NEGATIVE PHOTOSENSITIVE POLYIMIDE COMPOSITION AND INSULATING FILM

摘要

PROBLEM TO BE SOLVED: To provide a negative photosensitive polyimide composition. SOLUTION: The negative photosensitive polyimide composition is soluble in solvents and it comprises >=2 units of aromatic diamines in the main chain of polyimide and one of them is the photosensitive aromatic diamine and the other one is the aromatic diamine having a hydrophilic group, and the above photosensitive aromatic diamine has acrylate or methacrylate ester groups as photosensitive groups in the side chains, and this invention includes the image forming method.