Optical information recording medium

  • US 6,391,417 B1
  • Filed: 10/16/2000
  • Issued: 05/21/2002
  • Est. Priority Date: 12/02/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. An optical information recording medium comprising:

  • a first dielectric protective layer, a recording layer provided on said first dielectric protective layer, comprising a material represented by a chemical formula of Agα

    Inβ

    Sbγ

    Teδ

    , wherein α

    , β

    , γ and

    δ

    respectively represent an atomic percent of Ag, an atomic percent of In, an atomic percent of Sb, and an atomic percent of Te, and satisfy the conditions of;

    1≦

    α

    <

    10, 1<

    β



    7, 35≦

    γ



    70, 20≦

    δ



    35, α







    =100, 4β



    δ



    0, γ







    0, and γ







    0, a second dielectric protective layer provided on said recording layer, and a light reflection and heat dissipation layer provided on said second dielectric protective layer.

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