Patent ID: 7811740

Claim:
A positive photoresist composition comprising: (A) a resin having a monocyclic or polycyclic alicyclic hydrocarbon structure and capable of decomposing by an action of an acid to increase a solubility of the resin in an alkaline developer; (B) a compound capable of generating an acid upon treatment with one of an actinic ray and radiation; and (F) a surfactant containing a fluorine atom in an amount of from 30 to 60 mass %, wherein the surfactant of component (F) is represented by formula (1): wherein R 1 represents a hydrogen atom or an alkyl group; R 2 and R 3 each independently represents a hydrogen atom, an alkyl group, an alkylcarbonyl group or a lactone group; Rf represents a fluoroalkyl group or a fluoroalkylcarbonyl group; and m represents an integer of from 1 to 50.