Patent ID: 8808446
Filing Date: 2014-08-19
Classification: G03F,H01L,Y10S,Y10T

Abstract:
1. A composition for a resist underlayer film comprising a condensate of a mixture consisting of 5 to 90 mol % of at least one silane compound represented by the following formula (A), 5 to 90 mol % of at least one silane compound represented by the following formula (B) and 5 to 90 mol % of at least one silane compound represented by the following formula (C), or a condensate of a mixture consisting of 5 to 95 mol % of at least two silane compounds represented by the following formula (A) and 5 to 95 mol % of at least one silane compound represented by the following formula (C), wherein R 1 is a cyanoethyl group, 3-isocyanatepropyl group, or methacryloxypropyl group, and R 3 individually represents a monovalent organic group, wherein R 3 individually represents a monovalent organic group, wherein R 3 individually represents a monovalent organic group, and R 4 individually represents a methyl group, an ethyl group, an n-propyl group, an iso-propyl group, an n-butyl group, a sec-butyl group or a tert-butyl group, and d is an integer of 1 to 3.