Patent ID: 6768710
Filing Date: 2004-07-27
Classification: G11B,Y10T

Abstract:
An optical information recording medium comprising:a transparent substrate and at least one information layer formed on the transparent substrate, wherein the information layer comprises a recording layer made of a material comprising Te, O and M, where M is at least one element selected from the group consisting of Al, Si, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, Zr, Nb, Mo, Ru, Rh, Pd, Ag, In, Sn, Sb, Hf, Ta, W, Re, Os, Ir, Pt, Au and Bi, and a reflectance with respect to a light beam incident from a side of the transparent substrate after recording information on the recording layer is lower than a reflectance before recording.