Patent ID: 6528231
Filing Date: 2003-03-04
Classification: B82Y,G03F,H05K,Y10S

Abstract:
A photosensitive resin composition which comprises (a) an oxygen sensitizer and (b) a cis-diene-substituted polyamic acid or a polyimide having a structural unit represented by formula (4): wherein at least one of R22, R23, R24 and R25 represents a monovalent organic group having a cis-diene structure; the rest of R22, R23, R24 and R25 each independently represents hydrogen, a hydroxyl group, a carboxyl group, an alkyl group having 1 to 20 carbon atoms or an alkoxy group having 1 to 20 carbon atoms; X1 and X2 each independently represents oxygen, sulfur, an alkylene group having 1 to 4 carbon atoms, an alkylidene group having 1 to 4 carbon atoms or an alkyleneoxy group having 1 to 4 carbon atoms; Ar1 and Ar2 each independently represents a divalent aromatic group; and l1, l2, m1 and m2 each independently represents 0 or 1, except that m1 represents 1 when l1 represents 1, and m2 represents 1 when l2 represents 1.