 형성되고, 상기 희생 층 옆에 형성되는 크랙 유도 홀을 포함하는 제2 절연 층; 및상기 재배선 패드에 부착되는 외부 연결 단자를 구비하는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지.
- 제1항에 있어서, 상기 희생 층은,솔더를 포함하는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지.
- 제1항에 있어서, 상기 크랙 유도 홀은,상기 외부 연결 단자의 일부 표면을 둘러싸는 형태의 다각형 구조를 가지는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지.
- 웨이퍼 레벨 칩 스케일 패키지에 있어서,본딩 패드를 포함하는 반도체 칩;상기 본딩 패드가 노출되도록 상기 반도체 칩 위에 형성된 제1 절연 층;상기 노출된 본딩 패드와 상기 제1 절연 층 위에 형성된 제1 금속 층;상기 제1 금속 층 위에 형성된 제2 금속 층;재배선 라인을 구성하는 상기 제1 금속 층과 상기 제2 금속 층 사이에 형성되고, 상기 제2 금속 층의 일부분인 재배선 패드 아래에 형성되는 희생 층;상기 재배선 패드가 노출되도록 상기 제2 금속 층 위에 형성되고, 상기 희생 층 옆에 형성되는 크랙 유도 홀을 포함하는 제2 절연 층; 및상기 재배선 패드에 부착되는 외부 연결 단자를 구비하는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지.
- 제4항에 있어서, 상기 희생 층은,솔더를 포함하는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지.
- 제4항에 있어서, 상기 크랙 유도 홀은,상기 외부 연결 단자의 일부 표면을 둘러싸는 형태의 다각형 구조를 가지는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지.
- 제4항에 있어서, 상기 외부 연결 단자는,솔더 볼인 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지.
- 제4항에 있어서, 상기 웨이퍼 레벨 칩 스케일 패키지는,상기 본딩 패드가 노출되도록 상기 제1 절연 층과 상기 반도체 칩 사이에 형성된 패시베이션 층을 더 구비하는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지.
- 웨이퍼 레벨 칩 스케일 패키지에 있어서,본딩 패드를 포함하는 반도체 칩;상기 본딩 패드가 노출되도록 상기 반도체 칩 위에 형성된 제1 절연 층;상기 노출된 본딩 패드와 상기 제1 절연 층 위에 형성된 재배선 라인;상기 재배선 라인의 재배선 패드 아래에 형성된 희생 층;상기 희생 층과 상기 재배선 라인 사이에 형성된 크랙 버퍼;상기 재배선 패드가 노출되도록 상기 재배선 라인 위에 형성되고, 상기 희생 층 옆에 형성되는 크랙 유도 홀을 포함하는 제2 절연 층; 및상기 재배선 패드에 부착되는 외부 연결 단자를 구비하는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지.
- 제9항에 있어서, 상기 희생 층은,솔더를 포함하는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지.
- 제9항에 있어서, 상기 크랙 유도 홀은,상기 외부 연결 단자의 일부 표면을 둘러싸는 형태의 다각형 구조를 가지는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지.
- 제9항에 있어서, 상기 크랙 버퍼는,폴리머를 포함하는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지.
- 제9항에 있어서, 상기 크랙 버퍼는,에어 갭인 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지.
- 웨이퍼 레벨 칩 스케일 패키지에 있어서,본딩 패드를 포함하는 반도체 칩;상기 본딩 패드가 노출되도록 상기 반도체 칩 위에 형성된 제1 절연 층;상기 노출된 본딩 패드와 상기 제1 절연 층 위에 형성된 제1 금속 층;상기 제1 금속 층 위에 형성된 제2 금속 층;재배선 라인을 구성하는 상기 제1 금속 층과 상기 제2 금속 층 사이에 형성되고, 상기 제2 금속 층의 일부분인 재배선 패드 아래에 형성되는 희생 층;상기 희생 층과 상기 재배선 라인 사이에 형성된 크랙 버퍼;상기 재배선 패드가 노출되도록 상기 제2 금속 층 위에 형성되고, 상기 희생 층 옆에 형성되는 크랙 유도 홀을 포함하는 제2 절연 층; 및상기 재배선 패드에 부착되는 외부 연결 단자를 구비하는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지.
- 제14항에 있어서, 상기 희생 층은,솔더를 포함하는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지.
- 제14항에 있어서, 상기 크랙 유도 홀은,상기 외부 연결 단자의 일부 표면을 둘러싸는 형태의 다각형 구조를 가지는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지.
- 제14항에 있어서, 상기 크랙 버퍼는,폴리머를 포함하는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지.
- 제14항에 있어서, 상기 크랙 버퍼는,에어 갭인 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지.
- 제14항에 있어서, 상기 웨이퍼 레벨 칩 스케일 패키지는,상기 본딩 패드가 노출되도록 상기 제1 절연 층과 상기 반도체 칩 사이에 형성된 패시베이션 층을 더 구비하는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지.
