Patent ID: 8158326
Filing Date: 2012-04-17
Classification: C07C,G03F,Y10S

Abstract:
1. A photosensitive composition comprising (A) a compound which, upon irradiation with one of an actinic ray and a radiation, generates an acid represented by one of formulae (I) and (I′): wherein A A Ra represents a group selected from the group consisting of an ethyl group, a n-propyl group, a n-butyl group, a n-pentyl group, a n-hexyl group, a n-octyl group, a n-dodecyl group, a n-tetradecyl group, a n-octadecyl group, a branched alkyl group, a cycloalkyl group, an aryl group which has a substitutent, an aralkyl group, and an alkenyl group; n represents 2 or 3; Rb represents a connecting group having a valence of n; and when A (B) a resin which decomposes by an action of an acid to increase a solubility of the resin in an alkaline developer.