Elemental semiconductor mirror for vehicles and method for making same

  • US 6,286,965 B1
  • Filed: 05/08/1998
  • Issued: 09/11/2001
  • Est. Priority Date: 05/15/1991
  • Status: Expired due to Fees
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First Claim
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1. A mirror for vehicles comprising:

  • a substrate having front and rear surfaces;

    a thin layer of an elemental semiconductor on one surface of said substrate, said semiconductor coating layer having an index of refraction of at least 3 and an optical thickness of at least about 275 angstroms;

    said thin layer providing said mirror with a luminous light reflectance of at least 30% of the light incident thereon from the direction of said front surface of said substrate, wherein said substrate is transparent and includes a light absorbing coating on said rear surface which absorbs light transmitted by said semiconductor thin layer and substrate.

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