| abstract |
It is a multilayer polyimide film in which the polyimide layer (a) containing a pigment was laminated | stacked on the single side | surface or both surfaces of a polyimide layer (b), The polyimide which comprises the said polyimide layer (b) is 3,3 ', A multilayer polyimide film comprising an aromatic tetracarboxylic acid unit containing 70 to 100 mol% of 4,4'-biphenyltetracarboxylic acid units and an aromatic diamine unit containing 70 to 100 mol% of p-phenylenediamine units. |