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Metal alloys for the reflective or the semi-reflective layer of an optical storage medium

  • US 20030138591A1
  • Filed: 01/15/2003
  • Published: 07/24/2003
  • Est. Priority Date: 06/22/1998
  • Status: Active Grant
First Claim
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1. An optical information recording medium, comprising:

  • a first substrate having a pattern of features in at least one major surface;

    a first reflective layer adjacent the feature pattern, the reflective layer including a metal alloy, said metal alloy including silver and copper wherein the relationship between the amount of silver and copper is defined by AgxCut where 0.90<

    x<

    0.999 and 0.0001<

    t<

    0.10.

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