KR20200070435A - 열전도 시트, 열전도 시트의 제조 방법, 방열 부재 및 반도체 장치 - Google Patents
열전도 시트, 열전도 시트의 제조 방법, 방열 부재 및 반도체 장치 Download PDFInfo
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Abstract
Description
도 2 는 본 발명이 적용된 열전도 시트, 방열 부재 및 반도체 장치를 나타내는 단면도이다.
2 히트 스프레더
2a 주면
3 전자 부품
3a 상면
5 히트 싱크
6 배선 기판
Claims (8)
- 바인더 수지와, 탄소 섬유와, 상기 탄소 섬유 이외의 열전도성 필러를 함유하는 열전도 시트로서,
상기 탄소 섬유와 상기 바인더 수지의 질량비 (탄소 섬유/바인더 수지) 가 1.30 미만이며,
상기 열전도성 필러의 함유량이 48 체적% ∼ 55.37 체적% 이며,
상기 탄소 섬유가, 상기 열전도 시트의 두께 방향으로 배향되어 있으며,
1,000 V 의 인가 전압에 있어서의 체적 저항률이 1.0 × 108 Ω·㎝ 이상이고,
하중 0.5 kgf/㎠ 에 있어서의 압축률이 3 % 이상이며,
상기 열전도 시트의 표면이, 돌출된 상기 탄소 섬유에 의한 볼록 형상을 추종하도록 상기 열전도 시트로부터 스며 나온 삼출 성분으로 덮여 있는 것을 특징으로 하는, 열전도 시트. - 제 1 항에 있어서,
상기 열전도성 필러가, 산화알루미늄, 질화알루미늄, 및 산화아연 중 적어도 어느 것을 함유하는, 열전도 시트. - 제 1 항에 있어서,
상기 바인더 수지가 실리콘 수지인, 열전도 시트. - 제 1 항 내지 제 3 항 중 어느 한 항에 기재된 열전도 시트의 제조 방법으로서,
상기 바인더 수지와, 상기 탄소 섬유와, 상기 열전도성 필러를 함유하는 열전도성 수지 조성물을 소정의 형상으로 성형하여 경화시킴으로써, 상기 열전도성 수지 조성물의 성형체를 얻는 공정과,
상기 성형체를 시트상으로 절단하여, 성형체 시트를 얻는 공정을 포함하는 것을 특징으로 하는, 열전도 시트의 제조 방법. - 제 4 항에 있어서,
상기 성형체를 얻는 공정이, 중공상의 형 내에, 상기 열전도성 수지 조성물을 압출기로 압출함으로써 소정의 형상으로 성형하고, 또한 경화시킴으로써, 상기 탄소 섬유가 압출 방향을 따라 배향된 상기 성형체를 얻는 공정이고,
상기 성형체 시트를 얻는 공정이, 상기 성형체를, 상기 압출 방향에 대하여 수직 방향으로 절단하여, 시트상의 상기 성형체 시트를 얻는 공정인, 열전도 시트의 제조 방법. - 전자 부품이 발하는 열을 방열시키는 히트 스프레더와,
상기 히트 스프레더에 배치 형성되고, 상기 히트 스프레더와 상기 전자 부품 사이에 협지되는 제 1 항 내지 제 3 항 중 어느 한 항에 기재된 열전도 시트를 갖는 것을 특징으로 하는, 방열 부재. - 전자 부품과,
상기 전자 부품이 발하는 열을 방열시키는 히트 스프레더와,
상기 히트 스프레더에 배치 형성되고, 상기 히트 스프레더와 상기 전자 부품 사이에 협지되는 제 1 항 내지 제 3 항 중 어느 한 항에 기재된 열전도 시트를 갖는 것을 특징으로 하는, 반도체 장치. - 제 7 항에 있어서,
히트 싱크를 구비하고,
상기 히트 스프레더와 상기 히트 싱크 사이에 상기 열전도 시트가 협지되어 있는, 반도체 장치.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2016-012663 | 2016-01-26 | ||
| JP2016012663A JP6301978B2 (ja) | 2016-01-26 | 2016-01-26 | 熱伝導シート、熱伝導シートの製造方法、放熱部材及び半導体装置 |
| PCT/JP2017/001122 WO2017130755A1 (ja) | 2016-01-26 | 2017-01-13 | 熱伝導シート、熱伝導シートの製造方法、放熱部材及び半導体装置 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020197030256A Division KR20190120421A (ko) | 2016-01-26 | 2017-01-13 | 열전도 시트, 열전도 시트의 제조 방법, 방열 부재 및 반도체 장치 |
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| Publication Number | Publication Date |
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| KR20200070435A true KR20200070435A (ko) | 2020-06-17 |
| KR102151931B1 KR102151931B1 (ko) | 2020-09-04 |
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| KR1020187009825A Active KR102075893B1 (ko) | 2016-01-26 | 2017-01-13 | 열전도 시트, 열전도 시트의 제조 방법, 방열 부재 및 반도체 장치 |
| KR1020197030256A Ceased KR20190120421A (ko) | 2016-01-26 | 2017-01-13 | 열전도 시트, 열전도 시트의 제조 방법, 방열 부재 및 반도체 장치 |
| KR1020207016571A Active KR102151931B1 (ko) | 2016-01-26 | 2017-01-13 | 열전도 시트, 열전도 시트의 제조 방법, 방열 부재 및 반도체 장치 |
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| KR1020197030256A Ceased KR20190120421A (ko) | 2016-01-26 | 2017-01-13 | 열전도 시트, 열전도 시트의 제조 방법, 방열 부재 및 반도체 장치 |
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| Country | Link |
|---|---|
| US (1) | US10526519B2 (ko) |
| JP (1) | JP6301978B2 (ko) |
| KR (3) | KR102075893B1 (ko) |
| CN (1) | CN108463882B (ko) |
| WO (1) | WO2017130755A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2025058303A1 (ko) * | 2023-09-11 | 2025-03-20 | 재단법인대구경북과학기술원 | 저자기장을 이용하여 배향이 가능한 열전도성 시트 및 이의 제조방법 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110612322B (zh) * | 2017-05-12 | 2023-05-05 | 美国陶氏有机硅公司 | 高介电常数和低介电耗散的聚合物组合物 |
| JP6613462B2 (ja) * | 2017-06-27 | 2019-12-04 | 積水ポリマテック株式会社 | 熱伝導性シート |
| KR102540533B1 (ko) * | 2018-06-01 | 2023-06-07 | 현대자동차주식회사 | 열전도성이 우수한 경량 고분자 조성물과 그 제조방법 및 이 조성물을 이용하여 제조한 물품 |
| JP2020116873A (ja) * | 2019-01-25 | 2020-08-06 | デクセリアルズ株式会社 | 熱伝導性シートの製造方法 |
| TWI896542B (zh) * | 2019-07-23 | 2025-09-11 | 德商漢高股份有限及兩合公司 | 高熱通量多元件總成之熱管理 |
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Also Published As
| Publication number | Publication date |
|---|---|
| US20190055443A1 (en) | 2019-02-21 |
| WO2017130755A1 (ja) | 2017-08-03 |
| JP2017135211A (ja) | 2017-08-03 |
| CN108463882A (zh) | 2018-08-28 |
| JP6301978B2 (ja) | 2018-03-28 |
| US10526519B2 (en) | 2020-01-07 |
| KR102075893B1 (ko) | 2020-02-11 |
| KR20180050392A (ko) | 2018-05-14 |
| KR102151931B1 (ko) | 2020-09-04 |
| CN108463882B (zh) | 2022-05-13 |
| KR20190120421A (ko) | 2019-10-23 |
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