Patent ID: 6420082
Filing Date: 2002-07-16
Classification: G03F,Y10S

Abstract:
A positive resist fluid comprising a resin which contains groups which decompose by the action of an acid and repeating units represented by the following general formula (I) and comes to have an increased rate of dissolution in an alkaline developing solution by the action of an acid, a compound which generates an acid upon irradiation with actinic rays or a radiation, and a solvent: whereinR1 to R3 each independently represents a hydrogen atom, an alkyl group, a halogen atom, a cyano group, or a group represented by Zâ€”R4â€”Aâ€”R5 Z represents a single bond, an ether group, an ester group, an amide group, an alkylene group, or a bivalent group consisting of a combination of two or more of these, R4 represents a single bond, an alkylene group, an arylene group, or a bivalent group consisting of a combination of two or more of these, R5 represents an alkyl group, an aryl group, or an aralkyl group, and A represents any one of the following functional groups: