Patent ID: 8119325
Filing Date: 2012-02-21
Classification: G03F,H01L

Abstract:
1. A method for forming a resist pattern, comprising at least: forming a resist pattern with at least a resist containing an ArF resist and an acrylic resin, coating a resist pattern thickening material that comprises at least a resin and a compound expressed by the general formula (1) shown below to cover the surface of the resist pattern, baking the resist pattern thickening material, and developing and separating the resist pattern thickening material, and wherein the coating is carried out plural times; in the general formula (1), “X” represents a functional group expressed by the following structural formula (1); “Y” represents at least one of hydroxyl group, amino group, alkyl group-substituted amino group, alkoxy group, alkoxycarbonyl group and alkyl group, the number of substituent m and n is an integer from 0 to 3; and “m” represents an integer of 1 or more and “n” represents an integer of 0 or more; in the structural formula (1), “R1” and “R2” may be the same or different, and each represents a hydrogen atom or a substituent group; “Z” represents at least one of hydroxyl group, amino group, alkyl group-substituted amino group and alkoxy group, and the number of substituents in the structural formula (1) is 0 to 3.