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Glazing panel

  • US 6,699,585 B2
  • Filed: 06/18/2001
  • Issued: 03/02/2004
  • Est. Priority Date: 12/18/1998
  • Status: Expired due to Fees
First Claim
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1. A glazing panel carrying a coating stack comprising in sequence at least:

  • a glass substrate a base antireflective layer an infra-red reflecting layer, and a top antireflective layer characterised in that at least one of the antireflective layers comprises at least one mixed nitride layer which is a mixture of Al and at least one additional material X, in which the atomic ratio X/Al is greater than or equal to 0.05 and in which X is one or more of the materials selected from the group comprising the elements of Groups 3a, 4a, 5a, 4b, 5b, 6b, 7b, 8 of the periodic table and that the infra-red reflecting layer comprises Ag as the main component and Pd, wherein the Pd content as Pd/Ag is from 0.3 to 11.1 at %.

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