×

High performance, durable, low-E glass

  • US 5,344,718 A
  • Filed: 04/30/1992
  • Issued: 09/06/1994
  • Est. Priority Date: 04/30/1992
  • Status: Expired due to Term
First Claim
Patent Images

1. A sputter-coated glass article comprising a glass substrate having thereon from the glass outwardly, a layer system comprising:

  • (a) an undercoat layer of Si3 N4,(b) a layer of nickel or nichrome,(c) a layer of silver,(d) a layer of nickel or nichrome, and(e) an overcoat layer of Si3 N4 ;

    and, when said glass substrate has a thickness of about 2 mm-6 mm, said coated glass has a visible transmittance of at least about 78%, a normal emissivity (En) of less than about 0.12 and a hemispherical emissivity (Eh) of less than about 0.16.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×