abstract |
PROBLEM TO BE SOLVED: To provide an adhesive tape having a high level of heat resistance, moisture resistance and chemical resistance. SOLUTION: It has a support substrate and an adhesive layer formed on the support substrate, The adhesive tape which the said support base material consists of a film containing the polyimide formed by polycondensing aromatic diamines which have a benzoxazole structure, and aromatic tetracarboxylic anhydrides. Preferably, the aromatic diamine is 5-amino-2- (p-aminophenyl) benzoxazole. [Selection figure] None |