Patent ID: 8945822
Filing Date: 2015-02-03
Classification: C08K,G03F,H01L

Abstract:
1. A method for forming a resist pattern, comprising: forming a resist pattern on a surface of a workpiece to be processed, and applying a resist pattern thickening material over the surface of the workpiece so as to cover the surface of the resist pattern, wherein the resist pattern thickening material comprises a resin, and a compound represented by the following General Formula (1), the resist pattern thickening material is nonaqueous and contains no acid generator and no crosslinker, where “X” represents a functional group represented by the following Structural Formula (1); “Y” represents at least any one of a hydroxyl group, an amino group, an alkyl group-substituted amino group, an alkoxy group, an alkoxycarbonyl group, and an alkyl group, and the number of substituents in an amino group substituted by alkyl groups is an integer of 1 or 2; “m” is an integer of 1 or more; and “n” is an integer of 0 or more, where “R wherein the resin is the polyparahydroxystyrene resin.