Patent ID: 7892620
Filing Date: 2011-02-22
Classification: C04B,G11B,Y10T

Abstract:
1. An information recording medium that is equipped with at least a recording layer and undergoes phase change when the recording layer is irradiated with a laser beam or when current is applied, said information recording medium comprising: an oxide-fluoride dielectric layer that includes indium (In), an element M1 (where M1 is at least one element selected from among Zr, Hf, Y, Ti, Nb, Ta, Cr, Ga, and Si), oxygen (O), an element M2 (where M2 is at least one element selected from among La, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Er, Yb, Mg, Ca, and Sr), and fluorine (F).