rawing group and a pKa that does not exceed 0, the photoacid generating compound has a formula: where R is an organic radical having from 1 to 18 carbon atoms, X is a strong electron withdrawing group, a is a whole number from 1 to 18, R7 is a straight chain branched or cyclic alkyl group having from 1 to 10 carbon atoms and Z is a sulfonyl or a carbonyl group, the alkali soluble resin binder conf