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Corrosion resistant reflective articles

  • US 5,240,776 A
  • Filed: 11/01/1991
  • Issued: 08/31/1993
  • Est. Priority Date: 11/03/1990
  • Status: Expired due to Term
First Claim
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1. A reflective article, comprising:

  • a glass substrate; and

    a reflective metal coating deposited on the glass substrate comprising a reflective layer of silver and having a surface stratum which has a population of tin atoms which is augmented as compared with the population of tin atoms (if any) in an underlying subsurface stratum by at least one tin atom per hundred metal atoms thereby conferring on the reflective metal coating an enhanced resistance to corrosion.

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