- 웨이퍼 레벨 칩 스케일 패키지의 제조 방법에 있어서,본딩 패드를 포함하는 반도체 칩 위에 상기 본딩 패드가 노출되도록 제1 절연 층을 형성하는 단계;상기 노출된 본딩 패드와 상기 제1 절연 층 위에 제1 금속 층을 형성하는 단계;포토레지스트 패턴을 이용하여 상기 제1 금속 층 위에 희생 층을 형성하는 단계;또 다른 포토레지스트 패턴에 의하여 노출된 상기 제1 금속 층 및 상기 희생 층 위에 제2 금속 층을 형성하는 단계;상기 제2 금속 층 및 상기 희생 층을 마스크로서 이용하여 상기 제1 금속 층을 제거하여 재배선 라인을 형성하는 단계;상기 재배선 라인 위에 제2 절연 층을 형성하는 단계;상기 희생 층 옆에 크랙 유도 홀이 형성되도록 상기 제2 절연 층을 제거하고, 상기 희생 층 위에 위치하는 상기 재배선 라인의 재배선 패드가 노출되도록 상기 제2 절연 층을 제거하는 단계; 및상기 재배선 패드에 외부 연결 단자를 부착하는 단계를 구비하는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지의 제조 방법.
- 제20항에 있어서, 상기 희생 층은,솔더를 포함하는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지의 제조 방법.
- 제20항에 있어서, 상기 크랙 유도 홀은,상기 외부 연결 단자의 일부 표면을 둘러싸는 형태의 다각형 구조를 가지는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지의 제조 방법.
- 제20항에 있어서, 상기 웨이퍼 레벨 칩 스케일 패키지의 제조 방법은,상기 본딩 패드가 노출되도록 상기 제1 절연 층과 상기 반도체 칩 사이에 패시베이션 층을 형성하는 단계를 더 구비하는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지의 제조 방법.
- 웨이퍼 레벨 칩 스케일 패키지의 제조 방법에 있어서,본딩 패드를 포함하는 반도체 칩 위에 상기 본딩 패드가 노출되도록 제1 절연 층을 형성하는 단계;상기 노출된 본딩 패드와 상기 제1 절연 층 위에 제1 금속 층을 형성하는 단계;포토레지스트 패턴을 이용하여 상기 제1 금속 층 위에 희생 층을 형성하는 단계;포토레지스트 패턴을 이용하여 상기 희생 층 옆에 크랙 버퍼를 형성하는 단계;또 다른 포토레지스트 패턴에 의하여 노출된 상기 제1 금속 층과 상기 희생 층과 상기 크랙 버퍼 위에 제2 금속 층을 형성하는 단계;상기 제2 금속 층 및 상기 희생 층을 마스크로서 이용하여 상기 제1 금속 층을 제거하여 재배선 라인을 형성하는 단계;상기 재배선 라인 위에 제2 절연 층을 형성하는 단계;상기 희생 층 옆에 크랙 유도 홀이 형성되도록 상기 제2 절연 층을 제거하고, 상기 희생 층 위에 위치하는 상기 재배선 라인의 재배선 패드가 노출되도록 상기 제2 절연 층을 제거하는 단계; 및상기 재배선 패드에 외부 연결 단자를 부착하는 단계를 구비하는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지의 제조 방법.
- 제24항에 있어서, 상기 희생 층은,솔더를 포함하는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지의 제조 방법.
- 제24항에 있어서, 상기 크랙 유도 홀은,상기 외부 연결 단자의 일부 표면을 둘러싸는 형태의 다각형 구조를 가지는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지의 제조 방법.
- 제24항에 있어서, 상기 웨이퍼 레벨 칩 스케일 패키지의 제조 방법은,상기 본딩 패드가 노출되도록 상기 제1 절연 층과 상기 반도체 칩 사이에 패시베이션 층을 형성하는 단계를 더 구비하는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지의 제조 방법.
- 제24항에 있어서, 상기 크랙 버퍼는,폴리머를 포함하는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지의 제조 방법.
- 제28항에 있어서, 상기 웨이퍼 레벨 칩 스케일 패키지의 제조 방법은,상기 폴리머를 제거할 수 있는 용액을 상기 제1 금속 층 및 상기 제2 금속 층으로 구성되는 상기 재배선 라인 사이의 개구부를 통해 상기 폴리머에 공급하여 상기 크랙 버퍼를 에어 갭으로 형성하는 단계를 더 구비하는 것을 특징으로 하는 웨이퍼 레벨 칩 스케일 패키지의 제조 방법.
