Patent ID: 7288364
Filing Date: 2007-10-30
Classification: C08K,C09D,G03F,H01L

Abstract:
1. A top anti-reflective coating composition, comprising: a top anti-reflective coating polymer selected from the group consisting of: poly(t-butylacrylate-acrylic acid-3-hydroxypropylmethacrylate) of Formula 1 below: wherein a, b and c represent the mole fraction of each monomer and are in the range between about 0.05 and about 0.9, and the sum of a, b, and c equals one; poly(t-butylacrylate-acrylic acid-N-isopropylacrylamide) of Formula 2 below: wherein a, b and c are as defined in Formula 1; and, poly(t-butylacrylate-acrylic acid-2-hydroxyethylmethacrylate) of Formula 3 below: wherein a, b and c are as defined in Formula 1; a photoacid generator represented by Formula 4 below: wherein n is between 7 and 25; and, an organic solvent.