| 摘要 |
PROBLEM TO BE SOLVED: To provide an alkali-developable photosensitive resin composition excellent in developability, dry-to-touch property, and punching resistance, a dry film comprising the composition, cured products thereof, and a printed wiring board having the cured products.SOLUTION: The alkali-developable photosensitive resin composition contains (A) a carboxyl group-containing resin, (B) an inorganic filler, (C) a thermosetting component, and (D) a photopolymerization initiator. The alkali-developable photosensitive resin composition contains, as the carboxyl group-containing resin (A), either (A1) a carboxyl group-containing resin having a phenolic skeleton and (A2) a carboxyl group-containing resin having a cresol novolac type skeleton, or (A3) a carboxyl group-containing resin having a phenolic skeleton and a cresol novolac type skeleton and contains, as the inorganic filler (B), spherical silica. |
