Patent ID: 7192681
Filing Date: 2007-03-20
Classification: G03F,Y10S

Abstract:
1. A positive photosensitive composition comprising (A) an acid generator that generates an acid upon irradiation of an actinic ray or radiation, (B) a resin that has a monocyclic or polycyclic alicyclic hydrocarbon structure and is decomposed by the action of an acid to increase solubility in an alkali developing solution, (C-1) a mixture of at least two basic compounds having different structures, (D) a fluorine and/or silicon surface active agent, and (E) a mixed solvent composed of a solvent containing a hydroxy group and a solvent containing no hydroxy group, wherein the resin of component (B) is a resin containing a repeating unit having a partial structure including an alicyclic hydrocarbon represented by formula (pI), (pII), (pIII), (pIV), (pV) or (pVI) described below, and a repeating unit having a group represented by any one of the following formulae (V-1) to (V-4): wherein R wherein R wherein the resin of component (B) further contains a repeating unit having a lactone structure represented by the following formula (IV): wherein R