Patent ID: 7776512

Claim:
A positive photosensitive composition comprising: (A) a compound capable of generating a sulfonic acid represented by the following formula upon irradiation with one of an actinic ray and radiation; and (B) a resin which contains at least one of a monocyclic alicyclic structure and a polycyclic alicyclic structure and which is capable of decomposing under the action of an acid to increase the solubility in an alkali developer: wherein m 1 is an integer of 0 to 3, A l represents a single bond, —CONR— or —COO, wherein R represents a hydrogen atom, or an alkyl group having 1 to 10 carbon atoms, which may be substituted with a halogen atom, a hydroxyl group or an alkoxy group, R 10a , R 11a and R 13a each represents a hydrogen atom, an alkyl group, a haloalkyl group, a halogen atom or a hydroxyl group, and R 2a represents an alkyl group or a hydroxyl group.