Photosensitive resin composition, and film and printed circuit board using same
Abstract:
A non-reactive photosensitive resin composition storable at room temperature comprises a carboxylic acid-modified bisphenol epoxy (meth)acrylate, a photosensitive monomer, a photosensitive prepolymer, a photo-initiator, and a coloring agent. Each of the carboxylic acid-modified bisphenol epoxy (meth)acrylate, photosensitive monomer, and photosensitive prepolymer has a plurality of carbon-carbon double bonds, so that the carboxylic acid-modified bisphenol epoxy (meth)acrylate, photosensitive monomer and photosensitive prepolymer may be polymerized to form a dense cross-linking network structure when the photosensitive resin composition is exposed to ultraviolet radiation. A film and a printed circuit board using the photosensitive resin composition are also provided.
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