Patent ID: 6706359
Filing Date: 2004-03-16
Classification: G11B,Y10T

Abstract:
An optical information recording medium comprising a reflective film, a recording film and a protective film on a substrate,wherein the protective film is provided in a surface layer on a side opposite to the substrate; wherein, on an outer layer of at least one selected from the substrate and the protective film, a hard coat resin layer is formed; and wherein, on an outer layer of the hard coat resin layer, a chemisorptive film comprising organic silane molecules represented by the general formula R4-m-nSiRâ€²mZnâ€”(wherein R is a group including a carbon chain with a carbon number of 3 to 25, Z is O, N or S, n is 1, 2 or 3, Râ€² is hydrogen or an alkyl group with a carbon number of 1 to 3, and m is 0, 1 or 2) is formed by covalent bonding with the hard coat layer.