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Transparent substrate provided with a stack of thin layers, application to thermal insulation and/or solar control glazings

  • US 20010053439A1
  • Filed: 07/20/2001
  • Published: 12/20/2001
  • Est. Priority Date: 08/12/1993
  • Status: Active Grant
First Claim
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1. A transparent substrate having multiple thin layers comprising successively:

  • i) a first dielectric material layer;

    ii) a first layer having infrared reflection properties;

    iii) a second dielectric material layer;

    iv) a second layer having infrared reflection properties;

    v) a third dielectric material layer, wherein a thickness of said first layer having infrared reflection properties is 50 to 80% of that of said second layer having infrared reflection properties.

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