Patent ID: 7232648
Filing Date: 2007-06-19
Classification: C08F,G03F,Y10S

Abstract:
1. A photosensitive resin composition comprising a resin (A1), a radical initiator (B) and an alkali-soluble photosensitive resin (D), wherein the resin (A1) and the alkali-soluble photosensitive resin (D) are as follows: the resin (A1) has groups (a) of the following formula 1, groups (b) of the following formula 2 and ethylenic double bonds (d): (wherein X is a hydrogen atom, a fluorine atom or a trifluoromethyl group, and R f is a fluorine atom, or an alkyl group having at most 20 carbon atoms wherein at least one of hydrogen atoms is substituted by a fluorine atom (provided that the above alkyl group includes one having an etheric oxygen atom)) (wherein each of R 1 and R 2 which are independent of each other, is a hydrogen atom, an alkyl group, a cycloalkyl group or an aryl group, R 3 is a hydrogen atom or a C 1-10 organic group, and n is an integer of from 1 to 200); the alkali-soluble photosensitive resin (D) has acidic groups (c) and at least three ethylenic double bonds (d) per molecule, and does not have groups (a) of the above formula 1 or groups (b) of the above formula 2.