Patent ID: 9316908
Filing Date: 2016-04-19
CPC Classification: G03F

Claim Text:
1. An actinic-ray- or radiation-sensitive resin composition comprising: (A) a resin that when acted on by an acid, is decomposed to thereby increase its alkali solubility, which resin comprises both of any of repeating units (I) of general formula (I) below and any of repeating units (III) of general formula (III) below, (B) an onium salt acid generator that when exposed to actinic rays or radiation, generates a sulfonic acid whose volume ranges from 250 Å (C) an onium salt acid generator that when exposed to actinic rays or radiation, generates a sulfonic acid whose volume is 400 Å in which in general formula (I), R in general formula (III), R wherein the acid generators (B) and (C) are simultaneously acid generators that when exposed to actinic rays or radiation, generate an optionally substituted benzenesulfonic acid.