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Method for reducing haze in tin oxide transparent conductive coatings

  • US 5,900,275 A
  • Filed: 07/15/1992
  • Issued: 05/04/1999
  • Est. Priority Date: 07/15/1992
  • Status: Expired due to Fees
First Claim
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1. A method for reducing the haze in a conductive tin oxide film on a substrate comprising:

  • providing a substrate having a conductive tin oxide surface film;

    providing a solution of a metallic oxide precursor in a suitable carrier solvent;

    coating said conductive tin oxide surface with said solution by a wet chemical solution deposition process to form a coating of a desired thickness; and

    removing said solvent and converting said precursor to a solid-state metal oxide film overlying said tin oxide surface;

    said tin oxide surface having a sheet resistance of less than or equal to 20 ohms/square;

    said metallic oxide precursor being a metal-peroxy acid ester.

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