Patent ID: 6048662
Filing Date: 2000-04-11
Classification: G03F,Y10S

Abstract:
An antireflective coating composition for use in photolithography comprisingat least one suitable film-forming resin;at least one polyoxyalkylenated colorant defined by the Formula (I)[Z.sub.2 -N].sub.y R{A-[(B).sub.n ].sub.m }.sub.x (I)whereinR is an organic chromophore which is compatible with the spectral characteristics of the photolithography process;A is a linking moiety in said chromophore selected from the group consisting of N, O, S, SO.sub.2 N, and CO.sub.2 ;B is an alkylene constituent having from 2 to 18 carbon atoms;Z is selected from the group consisting of H and lower alkyl (C.sub.1 -C.sub.8);n is an integer of from 1 to about 50;m is 1 when A is O, S, or CO.sub.2, and m is 2 when A is N or SO.sub.2 N;x is an integer of from 1 to about 5; andy is an integer of from 0 to about 5; andat least one suitable antireflective coating solvent.