Patent ID: 7592124

Claim:
A photosensitive element comprising a support film which comprises a biaxially oriented polyester film and a photosensitive resin composition layer formed on one surface of the polyester film, wherein a resin layer containing fine particles is formed on the opposite surface of the support film to which the photosensitive resin composition layer is formed, a haze of the support film is 0.01 to 2.0%, and a thickness of the photosensitive resin composition layer is 1 to 30 μm, said photosensitive resin composition comprises: (A) a binder polymer having a carboxyl group, (B) a photopolymerizable compound having at least one polymerizable ethylenically unsaturated group in the molecule, which mainly comprises a bisphenol A type (meth) acrylate compound, and (C) a photopolymerization initiator including a 2,4,5-triaryl imidazole dimer.