Patent ID: 7147983

Claim:
A photoresist composition that comprises a resin binder, a photoacid generator compound and a dye that comprises a structure of the following formula: each R 2 is independently substituted or unsubstituted alkyl; W′ is a bond or substituted or unsubstituted alkylene; G is a carbon, nitrogen, oxygen or sulfur; each R 3 may be independently halogen; substituted or unsubstituted alkyl; substituted or unsubstituted alkoxy; substituted or unsubstituted alkenyl; substituted or unsubstituted alkynyl; substituted or unsubstituted alkylthio; cyano; nitro; amino and hydroxy; m is an integer of from 0 to 7; x′ and y′ are mole fractions of the respective units; and each Z is a bridge group between polymer units.