Patent ID: 9196484
Filing Date: 2015-11-24
Classification: C08G,C09D,G03F,H01L

Abstract:
1. A composition for forming an underlayer film for a solvent-developable resist, the composition comprising: a hydrolyzable organosilane having a silicon atom bonded to an organic group containing a protected aliphatic alcohol group, a hydrolysate of the hydrolyzable organosilane, a hydrolysis-condensation product of the hydrolyzable organosilane, or a combination thereof; and a solvent; wherein: the silicon atom is present in a ratio of 0.1 to 40% by mol based on a total amount of silicon atoms in the composition; the hydrolysable organosilane is an organosilane of Formula (1): where: R R R a is an integer of 1 or 2: b is an integer of 0 or 1; and a+b is an integer of 1 or 2; and the organic group containing the protected aliphatic alcohol group is an organic group of Formula (2): where: R R