Patent ID: 8993086
Filing Date: 2015-03-31
Classification: G11B,Y10T

Abstract:
1. A recordable optical recording medium comprising: a substrate having thereon at least a reflective layer; a recording layer formed by an organic dye; and a light transmission layer; the organic dye having an azo metal complex dye and an additive added to the azo metal complex dye; the azo metal complex dye having a triazole structure represented by the following general formula: in which R is a functional group selected from the group consisting of hydrogen, C M is a metal atom selected from the group consisting of nickel, cobalt and copper; the cyclic part of the general formula (1) is made of carbon, oxygen and hydrogen atoms; and the cyclic part of the general formula (1) has a structure represented by one of following general formulae (a) to (j), (l), and (q):