Pillsbury Winthrop LLP
Method for producing polyimide film
 A method for producing a polyimide film in which the imidation ratio and/or the amount of volatile constituent are controlled to improve the adhesive strength of the polyimide film. The method may also comprise controlling the highest temperature of heating the prefilm to improve the adhesive strength of the polyimide film. 
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
B B B
B29D B29K B29C
inventional additional inventional
Naoki Yuzuru Manabu Haruhiko Hirofumi
Egawa Kondo Fukudome Maki Yamada