Optical data storage media with enhanced contrast
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United States of America Patent
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May 6, 2008
Grant Date -
Jul 18, 2002
app pub date -
May 11, 2001
filing date -
Jan 16, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is an optical data storage medium with enhanced contrast. The optical data storage medium includes a substrate having oppositely facing first and second surfaces. A first metal/alloy layer is formed overlaying the first surface of the substrate. The first metal/alloy layer is formed from tin, antimony and element selected from the group consisting of indium, germanium, aluminum, and zinc. After the first metal/alloy layer is formed, a first dielectric layer is formed overlaying the first metal/alloy layer. This dielectric layer is formed from silicon oxynitride. The first metal/alloy layer is positioned between the substrate and the first dielectric layer.
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