Patent ID: 9158196
Filing Date: 2015-10-13
Classification: C07D,C08F,G03F,H01L

Abstract:
1. A radiation-sensitive resin composition for forming a resist film, comprising: a polymer comprising at least one polymer molecule, the at least one polymer molecule comprising: a first structural unit represented by formula (1); and a second structural unit represented by formula (2); a third structural unit comprising an acid-dissociable group and being represented by formula (4); and a fourth structural unit other than the third structural unit, comprising an acid-dissociable group and being represented by the formula (4), the first structural unit, the second structural unit, the third structural unit and the fourth structural unit being included in an identical polymer molecule or different polymer molecules, wherein, in the formula (1), R in the formula (2), R in the formula (4), R the radiation-sensitive resin composition being for use in a pattern-forming method, comprising: providing the resist film on a substrate; exposing the resist film; heating the exposed resist film at a temperature of no greater than 110° C.; and developing the heated resist film.