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

  • US 6,841,219 B2
  • Filed: 01/23/2004
  • Issued: 01/11/2005
  • Est. Priority Date: 06/22/1998
  • Status: Expired due to Term
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; and

    a first semi-reflective coating adjacent the first layer, the first semi-reflective coating including a first metal alloy, said first metal alloy includes silver and cadmium, and wherein the relationship between the amounts of silver and cadmium is defined by AgxCdc where 0.85<

    x<

    0.9999 and 0.0001<

    c<

    0.15.

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