Optical disc
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United States of America Patent
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-
Jan 12, 1988
Issued Date -
N/A
app pub date -
Mar 30, 1987
filing date -
Oct 9, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical disc comprises a substrate formed from a polymer being capable of the anisotropic melt phase and being melt-processable, a recording layer having pits and grooves, formed on the substrate, and a metal coating layer, formed on the recording layer.
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