KR20170040107A - 열전도성 실리콘 조성물 및 반도체 장치 - Google Patents
열전도성 실리콘 조성물 및 반도체 장치 Download PDFInfo
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Abstract
[해결 수단] 하기 성분 (A) 및 (B)를 함유하는 열전도성 실리콘 조성물.
(A) 하기 평균 조성식 (1)
R1 aSiO(4-a)/ 2 (1)
〔식 중, R1은 수소 원자, 히드록시기, 또는 탄소수 1 내지 18의 포화 혹은 불포화된 1가 탄화수소기의 군 중에서 선택되는 1종 또는 2종 이상의 기를 나타내고, a는 1.8≤a≤2.2임〕
로 표시되는, 25℃에서의 동점도가 10 내지 100,000㎟/s인 오르가노폴리실록산
(B) 탭 밀도가 3.0g/㎤ 이상이고 비표면적이 2.0㎡/g 이하인 은 분말: 성분 (A) 100질량부에 대하여 300 내지 11,000질량부
Description
2: 발열성 전자 부품(CPU)
3: 열전도성 실리콘 조성물층
4: 방열체(리드)
Claims (7)
- 하기 성분 (A) 및 (B)를 함유하는 열전도성 실리콘 조성물.
(A) 하기 평균 조성식 (1)
R1 aSiO(4-a)/ 2 (1)
〔식 중, R1은 수소 원자, 히드록시기, 또는 탄소수 1 내지 18의 포화 혹은 불포화된 1가 탄화수소기의 군 중에서 선택되는 1종 또는 2종 이상의 기를 나타내고, a는 1.8≤a≤2.2임〕
로 표시되는, 25℃에서의 동점도가 10 내지 100,000㎟/s인 오르가노폴리실록산
(B) 탭 밀도가 3.0g/㎤ 이상이고 비표면적이 2.0㎡/g 이하인 은 분말: 성분 (A) 100질량부에 대하여 300 내지 11,000질량부 - 제1항에 있어서, 성분 (B)의 은 분말의 애스펙트비가 2.0 이상 150.0 이하인 열전도성 실리콘 조성물.
- 제1항 또는 제2항에 있어서, 성분 (A)의 전부 또는 일부가, 성분 (C) 1분자 중에 적어도 2개의 규소 원자에 결합한 알케닐기를 함유하는 오르가노폴리실록산, 및/또는 성분 (D) 1분자 중에 적어도 2개의 규소 원자에 결합한 수소 원자를 함유하는 오르가노히드로겐폴리실록산인 열전도성 실리콘 조성물.
- 제1항 또는 제2항에 있어서, 경화 촉매를 더 포함하는 열전도성 실리콘 조성물.
- 제1항 또는 제2항에 있어서, 추가로, 성분 (E)로서, 하기 일반식 (2)
R2 bSi(OR3)4 - b (2)
〔식 중, R2는 치환기를 갖고 있어도 되는 포화 또는 불포화된 1가 탄화수소기, 에폭시기, 아크릴기 및 메타크릴기 중에서 선택되는 1종 또는 2종 이상의 기를 나타내고, R3은 1가 탄화수소기를 나타내고, b는 1≤b≤3임〕
로 표시되는 오르가노실란을 성분 (A) 100질량부에 대하여 0 내지 10질량부 포함하는 열전도성 실리콘 조성물. - 발열성 전자 부품과 방열체를 구비하고 있는 반도체 장치이며, 상기 발열성 전자 부품과 방열체 사이에, 제1항 또는 제2항에 기재된 열전도성 실리콘 조성물이 개재되어 있는 것을 특징으로 하는 반도체 장치.
- 제1항 또는 제2항에 기재된 열전도성 실리콘 조성물을, 발열성 전자 부품과 방열체 사이에서 0.01㎫ 이상의 압력이 가해진 상태에서 80℃ 이상으로 가열하는 공정을 갖는 것을 특징으로 하는 반도체 장치의 제조 방법.
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JP6965869B2 (ja) * | 2018-12-25 | 2021-11-10 | 信越化学工業株式会社 | 熱伝導性シリコーン組成物及び半導体装置 |
WO2020137332A1 (ja) * | 2018-12-25 | 2020-07-02 | 信越化学工業株式会社 | 熱伝導性シリコーン組成物及び半導体装置 |
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