KR100923901B1 - 전자 부품용 접착제, 반도체 칩 적층체의 제조 방법 및 반도체 장치 - Google Patents
전자 부품용 접착제, 반도체 칩 적층체의 제조 방법 및 반도체 장치 Download PDFInfo
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Abstract
Description
Claims (18)
- 전자 부품을 접합하기 위한 전자 부품용 접착제로서,경화성 화합물 및 경화제를 갖는 접착 조성물과, 입자 직경의 CV (Coefficient of Variation, 변동 계수) 값이 10% 이하인 스페이서 입자를 함유하고,E 형 점도계를 사용하여 25℃ 에서 점도를 측정했을 때에, 1rpm 에 있어서의 점도가 200㎩·s 이하, 10rpm 에 있어서의 점도가 100㎩·s 이하이며, 또한 0.5rpm 에 있어서의 점도가 1rpm 에 있어서의 점도의 1.4 ∼ 3 배, 1rpm 에 있어서의 점도가 10rpm 에 있어서의 점도의 2 ∼ 5 배인 것을 특징으로 하는 전자 부품용 접착제.
- 제 1 항에 있어서,E 형 점도계를 사용하여 50 ∼ 100℃에서 점도를 측정했을 때에, 10rpm 에 있어서의 점도가 1㎩·s 이하인 것을 특징으로 하는 전자 부품용 접착제.
- 제 1 항에 있어서,경화성 화합물은, 반복 단위 중에 방향 고리를 갖는 10 량체 이하의 분자 구조를 갖고, 25℃ 에서 결정성 고체인 에폭시 화합물 (A) 를 함유하는 것을 특징으로 하는 전자 부품용 접착제.
- 제 1 항에 있어서,경화성 화합물은 나프탈렌형 에폭시 수지, 플루오렌형 에폭시 수지 및 레조르시놀형 에폭시 수지로 이루어지는 군에서 선택되는 적어도 1 종을 40 중량% 이상 함유하는 것을 특징으로 하는 전자 부품용 접착제.
- 제 1 항에 있어서,경화성 화합물은 분자의 양단에 에폭시기를 갖고, 또한 일방의 에폭시기와 타방의 에폭시기 사이에 수평균 분자량이 50 ∼ 1000 인 유연한 골격을 갖는 에폭시 화합물 (B) 를 함유하는 것을 특징으로 하는 전자 부품용 접착제.
- 제 5 항에 있어서,유연한 골격은 부타디엔 고무, 프로필렌옥사이드, 에틸렌옥사이드, 아크릴 고무, 및 이들의 수소첨가물로 이루어지는 군에서 선택되는 적어도 1 종의 화합물에서 유래하는 것을 특징으로 하는 전자 부품용 접착제.
- 제 5 항에 있어서,에폭시 화합물 (B) 는 추가로 분자 내에 방향족 골격을 갖는 것을 특징으로 하는 전자 부품용 접착제.
- 제 7 항에 있어서,글리시딜에테르기가 방향족 골격에 직접 결합되어 있는 것을 특징으로 하는 전자 부품용 접착제.
- 제 1 항에 있어서,추가로, 경화성 화합물과 반응 가능한 관능기를 갖는 고분자 화합물을 함유하는 것을 특징으로 하는 전자 부품용 접착제.
- 제 1 항에 있어서,상온에서 고체인 다관능의 산무수물 경화제로 이루어지는 입자와, 경화 촉진제를 함유하는 것을 특징으로 하는 전자 부품용 접착제.
- 제 1 항에 있어서,상온에서 고체인 다관능의 산무수물 경화제로 이루어지는 입자와, 상온에서 액체인 2 관능 산무수물 경화제를 함유하는 것을 특징으로 하는 전자 부품용 접착제.
- 제 11 항에 있어서,추가로, 경화 촉진제를 함유하는 것을 특징으로 하는 전자 부품용 접착제.
- 제 1 항에 있어서,경화성 화합물 또는 경화제 중에서 25℃ 에서 액상인 성분의 용해도 파라미터 (SP 값) 가 8 ∼ 11 이며, 추가로 평균 1 차 입자직경이 50㎚ 이하이고 소수화도 (M 값) 가 50 이하인 무기 미립자 (A) 와, 평균 1 차 입자직경이 50㎚ 이하이고 소수화도 (M 값) 가 60 이상인 무기 미립자 (B) 를 함유하는 것을 특징으로 하는 전자 부품용 접착제.
