IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0065813
(2013-10-29)
|
등록번호 |
US-8865111
(2014-10-21)
|
발명자
/ 주소 |
- Nishikawa, Yasushi
- Murakami, Mutsuaki
- Akahori, Kiyokazu
|
출원인 / 주소 |
|
대리인 / 주소 |
Marshall, Gerstein & Borun LLP
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
10 |
초록
A process for producing a filmy graphite includes the steps of forming a polyimide film having a birefringence of 0.12 or more and heat-treating the polyimide film at 2,400° C. or higher.
대표청구항
▼
1. A method for producing a filmy graphite comprising the step of heat-treating a polyimide film having a thickness of 12.5 μm or more and 25 μm or less, wherein the filmy graphite has a thermal conductivity of 1,767 W/m·K or more, wherein the filmy graphite has an electrical conductivity of 20,000
1. A method for producing a filmy graphite comprising the step of heat-treating a polyimide film having a thickness of 12.5 μm or more and 25 μm or less, wherein the filmy graphite has a thermal conductivity of 1,767 W/m·K or more, wherein the filmy graphite has an electrical conductivity of 20,000 S/cm or more. 2. A method for producing a filmy graphite comprising the step of heat-treating a polyimide film, wherein the filmy graphite has a thickness of 4.9μm or more and 10.6 μm or less, and has a thermal conductivity of 1,767 W/m·K or more. 3. The method according to claim 2, wherein the filmy graphite has an electrical conductivity of 20,000 S/cm or more. 4. A method for producing a filmy graphite comprising the step of heat-treating a polyimide film having a thickness of 12.5 μm or more and 25 μm or less, wherein the filmy graphite has a thermal conductivity of 1,481 W/m·K or more, wherein the filmy graphite has an electrical conductivity of 13,500 S/cm or more. 5. A method for producing a filmy graphite comprising the step of heat-treating a polyimide film, wherein the filmy graphite has a thickness of 5.0 μm or more and 10.3 μm or less, and has a thermal conductivity of 1,481 W/m·K or more. 6. The method according to claim 5, wherein the filmy graphite has an electrical conductivity of 13,500 S/cm or more. 7. A method for producing a filmy graphite comprising the step of heat-treating a polyimide film having a thickness of 25 μm or more and 50 μm or less, wherein the filmy graphite has a thermal conductivity of 1,760 W/m·K or more, wherein the filmy graphite has an electrical conductivity of 20,000 S/cm or more. 8. A method for producing a filmy graphite comprising the step of heat-treating a polyimide film, wherein the filmy graphite has a thickness of 10.6 μm or more and 20 μm or less, and has a thermal conductivity of 1,760 W/m·K or more, wherein the filmy graphite has an electrical conductivity of 20,000 S/cm or more. 9. A method for producing a filmy graphite comprising the step of heat-treating a polyimide film having a thickness of 25 μm or more and 50 μm or less, wherein the filmy graphite has a thermal conductivity of 1,398 W/m·K or more, wherein the filmy graphite has an electrical conductivity of 13,000 S/cm or more. 10. A method for producing a filmy graphite comprising the step of heat-treating a polyimide film, wherein the filmy graphite has a thickness of 10.3 μm or more and 21 μm or less, and has a thermal conductivity of 1,398 W/m·K or more, wherein the filmy graphite has an electrical conductivity of 13,000 S/cm or more. 11. A method for producing a filmy graphite comprising the step of heat-treating a polyimide film having a thickness of 50 μm or more and 75 μm or less, wherein the filmy graphite has a thermal conductivity of 1,725 W/m·K or more, wherein the filmy graphite has an electrical conductivity of 16,000 S/cm or more. 12. A method for producing a filmy graphite comprising the step of heat-treating a polyimide film, wherein the filmy graphite has a thickness of 20 μm or more and 32.5 μm or less, and has a thermal conductivity of 1,725 W/m·K or more, wherein the filmy graphite has an electrical conductivity of 16,000 S/cm or more. 13. A method for producing a filmy graphite comprising the step of heat-treating a polyimide film having a thickness of 50 μm or more and 75 μm or less, wherein the filmy graphite has a thermal conductivity of 1,500 W/m·K or more, wherein the filmy graphite has an electrical conductivity of 13,000 S/cm or more. 14. A method for producing a filmy graphite comprising the step of heat-treating a polyimide film, wherein the filmy graphite has a thickness of 21 μm or more and 33 μm or less, and has a thermal conductivity of 1,500 W/m·K or more, wherein the filmy graphite has an electrical conductivity of 13,000 S/cm or more. 15. A method for producing a filmy graphite comprising the step of heat-treating a polyimide film having a thickness of 75 μm or more and 125 μm or less, wherein the filmy graphite has a thermal conductivity of 1,536 W/m·K or more, wherein the filmy graphite has an electrical conductivity of 16,000 s/cm or more. 16. A method for producing a filmy graphite comprising the step of heat-treating a polyimide film, wherein the filmy graphite has a thickness of 32.5 μm or more and 55.5 μm or less, and has a thermal conductivity of 1,536 W/m·K or more, wherein the filmy graphite has an electrical conductivity of 16,000 S/cm or more. 17. A method for producing a filmy graphite comprising the step of heat-treating a polyimide film having a thickness of 75 μm or more and 125 μm or less, wherein the filmy graphite has a thermal conductivity of 1,500 W/m·K or more, wherein the filmy graphite has an electrical conductivity of 12,000 S/cm or more. 18. A method for producing a filmy graphite comprising the step of heat-treating a polyimide film, wherein the filmy graphite has a thickness of 33 μm or more and 55 μm or less, and has a thermal conductivity of 1,500 W/m·K or more, wherein the filmy graphite has an electrical conductivity of 12,000 S/cm or more. 19. A method for producing a filmy graphite comprising the step of heat-treating a polyimide film having a thickness of 12.5 μm or more and 125 μm or less, wherein the filmy graphite has a thermal conductivity of 1,305 W/m·K or more, wherein the filmy graphite has an electrical conductivity of 12,000 S/cm or more. 20. A method for producing a filmy graphite comprising the step of heat-treating a polyimide film having a thickness of 12.5 μm or more and 125 μm or less, wherein the filmy graphite has a thermal conductivity of 1,725 W/m·K or more, wherein the filmy graphite has an electrical conductivity of 13,000 S/cm or more.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.