Patent ID: 7666574
Filing Date: 2010-02-23
Classification: G03F,Y10S

Abstract:
1. A positive photosensitive composition comprising: (A) a resin that has an acid decomposable repeating unit represented by formula (I) and increases its solubility in an alkali developer by action of an acid; (B) a compound generating an acid in irradiation with actinic light or radiation; (C) a resin that contains neither fluorine nor silicon and has at least one repeating unit selected from repeating units represented by formulas (C-I) to (C-III); and (D) a solvent, wherein, in the formula (I), Xa Ry Z represents a divalent linking group, wherein, in the formulas (C-I) to (C-III), R R P P n stands for an integer from 1 to 4; and wherein the amount of the resin (C) is from 0.1 to 5 mass % based on total solids content of the composition.