| abstract |
(57) [Summary] (Modified) [Purpose] An adhesive insulating film having excellent heat resistance, low water absorption and excellent dielectric properties, and a manufacturing method. [Structure] On one or both sides of a polyimide film having no adhesiveness, the general formula (1) And general formula (2) (In the formulas (1) and (2), Ar 1 represents a divalent organic group, Ar 2 represents a tetravalent aromatic group, Ar 3 represents a divalent aromatic group, and X represents a trivalent aromatic group. Represents a bonding group represented by. A film having a repeating unit represented by |