Vehicular rearview mirror elements and assemblies incorporating these elements

  • US 7,602,542 B2
  • Filed: 06/29/2006
  • Issued: 10/13/2009
  • Est. Priority Date: 09/30/2002
  • Status: Active Grant
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First Claim
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1. A variable reflectance mirror element, comprising:

  • a first substantially transparent substrate comprising a first surface and a second surface and an optical thin-film band of material disposed circumferentially at a periphery area of said first substrate so as to match a spectral distribution of ambient light reflected from the periphery area of the first substrate with a spectral distribution of ambient light reflected from inside the periphery area of the first substrate;

    a second substantially transparent substrate comprising a third surface and a fourth surface; and

    a layer of ruthenium proximate at least one surface selected from the group consisting of said first surface, said second surface, said third surface, and said fourth surface.

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