Patent ID: 8846294
Filing Date: 2014-09-30
Classification: G03F,Y10S

Abstract:
1. A photoresist composition comprising the following components (A), (B) and (X): (A) a resin being insoluble or poorly soluble in an aqueous alkali solution but becoming soluble in an aqueous alkali solution by the action of an acid, (B) an acid generator, (X) at least one compound selected from the group consisting of a compound represented by the formula (I-a): wherein Z 1 represent a C1-C20 divalent saturated aliphatic hydrocarbon group in which one or more —CH 2 — may be replaced by —O— or —CO—, and a compound represented by the formula (I-b): wherein R 1 represents a C1-C20 monovalent saturated aliphatic hydrocarbon group in which one or more hydrogen atoms may be substituted with a hydroxyl group and one or more —CH 2 — may be replaced by —O— or —CO—, and n represents 0 or 1.