公开(公告)号：US20220157487A1

公开(公告)日：2022-05-19

申请号：US17591755

申请日：2022-02-03

Applicant: AGC INC.

Inventor： Wataru KASAI ,  Tomoya HOSODA ,  Atsumi MITSUNAGA ,  Tatsuya TERADA ,  Sota YUKI

IPC: H01B3/30 ,  B32B15/08 ,  B32B15/20 ,  B32B37/24 ,  B32B7/025 ,  H01B1/02 ,  H01B3/44

Abstract: To provide a film which is excellent in heat resistance, which is less likely to be warped and which has high adhesion, a method for producing it, and a metal-clad laminate and a coated metal conductor, using the film.
The film of the present invention comprises an aromatic polyimide base film, and a layer containing a polymer having units based on tetrafluoroethylene and units based on a perfluoro(alkyl vinyl ether) and an aromatic polymer, formed on each side of the base film.