Patent ID: 8367283
Filing Date: 2013-02-05
Classification: C08G,C08L,G03F

Abstract:
1. A positive-working photosensitive resin composition comprising a polyamide resin and a photosensitive agent, wherein the polyamide resin is represented by the formula (1) wherein Y is an organic group; Z is an organic group; R 1 is a hydroxyl group, carboxyl group, O—R 2 or COO—R 2 ; n is an integer of 0 to 4 and when n is an integer of 2 or more, two or more R 1 s may be the same or different; R 2 is an organic group having 1 to 15 carbon atoms; R 3 is a hydroxyl group or O—R 2 ; m is an integer of 0 to 2 and when m is 2, two R 3 s may be the same or different; a is 30 to 70 mol%; b is 30 to 70 mol%; a+b=100 mol%; when R 3 is a hydroxyl group, it is attached to an ortho position of the amide group, and when R 3 is not a hydroxyl group, at least one R 1 is a carboxyl group; and * means connecting to the NH group.