Patent ID: 8025927

Claim:
A method of forming an antireflective coating (ARC) on an electronic device comprising (A) applying to an electronic device an ARC composition comprising (i) a silsesquioxane resin having the formula (PhSiO (3-x)/2 (OH) x ) m (HSiO (3-x)/2 (OH) x ) n (MeSiO (3-x)/2 (OH) x ) p where Ph is a phenyl group, Me is a methyl group, x has a value of 0, 1 or 2; m has a value of 0.05 to 0.95, n has a value of 0.05 to 0.95, p has a value of 0.05 to 0.95, and m+n+p≈1; and (ii) a solvent selected from 1-methoxy-2-propanol, propylene methyl ether acetate and cyclohexanone; and (B) removing the solvent and curing the silsesquioxane resin to form an antireflective coating on the electronic device.