Stock material or miscellaneous articles – Composite – Of quartz or glass
Reexamination Certificate
2008-07-29
2008-07-29
Blackwell, Gwendolyn (Department: 1794)
Stock material or miscellaneous articles
Composite
Of quartz or glass
C428S432000, C428S697000, C428S699000, C428S701000, C428S702000
Reexamination Certificate
active
11393727
ABSTRACT:
A coated article or layer system is provided which includes at least one infrared (IR) reflecting layer including niobium (Nb) sandwiched between at least a pair of dielectric layers. In certain embodiments, a Cr inclusive barrier layer is provided to protect the Nb inclusive IR reflecting layer, for chemical durability purposes. In other example embodiments, a protective overcoat including a zirconium oxide inclusive layer may be provided to protect the Nb inclusive IR reflecting layer for durability purposes.
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Blackwell Gwendolyn
Guardian Industries Corp.
Nixon & Vanderhye P.C.
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