Patent ID: 8916329

Claim:
A hardmask composition for processing a resist underlayer film, comprising: a solvent; a crosslinking catalyst, wherein the crosslinking catalyst includes at least one of pyridinium p-toluenesulfonate, amidosulfobetain-16, (−)-camphor-10-sulfonic acid ammonium salt, ammonium formate, triethylammonium formate, trimethylammonium formate, tetramethylammonium formate, pyridinium formate, ammonium acetate, triethylammonium acetate, trimethylammonium acetate, tetramethylammonium acetate, and pyridinium acetate; and an organosilane polymer, wherein the organosilane polymer is represented by Formula 6: wherein R is methyl or ethyl, Ar is an aromatic ring-containing functional group, x, y and z satisfy the relations x+y=4, 0.4≦x≦4, 0≦y≦3.6, and 4×10 −4 ≦z≦1, n is about 3 to about 500, and R′ is a moiety bound to silicon of the organosilane polymer, the silicon-bonded R′ moiety being a hydrolyzed moiety of a first compound selected from: