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Durable low-emissivity solar control thin film coating

  • US 5,563,734 A
  • Filed: 11/10/1994
  • Issued: 10/08/1996
  • Est. Priority Date: 04/28/1993
  • Status: Expired due to Fees
First Claim
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1. A thin film interference filter comprising:

  • a transparent substrate;

    a first substantially transparent dielectric layer comprising titanium dioxide;

    a first metal precoat layer wherein said first metal precoat layer comprises a material selected from the group consisting of the combination of nickel with chromium and the combination of nickel with chromium nitride;

    a partially reflective metal layer;

    a second metal precoat layer comprising a mixture of nickel metal and chromium nitride; and

    a second substantially transparent dielectric layer.

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