KR102493229B1 - 열 전도성 절연 시트 및 복합 부재 - Google Patents
열 전도성 절연 시트 및 복합 부재 Download PDFInfo
- Publication number
- KR102493229B1 KR102493229B1 KR1020207008699A KR20207008699A KR102493229B1 KR 102493229 B1 KR102493229 B1 KR 102493229B1 KR 1020207008699 A KR1020207008699 A KR 1020207008699A KR 20207008699 A KR20207008699 A KR 20207008699A KR 102493229 B1 KR102493229 B1 KR 102493229B1
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- South Korea
- Prior art keywords
- thermally conductive
- sheet
- conductive insulating
- insulating sheet
- resin
- Prior art date
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/542—Shear strength
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Abstract
Description
도 2는, 본 발명에 관련한 제2 실시형태의 복합 부재의 모식 단면도이고,
도 3은, 본 발명에 관련한 제3 실시형태의 복합 부재의 모식 단면도이고,
도 4는, 본 발명에 관련한 제4 실시형태의 복합 부재의 모식 단면도이고,
도 5는, 본 발명에 관련한 제5 실시형태의 복합 부재의 모식 단면도이다.
10; 열 발생 부재
20; 열 전도성 절연 접착막
30; 방열 베이스 기판
50, 60; 파워 반도체 모듈(열 발생 부재)
51, 61, 65; 기판
52, 62, 64; 솔더층
53, 63; 파워 반도체 소자(열발생부)
54, 66; 봉지재
Claims (7)
- 열경화성 수지인 바인더 수지(R)의 미경화물 또는 반경화물을 함유하는 열 전도성 절연 시트이며,
100~200℃의 온도 영역에서의 복소 점도가 10,000~150,000Pa·s이고, 상기 온도 영역에서의 복소 점도의 최대값(α)과 최소값(β)의 비(α/β)가 1.0~4.0이며, 하기 식(1)에 의해 정의되는 흐름 값(flow value)이 90~100%인, 열 전도성 절연 시트:
흐름 값(%) = W2 / W1 × 100…(1)
(식(1) 중, 각 부호는 다음의 파라미터를 나타낸다.
W1은 50mm 사방의 열 전도성 절연 시트의 질량이다.
W2는 50mm 사방의 열 전도성 절연 시트를 150℃에서 60분간, 1MPa의 조건에서 가열 및 가압해서 얻어지는 열 전도성 절연 시트의 가열 가압물의 50mm 사방의 질량이다.)
- 제1항에 있어서,
100~200℃의 온도 영역에서의 복소 점도가 27,000~100,000Pa·s이고, 상기 온도 영역에서의 복소 점도의 최대값(α)과 최소값(β)의 비(α/β)가 1.0~2.5이고, 상기 흐름 값이 95~100%인 열 전도성 절연 시트.
- 제1항 또는 제2항에 있어서,
바인더 수지(R)가, 열경화성 폴리우레탄 수지, 열경화성 아크릴 수지, 및 열경화성 폴리아미드 수지에서 선택되는 적어도 1종인 열 전도성 절연 시트.
- 제1항 또는 제2항에 있어서,
열 전도성 절연 필러(F)를 더 함유하는 열 전도성 절연 시트.
- 열을 발생할 수 있는 열 발생부를 포함하는 열 발생 부재의 적어도 하나의 면에, 제1항 또는 제2항에 기재된 열 전도성 절연 시트의 가열 가압물로 이루어지고, 바인더 수지(R)의 경화물을 포함하는 열 전도성 절연막을 통해서 방열 베이스 기판이 접착된, 복합 부재.
- 제5항에 있어서,
상기 열 전도성 절연막의 공극률이 0.3이하인 복합 부재.
- 제5항에 있어서,
상기 열 발생 부재가 파워 반도체 소자를 포함하는 복합 부재.
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PCT/JP2018/034198 WO2019054486A1 (ja) | 2017-09-15 | 2018-09-14 | 熱伝導性絶縁シートおよび複合部材 |
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