Patent ID: 8450041
Filing Date: 2013-05-28
Classification: G03F

Abstract:
1. An actinic ray-sensitive or radiation-sensitive resin composition, comprising: (A) a compound capable of generating an acid represented by formula (I-A) or (I-B) upon irradiation with an actinic ray or radiation; and (B) a resin capable of increasing a dissolution rate of the resin (B) in an alkali developer by an action of an acid, the resin (B) containing a repeating unit represented by formula (3-1): wherein each of R each of A R represents a substituent, and when a plurality of R's are present, two or more R's may combine with each other to form a ring; k represents an integer of 0 to 5; A represents an ester bond or a group represented by —CONH—; R Z represents an ether bond, an ester bond, an amide bond, a urethane bond or a urea bond, and when a plurality of Z's are present, the plurality of Z's are the same or different; R X represents an alkylene group, an oxygen atom or a sulfur atom; m represents an integer of 0 to 5; and n is a repetition number of the structure represented by —R wherein Ra represents a hydrogen atom, a methyl group, —CH