Patent ID: 7226726
Filing Date: 2007-06-05
Classification: G03F

Abstract:
1. A developer comprising a surfactant and water or a mixture of water and an organic solvent, wherein the surfactant comprises at least one selected from an N-acylsarcosinate, an N-acyl-N-methylalaninate, an N-acyltaurinate, and an N-acyl-N-methyltaurinate, where the counter ion of the N-acylsarcosinate, the N-acyl-N-methylalaninate, the N-acyltaurinate, and the N-acyl-N-methyltaurinate is an organic amine or an organic amine salt, wherein said developer is used for forming a pattern comprising forming a coating layer on a resist pattern, thickening the resist pattern by crosslinking of the coating layer, and removing the uncrosslinked coating layer with the developer to effectively make the pattern finer.