Patent ID: 9620378
Date: 2017-04-11
CPC Classifications: C07C,C09D,G03F

Claim:
1. A method for producing a patterned substrate, comprising: applying a composition on an upper face side of a substrate to form a resist underlayer film; forming a resist pattern directly or indirectly on the resist underlayer film; and etching using the resist pattern as a mask such that the substrate has a pattern, wherein the composition comprises: a solvent; and a compound represented by formula (2): wherein, in the formula (2), Z represents a partial structure represented by formula (1); k1 and k2 are each independently an integer of 0 to 9, wherein a sum of k1 and k2 is no less than 1, and a sum of a1 and k1 and a sum of a2 and k2 are no greater than 9; Ar wherein, in the formula (1), R