| abstract |
The present invention provides an alkali-developable and excellent resolution, and at the same time can form a hardened product with excellent (wet) heat resistance and cold and hot shock resistance, and can suppress the discoloration caused by the oxidation of the copper circuit. Resin composition, dry film and these cured products, and printed wiring boards using these cured products.nn n n An alkali-developable photocurable resin composition characterized by containing: (A) carboxyl group-containing resin, (B) photopolymerization initiator, (C) blue colorant, black colorant, or blue coloring Agent and black colorant, (D) yellow colorant and (E) red colorant. |