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Electrochromic window fabrication methods

  • US 9,958,750 B2
  • Filed: 04/25/2012
  • Issued: 05/01/2018
  • Est. Priority Date: 11/08/2010
  • Status: Active Grant
First Claim
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1. A method of fabricating an electrochromic (EC) device of an insulated glass unit (IGU) comprising:

  • 1) coating a substrate with the EC device, wherein either no patterning or only one substantially straight scribe line is used to pattern the EC device;

    2) edge deleting a perimeter portion, between about 5 mm and about 15 mm wide, of the EC device about the perimeter of the substrate;

    3) removing a portion of the EC device along one edge to form a BPE to expose the lower conducting layer; and

    4) sealing the perimeter edge of the EC device within the primary seal of the IGU, wherein the peripheral edge is located between a spacer and the substrate along with an adhesive, wherein the EC device coating is tintable to its perimeter edge which is directly between the spacer and the substrate where the primary seal is disposed.

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