Patent ID: 7083892
Filing Date: 2006-08-01
Classification: G03F

Abstract:
1. A positive resist composition comprising: (A) a compound generating an acid upon irradiation with actinic rays or radiation, the compound having: a partial structure represented by the following formula (1); and a counter ion; and (D) a resin capable of increasing in the solubility in an alkali developer under the action of an acid, wherein the composition comprises the compound (A) in an amount of from 3.6 to 15 wt % based on the solid content of the composition: wherein X represents a sulfur atom or an iodine atom and the plurality of Xs may be the same or different, R A and B each independently represents a hydrocarbon structure connecting between X l represents 0 or 1, and, when X is a sulfur atom, l parenthesizing R m represents an integer of 0 to 10, and n represents an integer of 1 to 5.