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

  • US 20070104918A1
  • Filed: 05/10/2005
  • Published: 05/10/2007
  • Est. Priority Date: 07/21/2000
  • Status: Active Grant
First Claim
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1. An optical storage medium, comprising:

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

    a semi-reflective layer adjacent the pattern of features in said first layer, the semi-reflective layer including a metal alloy, said metal alloy including silver, copper and manganese, wherein the relationship between the amounts of silver, copper and manganese in said metal alloy is defined by AgxCuyMnz, wherein 0.9<

    x<

    0.9998, 0.0001<

    y<

    0.05 and 0.0001<

    z<

    0.05;

    a second layer having a pattern of features in at least one major surface; and

    a reflective layer adjacent the pattern of features in said second layer.

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