Ube Industries, Inc.

Hideharu Watakabe

Hiroaki Yamaguchi

Fumio Aoki

Hideki Ozawa

Toshihiko Anno

Shigeru Yamamoto

Michimasa Shimizu

Shuichi Hashiguchi

A flexible heating sheet is composed of two heat fusible aromatic polyimide films and an electric heating element having an electric source-connecting terminal at each end which intervenes between the heat fusible aromatic polyimide films, in which each heat fusible aromatic polyimide film is covered with a heat resistant aromatic polyimide film.

Flexible heating sheet

In a heat-resistant aromatic polyimide/metal (or metal oxide) composite sheet composed of an aromatic polyimide film and a metal or metal oxide layer arranged on the film, the polyimide film is composed of an aromatic polyimide resin and an Al-containing material dispersed in the polyimide resin in an amount of 1 to 1,000 ppm per the amount of polyimide film, and the metal or metal oxide layer is formed on the polyimide film via no adhesive.

Aromatic polyimide film having improved adhesion

Growing community of inventors

Yamaguchi, Japan

Hideharu Watakabe