Patent ID: 7094515
Filing Date: 2006-08-22
Classification: G03F,Y10S

Abstract:
1. A stimulus sensitive composition containing a compound capable of generating an acid or a radical on receipt of an external stimulus, the compound being represented by formula (I): wherein R 1 and R 2 each independently represents a hydrogen atom, an alkyl group or an aryl group; R 1 and R 2 may be taken together to form a ring; Y 1 and Y 2 each independently represents an alkyl group or an aryl group; Y 1 and Y 2 may be taken together to form a ring; X − represents a non-nucleophilic anion; and Y represents an aliphatic group having a bridged cyclic structure selected from the group consisting of the following structures (1)–(22) and (24)–(46):