| abstract |
A positive photosensitive resin composition comprising (A) a polyamic acid, (B) a 1,4-dihydropyridine derivative represented by the general formula (II):n nwherein R 2 is a monovalent organic group; each of R 3 , R 4 , R 5 , and R 6 is independently hydrogen or a monovalent organic group; and Ar-NO 2 is an aromatic hydrocarbon group having a nitro group at ortho-position, and (C) an amine compound. |