Spectrally selective mirror and method for making same

  • US 5,179,471 A
  • Filed: 10/25/1990
  • Issued: 01/12/1993
  • Est. Priority Date: 10/25/1990
  • Status: Expired due to Fees
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First Claim
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1. A spectrally selective, glare-reducing mirror for vehicles comprising:

  • a substrate having front and rear surfaces; and

    a multi-layer coating on said substrate including a thin layer of transparent, dielectric material and a very thin layer of metal, at least one of said metal and dielectric layers being applied directly to said substrate;

    said metal layer having a thickness within the range of between about 25 and 150 angstroms to provide substantial transparency along with significant reflectivity;

    said layer of dielectric material being positioned closer to a source of incident light to be reflected by said mirror than is said metal layer;

    whereby said mirror provides desired luminous reflectance at a level which reduces reflected glare while providing appreciable spectral selectivity in the reflected light.

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