OPTICAL INFORMATION RECORDING MEDIUM

摘要: PURPOSE:To prevent oxidation of a recording layer and to obtain an optical information medium having excellent resistance corrosion by providing passive film on one or both surfaces the consisting essentially amorphous low melting metal. CONSTITUTION:A 2 contg. >=1 kind among Cr, Ti, V Mo as well P is formed base plate 1 glass, plastic, etc. performing vapor deposition under reduced pressure in gaseous O2 atmosphere from evaporating sources for elements cush P. An 3 alloy composed metal such Bi Te thereon thereafter 2' said like 2. A protective 4 polycarbonate provided if desired, which obrd. member 7 metalloid element P, C, B, Si, Ar, Ge may be at point time when 6 5 similarly above-described succession, 6' provided. The durability thus obtd.