摘要 |
An optical recording medium having first protective layer, recording layer, second protective layer, and reflective layer, wherein the recording layer contains a phase-change material represented by Formula (1″1), Formula (1-2), or Formula (1-3); the second protective layer contains one selected from zinc oxides, indium oxides, tin oxides, mixtures thereof, and materials Formula (2), and materials Formula (3). Formula (1″1): InαiSbβiX1γi(X1: Ge, Te, Zn, Mn, or mixture thereof, 0.10≰α1≰0.25, 0.65≰β1≰0.80, and 0.04≰γ1≰0.15) Formula (1-2): Gaα2Sbβ2SnY2Ges2X2∈2 (X2: Te, Zn, Mn, In, or mixture thereof, 0.04≰α2≰0.09, 0.56≰62≰0.79, 0.05≰γ2<0.30, 0.03≰δ2≰0.19, and 0≰∈2≰0.09) Formula (1-3): Mnα3Sbβ3SnY3Geδ3X3∈3 (X3: Te, In, Zn, Bi, or mixture thereof, 0.04≰α3≰0.09, 0.56≰63≰0.79, 0.05≰γ3≰0.29, 0.03≰δ3≰0.23, and 0≰∈3≰0.09) Formula (2): ZnO—Al—Y [(100−α4−64):α4:β4] (Y: Mn, Ge, Ti, or mixture thereof, 0.5≰α4≰10.0, and 0≰B4≰25.0) Formula (3): ZnO—Al2O3—Z [(100−α5−65):α5:β5] (Z: Mn oxide, Ge oxide, Ti oxide, or mixture thereof, 0.5≰α5≰10.0, and 0≰65≰30.0). |