PHOTOCURABLE RESIN COMPOSITION, DRY FILM AND PRINTED WIRE BOARD

摘要

PROBLEM TO BE SOLVED: To provide a photocurable resin composition which makes it possible to obtain a cured product having a low curing shrinkage and a low CTE (thermal expansion coefficient).SOLUTION: A photocurable resin composition comprises a carboxyl group-containing resin, a photopolymerization initiator and three or more kinds of photoreactive compounds, where the three or more kinds of photoreactive compounds each have a (meth)acryloyl group having the number of functional groups in the range of 2 or more and less than 10, with the numbers being different from one another.SELECTED DRAWING: None