Otical record disk
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United States of America Patent
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Feb 21, 1995
Grant Date -
N/A
app pub date -
Jul 15, 1993
filing date -
Aug 28, 1992
priority date (Note) -
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status (Latency Note)
Importance
Abstract
In an optical recording disk comprising a substrate, a dye base recording layer, and a reflective layer, the recording layer contains a metal complex having a center metal, and the reflective layer is formed of an alloy of at least two metal elements wherein the total content of a metal element(s) having ionization tendency equal to or greater than the center metal is limited to 0 to 10% by weight. This minimizes reaction between metals in the recording and reflective layers, maintaining the disk reliable.
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