Patent ID: 6479211
Filing Date: 2002-11-12
Classification: G03F,Y10S

Abstract:
A positive photoresist composition for far ultraviolet exposure, comprising:(A) a compound capable of generating an acid upon irradiation with actinic rays or radiation, (B) a resin having a repeating unit represented by the following formula (I) and being capable of decomposing under the action of an acid to increase the solubility in alkali, and (D) a fluorine-containing and/or silicon-containing surfactant: wherein R1 represents a hydrogen atom, a halogen atom, a linear or branched alkyl group having from 1 to 4 carbon atoms and R2 to R4 each independently represents a hydrogen atom or a hydroxyl group, provided that at least one of R2 to R4 represents a hydroxyl group.