Optical recording medium and method of its production
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United States of America Patent
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Jul 23, 1991
Grant Date -
N/A
app pub date -
Oct 20, 1989
filing date -
Oct 28, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed in this invention are optical recording media comprising a substrate, a recording layer formed on the substrate and a protective layer formed on the recording layer, in which the recording layer is irradiated with a beam of energy, thereby causing the change of optical properties at the irradiated portions on the recording layer so as to record information, wherein said recording layer is a thin film containing Te and N, and further Pd, if necessary, and producing methods thereof.
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