Patent ID: 7662542
Filing Date: 2010-02-16
Classification: G03F,H01L,Y10S

Abstract:
1. A resist pattern forming method comprising: forming an organic antireflection film on a foundation member; forming a resist film on the organic antireflection film; forming a latent image pattern in the resist film; forming a resist pattern in the resist film by developing the resist film in which the latent image is formed by a solution that does not dissolve the organic antireflection film; coating a resin solution which does not dissolve the organic antireflection film and contains resin on the resist pattern; forming a cross-linked layer and a non-cross-linked layer from the resin solution, the cross-linked layer being formed by causing the resin to cross-link, the non-cross-linked layer mainly comprising the resin that is not cross linked; removing the non-cross-linked layer; and etching the organic antireflection film between a gap of the resist patterns with the cross-linked layer by an organic solution that dissolves the organic antireflection film and does not dissolve the cross-linked layer.