| abstract |
A composition used to form an insulating part for insulating metal wiring in the electric and electronic devices having the metal wiring, and including a resin (A) having a group represented by formula (a1). The group represented by formula (a1) is bonded to a carbon atom in an aliphatic hydrocarbon group or an aromatic group of a main chain and/or a side chain of resin (A), and the carbon atom is located in a position other than a terminal of main chain of resin (A). |