Information recording medium
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 18, 1991
Grant Date -
N/A
app pub date -
Oct 4, 1989
filing date -
Oct 6, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An information recording medium comprising a substrate, and a recording layer formed thereon which comprises (a) a carbon-based material and (b) an optically reversible material whose optical characteristics can be reversibly changed, with the thermal decomposition temperature of the carbon-based material being higher than the melting point of the optically reversible material.
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