| 摘要 |
PURPOSE:To improve the long-term stability of a recording state and the recording sensitivity in the stage of reproduction by providing a recording layer which is laminated on a substrate and is formed of an atomic radius effect compd. having 300-300 deg.C m.p. and a reflective layer which is laminated on the recording layer. CONSTITUTION:This recording medium has the recording layer5 which is laminated on the substrate 3 and is formed of the atomic radius effect compd. having 300-800 deg.C m.p. and the reflective layer 7 which is laminated on the recording layer 5. The recording layer 5 is formed of the atomic radius effect compd. which is any among AuPb2, PdGa5, KPb2, Au2Pb, KBi2, MgZn2, Mg2Ba, Au2Bi, Mg2S4, Mg2Ca, and MnSn2. The reflective layer is formed of a metal which is any among Cu, Au and Al. The recording state stable for a long period of time is thereby maintained and the quantity of the reflected light of the irradiated beam in the stage of reproduction is increased. The recording sensitivity is improved by a multiple interference effect. |
