| abstract |
A photocurable and thermosetting resin composition comprising (A) a carboxyl-group containing resin, (B) an oxime ester-based photopolymerization initiator containing an oxime ester group, (C) an aminoacetophenone-based photopolymerization initiator and/or a phosphine oxide-based photopolymerization initiator, (D) a compound having at least two ethylenically unsaturated groups in its molecule, (E) a filler, and (F) a thermosetting component is capable of being developed with a dilute alkaline solution and cured with a laser emission source having a maximum wavelength of 350 nm to 420 nm. |