| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a curable composition which is halogen-free, has high sensitivity, excels in soldering resistance, resistance to electroless gold plating, moisture resistance and resistance to electrode corrosion, and takes environmental problems into consideration; to provide a dry film and a cured product using the composition; and to provide a printed wiring board comprising their cured films. <P>SOLUTION: The composition includes (A) a curable resin derived from a compound having a structure expressed by formula (1), and (B) a curable resin composition having a layered double hydroxide such as hydrotalcite (in the formula R<SP POS="POST">1</SP>is an (m+l)-valent polyhydric alcohol derivative; m and n are each an integer of ≥1 and <10; l is 0 or an integer of ≥1; R<SP POS="POST">2</SP>is CH<SB POS="POST">2</SB>, C<SB POS="POST">2</SB>H<SB POS="POST">4</SB>, C<SB POS="POST">3</SB>H<SB POS="POST">6</SB>, C<SB POS="POST">4</SB>H<SB POS="POST">8</SB>, or a substituted or unsubstituted aromatic ring; and R<SP POS="POST">3</SP>is a substituted or unsubstituted aromatic ring). <P>COPYRIGHT: (C)2012,JPO&INPIT |
