Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
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United States of America Patent
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Mar 30, 2010
Grant Date -
May 15, 2008
app pub date -
Nov 20, 2007
filing date -
Jul 21, 2000
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Abstract
A silver-based alloy thin film is provided for the semi-reflective coating layer of optical discs. Alloy additions to silver include zinc, lithium, germanium, indium, tin, aluminum, and silicon. These alloys have moderate to high reflectivity and reasonable corrosion resistance in the ambient environment.
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