Patent ID: 8039200

Claim:
A photosensitive composition comprising: (A) a sulfonium salt or an iodonium salt having an anion represented by the following formula (I); (D) a resin soluble in an alkali developer; and (E) an acid crosslinking agent that crosslinks with the resin soluble in an alkali developer by an action of an acid, wherein the resin soluble in an alkali developer is at least one of a novolak resin, o-polyhydroxystyrene, m-polyhydroxystyrene, p-polyhydroxystyrene, a copolymer of at least two of o-hydroxystyrene, m-hydroxystyrene and p-hydroxystyrene, alkyl-substituted polyhydroxystyrene, a partially O-alkylated or O-acylated product of polyhydroxystyrene, a styrene-hydroxystyrene copolymer and α-methylstyrene-hydroxystyrene copolymer: wherein Y represents an alkylene group substituted with at least one fluorine atom.