Patent ID: 7677014
Filing Date: 2010-03-16
Classification: G03C

Abstract:
1. A method of increasing manufacturing efficiency of printed wiring boards, comprising the steps of: packaging a photosensitive film roll with a resin case; wherein the photosensitive film roll is formed, by winding around a core, a photosensitive film that comprises a supporting film and a photosensitive resin composition layer formed on the supporting film, wherein the photosensitive resin composition layer comprises a photosensitive resin composition that contains: a binder polymer that is a copolymer comprising components selected from the group consisting of (i) at least methacrylic acid alkyl ester and methacrylic acid as monomers, (ii) at least methacrylic acid alkyl ester and acrylic acid as monomers, (iii) at least acrylic acid alkyl ester and methacrylic acid as monomers, and (iv) at least acrylic acid alkyl ester and acrylic acid as monomers, and a photopolymerizable compound having at least one polymerizable ethylenically unsaturated group within a molecule and a photopolymerization initiator, and wherein the resin case consists of a resin having a lower surface energy than the photosensitive resin composition.