Patent ID: 7579131
Filing Date: 2009-08-25
Classification: G03F,Y10S

Abstract:
1. A positive resist composition comprising: (A) a fluorine atom-containing resin; (B) a compound generating an acid upon irradiation with an actinic ray; and (C) a non-polymer dissolution inhibitor represented by one of formula (XA) and formula (XB): wherein the compound of formula (XA) is a fluorine-containing compound, AR each independently represents an alicyclic hydrocarbon group having 7 or more carbon atoms selected from the group consisting of structures (a), (b), (c) and (d): R R L L Z M M a represents an integer of 1 to 5 and b represents an integer of 0 to 5, provided that a and b satisfy 2≦a+b≦10, c represents an integer of 0 to 5, d and e each independently represents an integer of 0 to 5, provided that d and e satisfy 1≦d+e≦10, f each independently represents an integer of 0 to 5, g represents an integer of 2 to 6, and h represents an integer of 0 to 5.