Patent ID: 6818375
Filing Date: 2004-11-16
Classification: G03F,Y10S

Abstract:
A photoresist composition comprising a polymeric binder, a photoactive component, a photoresist strip enhancer selected from the group consisting of alpha-trichloromethyl benzyl acetate, alpha-tribromomethyl benzyl acetate, alpha-triiodomethyl benzyl acetate, trichloromethyl allyl acetate, tribromomethyl allyl acetate, alpha-trichloromethyl benzyl propionate, alpha-tribromomethyl benzyl propionate, alpha-triiodomethyl benzyl propionate, trichloromethyl allyl propionate, tribromomethyl allyl propionate, alpha-trichloromethyl benzyl benzoate, alpha-tribromomethyl benzyl benzoate, alpha-triiodomethyl benzyl benzoate, trichloromethyl allyl benzoate, tribromomethyl allyl benzoate and alpha-bromodichloromethyl benzyl acetate and optionally a cross linking agent, wherein the photoresist strip enhancer is non-polymerizable with the polymeric binder, optional cross-linking agent or both