发明名称 OPTICAL INFORMATION RECORDING MEDIUM
摘要 PURPOSE:To obtain a recording medium with which a sufficiently small pit can be formed with a low recording power and without any disturbance of form to ensure a good recording of information, by forming an information recording film with use of an eutectic alloy containing Bi. CONSTITUTION:An information recording film 22 is coated on a smooth main surface 21a of a light transmittable substrate (such as an acrylic substrate) 21. In such information recording medium 31, the film 22 is formed with a metallic layer of an eutectic alloy composed of one type or more of (a) Bi and (b) Pb, In, Cd and Sn.
申请公布号 JPS5724035(A) 申请公布日期 1982.02.08
申请号 JP19800099249 申请日期 1980.07.18
申请人 SONY CORP 发明人 SATOU NOBORU
分类号 B41M5/26;G11B7/24;G11B7/243 主分类号 B41M5/26
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