Patent ID: 7049036

Claim:
A photosensitive resin composition comprising a photosensitive resin (A), a photopolymerization initiator (B), and a flame retardant (C), wherein the photosensitive resin (A) is obtained by reacting a reaction Product of epoxy resin (a 1 ) and unsaturated group-containing monocarboxylic acid (a 2 ), with anhydride (a 3 ) of saturated or unsaturated group-containing polybasic acid, and the epoxy resin (a 1 ) is selected from the group consisting of novolac-type epoxy resins, bisphenol-type epoxy resins, salicylic aldehyde-type epoxy resins, and rubber-modified epoxy resins; the flame retardant (C) comprises a metal hydroxide (C 3 ) and a triazine-based compound (C 2 ), and the component (C 3 ) is included in an amount of 10 to 40% by weight, and the component (C 2 ) is included in an amount of 0.5 to 8% by weight, based on the total amount of the composition.