| 摘要 |
PURPOSE:To improve the high temp. and high humidity load characteristics of the reflecting film of an optical information recording medium. CONSTITUTION:This optical information recording medium 10 consists essentially of a discoid substrate 1 molded from a transparent resin, a reflecting film 3 formed on the signal face 1a of the substrate 1 and a protective film 4 laminated on the reflecting film 3 and the reflecting film 3 is made of a thin film of an Al alloy contg. 0.5-5.0% at least one among Si, Ti and Mn. |
