PREPARATION OF OPTICAL RECORDING CARRIER

摘要

PURPOSE:To extend the environment-resistant life of an optical disk by improving the close adhesivenss of a substrate and a recording film. CONSTITUTION:After the surface 2 of a substrate 1 is modified by ion bombardment, an optical recording film 4 of a Te or TeOx type to which Pd is added in an amount of 2at%-below 5at% is formed. The gas pressure in a vacuum tank at the time of ion bombardment is held to 1X10<-2> Torr or more by the introduction of oxygen and ion bombardment is performed for 5min or more. Further, a Te-Pd metal crystal film 3 with thickness of 50-300Angstrom is provided between the optical recording layer and the substrate to improve the close adhesivenss of the optical recording layer and the substrate and an optical disk generating no sensitizing phenomenon immediately after recording and having a large C/N value can be realized.