Patent ID: 6927013

Claim:
A positive-working photosensitive resin composition characterized by comprising 100 parts by weight of a polyamide (A) represented by the general formula (1): (wherein, X is a cyclic compound group of 2 to 4 valences that may have a hydroxyl group or a group wherein a hydrogen atom of a hydroxyl group is replaced with an organic group having 1 to 20 carbon atoms; Y is a cyclic compound group of 2 to 4 valences that may have a hydroxyl group, a group wherein a hydrogen atom of a hydroxyl group is replaced with an organic group having 1 to 20 carbon atoms, a carboxyl group or a group wherein a hydrogen atom of a hydroxyl group is replaced with an organic group having 1 to 20 carbon atoms; and Z is: (wherein, each of R 1 and R 2 is a bivalent organic group; each of R 3 and R 4 is a univalent organic group); a and b each shows a molar fraction; a+b=100% by mole; a=60 to 100% by mole; b=0 to 40% by mole); and 1 to 50 parts by weight of a photosensitive material (B), that is, a 1,2-naphthoquinone-2-diazide-5-sulfonate ester compound or a 1,2-naphthoquinone-2-diazide-4-sulfonate ester compound of a phenol compound having a skeletal structure represented by the general formula (5):