The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 19, 2023
Filed:
Oct. 29, 2018
Applicant:
Daikin Industries, Ltd., Osaka, JP;
Inventors:
Mayuko Tatemichi, Osaka, JP;
Takeshi Hazama, Osaka, JP;
Nobuyuki Komatsu, Osaka, JP;
Tatsuya Higuchi, Osaka, JP;
Kouji Yokotani, Osaka, JP;
Akio Higaki, Osaka, JP;
Tomohiro Tanaka, Osaka, JP;
Assignee:
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/28 (2006.01); C08J 5/18 (2006.01); H01G 4/18 (2006.01); H01G 4/33 (2006.01); G02B 26/00 (2006.01); C08L 27/20 (2006.01); C08L 27/18 (2006.01);
U.S. Cl.
CPC ...
C08J 5/18 (2013.01); H01G 4/18 (2013.01); H01G 4/33 (2013.01); B32B 27/28 (2013.01); B32B 2327/18 (2013.01); C08J 2327/18 (2013.01); C08J 2327/20 (2013.01); C08L 27/18 (2013.01); C08L 27/20 (2013.01); C08L 2203/16 (2013.01); G02B 26/005 (2013.01); H01G 4/186 (2013.01);
Abstract
A film having a dielectric dissipation factor at a frequency of 1 kHz and 160° C. of 0.02% or lower and a dielectric breakdown strength at 160° C. of 400 V/μm or higher. Also disclosed is a film including at least one fluoropolymer selected from a tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer and a tetrafluoroethylene/hexafluoropropylene copolymer, the fluoropolymer having a crystallinity of 65% or higher.