- 제 1 항에 있어서,경화성 화합물 또는 경화제 중에서 25℃ 에서 액상인 성분의 용해도 파라미터 (SP 값) 가 11 ∼ 14 이며, 추가로 평균 1 차 입자직경이 50㎚ 이하이고 소수화도 (M 값) 가 40 이하인 무기 미립자 (C) 와, 평균 1 차 입자직경이 50㎚ 이하이고 소수화도 (M 값) 가 50 이상인 무기 미립자 (D) 를 함유하는 것을 특징으로 하는 전자 부품용 접착제.
- 제 1 항에 있어서,전자 부품은 반도체 칩인 것을 특징으로 하는 전자 부품용 접착제.
- 2 이상의 반도체 칩이 제 1 항에 기재된 전자 부품용 접착제를 개재하여 적층된 반도체 칩 적층체의 제조 방법으로서,하나의 반도체 칩에 상기 전자 부품용 접착제를 도포하는 도포 공정 (1) 과,상기 하나의 반도체 칩에 도포한 전자 부품용 접착제를 개재하여 다른 반도체 칩을 적층시키는 반도체 칩 적층 공정 (2) 과,상기 하나의 반도체 칩과 다른 반도체 칩 사이의 전자 부품용 접착제를 경화시키는 경화 공정 (3) 을 갖고,상기 도포 공정 (1) 에 있어서, 상기 전자 부품용 접착제를, 상기 하나의 반도체 칩의 상기 다른 반도체 칩을 적층시키는 영역의 외연부 및 중앙부에 도포하고, 또한 외연부에 대한 상기 전자 부품용 접착제의 도포량을, 중앙부에 대한 도포량의 2 ∼ 5 배로 하는 것을 특징으로 하는 반도체 칩 적층체의 제조 방법.
- 제 16 항에 있어서,반도체 칩 적층 공정 (2) 에 있어서 1 개의 반도체 칩에 적층된 다른 반도체 칩에 대하여, 0.01 ∼ 0.5㎫ 로 0.1 ∼ 5 초간 가압하는 것을 특징으로 하는 반도체 칩 적층체의 제조 방법.
- 삭제
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CN (1) | CN101490829B (ko) |
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EP2108688A4 (en) * | 2007-01-12 | 2011-09-07 | Sekisui Chemical Co Ltd | ADHESIVE FOR ELECTRONIC COMPONENTS |
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- 2007-07-19 US US12/309,324 patent/US7915743B2/en not_active Expired - Fee Related
- 2007-07-19 JP JP2007545772A patent/JP4088337B2/ja not_active Expired - Fee Related
- 2007-07-19 WO PCT/JP2007/064274 patent/WO2008010555A1/ja active Application Filing
- 2007-07-19 KR KR1020097001042A patent/KR100923901B1/ko active IP Right Grant
- 2007-07-19 EP EP07791028A patent/EP2045839A4/en not_active Withdrawn
- 2007-07-19 CN CN2007800275271A patent/CN101490829B/zh active Active
- 2007-07-20 TW TW096126727A patent/TW200808932A/zh unknown
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KR20130099702A (ko) * | 2012-02-29 | 2013-09-06 | 에스케이하이닉스 주식회사 | 다이 어태치 접착제 및 반도체 장치 |
KR101961952B1 (ko) | 2012-02-29 | 2019-07-17 | 에스케이하이닉스 주식회사 | 다이 어태치 접착제 및 반도체 장치 |
Also Published As
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US20090311827A1 (en) | 2009-12-17 |
JPWO2008010555A1 (ja) | 2009-12-17 |
TWI313291B (ko) | 2009-08-11 |
EP2045839A4 (en) | 2009-08-05 |
JP4088337B2 (ja) | 2008-05-21 |
KR20090031739A (ko) | 2009-03-27 |
CN101490829B (zh) | 2011-06-22 |
TW200808932A (en) | 2008-02-16 |
EP2045839A1 (en) | 2009-04-08 |
CN101490829A (zh) | 2009-07-22 |
WO2008010555A1 (fr) | 2008-01-24 |
US7915743B2 (en) | 2011-03-29 |
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