KR101010159B1 - 얇은 언더필 및 두꺼운 솔더 마스크를 가지는 플립-칩어셈블리 - Google Patents
얇은 언더필 및 두꺼운 솔더 마스크를 가지는 플립-칩어셈블리 Download PDFInfo
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- KR101010159B1 KR101010159B1 KR1020057018230A KR20057018230A KR101010159B1 KR 101010159 B1 KR101010159 B1 KR 101010159B1 KR 1020057018230 A KR1020057018230 A KR 1020057018230A KR 20057018230 A KR20057018230 A KR 20057018230A KR 101010159 B1 KR101010159 B1 KR 101010159B1
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Abstract
Description
Claims (26)
- 플립 칩을 전기 기판에 부착하기 위한 방법으로서,범프형 플립 칩을 제공하는 단계 - 상기 플립 칩은 액티브 표면, 및 상기 액티브 표면으로부터 연장하는 복수의 접속 범프를 포함하고, 각 접속 범프는 측부 영역(side region)을 포함함 - 와,상기 플립 칩의 상기 액티브 표면과, 상기 접속 범프의 측부 영역의 일부에 언더필 재료의 층을 도포하는 단계와,상기 전기 기판 상에 상기 플립 칩을 배치하는 단계 - 상기 전기 기판은 상기 전기 기판 상에 배치된 솔더 마스크의 층을 포함함 - 와,상기 플립 칩을 상기 전기 기판에 전기적으로 접속하도록 상기 플립 칩을 가열하는 단계 - 상기 플립 칩이 상기 전기 기판에 전기적으로 접속될 때, 상기 언더필 재료 및 상기 솔더 마스크가 결합하여 응력-완화층(stress-relief layer)을 형성함 -를 포함하는 방법.
- 제1항에 있어서,상기 언더필 재료는 상기 접속 범프의 상부로부터 제거되는 방법.
- 제1항에 있어서,상기 언더필 재료를 도포하는 단계는,상기 플립 칩의 상기 액티브 표면에 대해 패터닝된 언더필 막을 배치하는 단계와,상기 패터닝된 언더필 막을 상기 플립 칩 상에 가압하는(pressing) 단계를 포함하는 방법.
- 제1항에 있어서,상기 언더필 재료는 상기 접속 범프의 측부 영역에 도포되고, 상기 언더필 재료는 상기 플립 칩의 액티브 표면으로부터, 접속 범프 높이의 공칭 20 퍼센트와 60 퍼센트 사이의 두께까지 연장되는 방법.
- 액티브 표면, 및 상기 액티브 표면으로부터 연장되는 복수의 접속 범프를 포함하는 범프형 플립 칩과,상기 플립 칩의 액티브 표면, 및 상기 접속 범프의 측부 영역의 일부에 배치되는 언더필 재료의 층과,전기 기판 상에 배치되는 솔더 마스크의 층을 포함하며;상기 플립 칩이 상기 전기 기판에 전기적으로 접속될 때 상기 언더필 재료 및 솔더 마스크가 결합하여 응력-완화층을 형성하는 플립-칩 어셈블리.
- 웨이퍼-도포 언더필 프로세스(wafer-applied underfill process)로서,액티브 표면, 및 상기 액티브 표면으로부터 연장되는 복수의 접속 범프를 포함하는 범프형 반도체 웨이퍼를 제공하는 단계와,상기 반도체 웨이퍼의 상기 액티브 표면 및 상기 접속 범프의 측부 영역의 일부에 언더필 재료를 도포하는 단계 - 상기 언더필 재료는 상기 액티브 표면으로부터 접속 범프 높이의 공칭 20 퍼센트와 60 퍼센트 사이의 두께까지 연장됨 - 와,상기 언더필 재료가 상기 접속 범프 주위에서 흐르도록 상기 언더필 재료를 가열하는 단계를 포함하는 프로세스.
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US10/402,631 | 2003-03-28 | ||
US10/402,631 US6774497B1 (en) | 2003-03-28 | 2003-03-28 | Flip-chip assembly with thin underfill and thick solder mask |
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KR20050118694A KR20050118694A (ko) | 2005-12-19 |
KR101010159B1 true KR101010159B1 (ko) | 2011-01-20 |
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KR1020057018230A KR101010159B1 (ko) | 2003-03-28 | 2004-03-24 | 얇은 언더필 및 두꺼운 솔더 마스크를 가지는 플립-칩어셈블리 |
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US (1) | US6774497B1 (ko) |
JP (1) | JP4703556B2 (ko) |
KR (1) | KR101010159B1 (ko) |
MY (1) | MY136290A (ko) |
TW (1) | TWI340442B (ko) |
WO (1) | WO2004086845A2 (ko) |
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- 2004-03-24 WO PCT/US2004/008939 patent/WO2004086845A2/en active Application Filing
- 2004-03-29 TW TW093108546A patent/TWI340442B/zh not_active IP Right Cessation
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WO2004086845A2 (en) | 2004-10-14 |
JP4703556B2 (ja) | 2011-06-15 |
MY136290A (en) | 2008-09-30 |
TWI340442B (en) | 2011-04-11 |
JP2006521703A (ja) | 2006-09-21 |
TW200503222A (en) | 2005-01-16 |
KR20050118694A (ko) | 2005-12-19 |
WO2004086845A3 (en) | 2005-05-19 |
US6774497B1 (en) | 2004-08-10 |
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