Patent ID: 9403977
Filing Date: 2016-08-02
CPC Classification: C08J,C08L,G03F

Claim Text:
1. A positive-type photosensitive resin composition, comprising: (A) a modified novolac-type phenol resin having an unsaturated hydrocarbon group; (B) a novolac-type phenol resin obtained from metacresol and paracresol; (C) a novolac-type phenol resin obtained from orthocresol; (D) a compound generating an acid by light; and (E) a polybasic acid or a polybasic acid anhydride, wherein a content of the polybasic acid or a polybasic acid anhydride is lower than 40 parts by mass per 100 parts by mass of a total amount of the modified novolac-type phenol resin having an unsaturated hydrocarbon group, the novolac-type phenol resin obtained from metacresol and paracresol, the novolac-type phenol resin obtained from orthocresol and the compound generating an acid by light.