Patent ID: 7625688
Filing Date: 2009-12-01
Classification: G03F,G11B,H01L

Abstract:
1. A resist pattern thickening material comprising: a resin; a crosslinking agent; and at least one of a cationic surfactant, an amphoteric surfactant, and a non-ionic surfactant selected from an, a lauryl alcohol ethoxylate surfactant, an oleyl alcohol ethoxylate surfactant, a secondary alcohol ethoxylate surfactant, a fatty acid ester surfactant, an amide surfactant, an alcohol surfactant, and an ethylene diamine surfactant, wherein the surfactant does not contain acetylene bonding, and wherein the surfactant is included at an amount of 1.25 to 2.5 weight parts with respect to 100 weight parts of the resin, wherein the resist pattern thickening material is capable of thickening a resist pattern of an ArF resist.