| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a curable resin composition capable of forming a cured film excellent in resolution and reflection characteristics, and a dry film and printed wiring board using the composition. <P>SOLUTION: A curable resin composition contains (A) a carboxyl group-containing resin, (B) a titanium oxide, and (C) a filler obtained by burning a hydrated silicate mineral containing aluminum or magnesium. The curable resin composition preferably has a thermosetting component and contains a photopolymerization initiator and a photosensitive monomer. (C) the filler obtained by burning the hydrated silicate mineral containing aluminum or magnesium is preferably made of pyrogenic Neuburger silica particles. <P>COPYRIGHT: (C)2013,JPO&INPIT |
