Patent ID: 6296985
Filing Date: 2001-10-02
Classification: C08G,C08K,G03F

Abstract:
A positive photoresist composition comprising (a) an acid-decomposable polysiloxane having a structural unit represented by formula (IV) ##STR68##wherein n represents an integer of from 1 to 6; X represents a single bond or a divalent linking group;and Z' represents a monovalent group selected from the group consisting of the groups represented by the following formula (V-1) and (V-2): ##STR69##wherein R represents an acid-decomposable group; Y represents a hydrogen atom, a straight chain, branched or cyclic alkyl group, an aryl group, or an aralkyl group; 1 represents an integer of from 1 to 3; and m represents an integer of from 1 to 3, and (b) a compound which is decomposed by exposure to generate an acid.