- 반도체 칩 모듈에 있어서,웨이퍼 레벨 칩 스케일 패키지; 및상기 웨이퍼 레벨 칩 스케일 패키지의 외부 연결 단자를 통해 연결되는 모듈 기판을 구비하고,상기 웨이퍼 레벨 칩 스케일 패키지는,본딩 패드를 포함하는 반도체 칩;상기 본딩 패드가 노출되도록 상기 반도체 칩 위에 형성된 제1 절연 층;상기 노출된 본딩 패드와 상기 제1 절연 층 위에 형성된 재배선 라인;상기 재배선 라인의 재배선 패드 아래에 형성된 희생 층;상기 재배선 패드가 노출되도록 상기 재배선 라인 위에 형성되고, 상기 희생 층 옆에 형성되는 크랙 유도 홀을 포함하는 제2 절연 층; 및상기 재배선 패드에 부착되는 상기 외부 연결 단자를 포함하는 것을 특징으로 하는 반도체 칩 모듈.
- 제30항에 있어서, 상기 희생 층은,솔더를 포함하는 것을 특징으로 하는 반도체 칩 모듈.
- 제30항에 있어서, 상기 크랙 유도 홀은,상기 외부 연결 단자의 일부 표면을 둘러싸는 형태의 다각형 구조를 가지는 것을 특징으로 하는 반도체 칩 모듈.
- 반도체 칩 모듈에 있어서,웨이퍼 레벨 칩 스케일 패키지; 및상기 웨이퍼 레벨 칩 스케일 패키지의 외부 연결 단자를 통해 연결되는 모듈 기판을 구비하고,상기 웨이퍼 레벨 칩 스케일 패키지는,본딩 패드를 포함하는 반도체 칩;상기 본딩 패드가 노출되도록 상기 반도체 칩 위에 형성된 제1 절연 층;상기 노출된 본딩 패드와 상기 제1 절연 층 위에 형성된 재배선 라인;상기 재배선 라인의 재배선 패드 아래에 형성된 희생 층;상기 희생 층과 상기 재배선 라인 사이에 형성된 크랙 버퍼;상기 재배선 패드가 노출되도록 상기 재배선 라인 위에 형성되고, 상기 희생 층 옆에 형성되는 크랙 유도 홀을 포함하는 제2 절연 층; 및상기 재배선 패드에 부착되는 상기 외부 연결 단자를 포함하는 것을 특징으로 하는 반도체 칩 모듈.
- 제33항에 있어서, 상기 희생 층은,솔더를 포함하는 것을 특징으로 하는 반도체 칩 모듈.
- 제33항에 있어서, 상기 크랙 유도 홀은,상기 외부 연결 단자의 일부 표면을 둘러싸는 형태의 다각형 구조를 가지는 것을 특징으로 하는 반도체 칩 모듈.
- 제33항에 있어서, 상기 크랙 버퍼는,폴리머를 포함하는 것을 특징으로 하는 반도체 칩 모듈.
- 제33항에 있어서, 상기 크랙 버퍼는,에어 갭인 것을 특징으로 하는 반도체 칩 모듈.
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| KR1020060122587A KR100817079B1 (ko) | 2006-12-05 | 2006-12-05 | 웨이퍼 레벨 칩 스케일 패키지, 그 제조 방법, 및 웨이퍼레벨 칩 스케일 패키지를 포함하는 반도체 칩 모듈 |
| US11/950,251 US7830017B2 (en) | 2006-12-05 | 2007-12-04 | Wafer level chip scale package, method of manufacturing the same, and semiconductor chip module including the wafer level chip scale package |
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| KR1020060122587A KR100817079B1 (ko) | 2006-12-05 | 2006-12-05 | 웨이퍼 레벨 칩 스케일 패키지, 그 제조 방법, 및 웨이퍼레벨 칩 스케일 패키지를 포함하는 반도체 칩 모듈 |
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| US8368232B2 (en) * | 2010-03-25 | 2013-02-05 | Qualcomm Incorporated | Sacrificial material to facilitate thin die attach |
| US8759209B2 (en) | 2010-03-25 | 2014-06-24 | Stats Chippac, Ltd. | Semiconductor device and method of forming a dual UBM structure for lead free bump connections |
| US8642469B2 (en) * | 2011-02-21 | 2014-02-04 | Stats Chippac, Ltd. | Semiconductor device and method of forming multi-layered UBM with intermediate insulating buffer layer to reduce stress for semiconductor wafer |
| US9355978B2 (en) | 2013-03-11 | 2016-05-31 | Taiwan Semiconductor Manufacturing Company, Ltd. | Packaging devices and methods of manufacture thereof |
| US9196529B2 (en) | 2013-09-27 | 2015-11-24 | Taiwan Semiconductor Manufacturing Company, Ltd. | Contact pad for semiconductor devices |
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| US10756030B2 (en) | 2018-08-10 | 2020-08-25 | Samsung Electronics Co., Ltd. | Semiconductor package |
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| US7830017B2 (en) | 2010-11-09 |
| US20080128905A1 (en) | 2008-06-05 |
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