Patent ID: 8962233
Filing Date: 2015-02-24
Classification: C07C,C07D,G03F

Abstract:
1. An actinic-ray- or radiation-sensitive resin composition comprising an arylsulfonium salt that when exposed to actinic rays or radiation, generates an acid, the arylsulfonium salt containing at least one aryl ring on which there are a total of one or more electron donating groups, the acid generated upon exposure to actinic rays or radiation having a volume of 240 Å3 or greater, wherein the arylsulfonium salt contains any of cation moieties of general formula (I): provided that when m is 1 and n is 2, two R wherein the arylsulfonium salt contains any of anion moieties of general formula (II): wherein in general formula (II), D represents any of groups of formula (V):