Recordable optical recording media
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United States of America Patent
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Jan 25, 2011
Grant Date -
Mar 13, 2008
app pub date -
Aug 30, 2007
filing date -
Aug 30, 2006
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Abstract
An optical recording medium is provided with inorganic bi-layer films that were prepared by magnetic sputtering. A first recording layer containing an element selected from Si or Ge, and a second recording layer contacts with the first recording layer and containing a primary component selected from Ta, Ni or Mo. This optical media can record information by way of microscopic structure changing of bi-layer recording films after laser irradiation.
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