Patent ID: 8399175

Claim:
A photopolymer resin cleanly separable from a plastic stamper, well adhering to a semi-reflective layer, and consisting of: a surface chelating agent selected from the group consisting of: amine acrylates, phosphate of caprolactone modified 2-hydroxyethyl methacrylate, phosphate of 2-hydroxyethyl methacrylate, 2-methacryloyloxy ethyl acid phosphate, 2-methacryloyloxy ethyl succinic acid, 2-methacryloyloxy ethyl hexahydrophthalate, 2-acryloyloxy ethyl succinate, 2-acryloyloxy ethyl phthalate, 2-acryloyloxy ethyl phosphate, 2-acryloyloxy ethyl phosphate diacrylate, 2-acryolyoxy ethyl hexahydro phthalate, N(beta-aminoethyl) gamma-aminopropyltrimethoxy-silane, and mixtures thereof; a monomer selected from the group consisting of neopentyl glycol diacrylate, diacrylate of hydroxypivalaldehyde modified trimethylolpropane, hydroxyl pivalic acid neopentyl glycol diacrylate, diacrylate of tricyclodecane dimethanol, cyclohexane dimethanol dimethacrylate, ethoxylated bisphenol-A diacrylate, triethylene glycol diacrylate, 1,3-butylene glycol dimethacrylate, dimethacrylate of ethylene oxide modified bisphenol-A, t-butyl methacrylate, polyethylene glycol diacrylate, 3-methyl-1,5-pentanediol diacrylate, 2-butyl-2-ethyl-1,3-propanediol diacrylate, 2-methyl-1,8-octanediol-diacrylate, 1,9-nonanediol diacrylate, and mixtures thereof; and a surface cure initiator selected from the group consisting of 2-hydroxy-2-methyl-1-phenyl-propan-1-one.