| abstract |
The present invention provides a photocurable resin composition having a sensitivity and alkali developability equal to or higher than that in the prior art, and having excellent stability such as water resistance, electrical insulation, PCT resistance, etc., without exhibiting fragility due to temperature change in the cured product thereof. do. The photocurable resin composition contains a carboxyl group-containing resin, a photopolymerization initiator, a vinyl group-containing elastomer, and a styryl group-containing compound. |