Optical data recording medium and material for heat-resistant protection layer for the same
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United States of America Patent
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Apr 29, 2003
Issued Date -
N/A
app pub date -
Apr 17, 2001
filing date -
Mar 8, 1995
priority date (Note) -
Expired
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Abstract
In a material for a heat-resistant protection layer and constituting one of the components of a phase variation type recording medium , at least one compound having a thermal conductivity of higher than 10 W/m.multidot.deg inclusive in a bulk state is contained. This kind of material realizes a phase variation type optical data recording medium having a high erasure ratio and allowing data to be repeatedly recorded and erased a number of times by small power even at the time of high-speed recording and erasure.
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