Low-E coated articles having zirconium inclusive dielectric...

Details Low-E coated articles having zirconium inclusive dielectric... Low-E coated articles having zirconium inclusive dielectric...

2005-10-13

2008-01-01

Blackwell, G. (Department: 1775)

Stock material or miscellaneous articles

Composite

Of quartz or glass

C428S428000, C428S697000, C428S698000, C428S699000, C428S701000, C428S702000, C428S704000

Reexamination Certificate

active

07314668

ABSTRACT:
A heat treatable coated article (e.g., vehicle windshield, IG unit, etc.) is provided with a dual-silver low-E coating. Before and/or after heat treatment (HT), the coating and/or coated article has a visible transmittance of at least 70%, more preferably at least 75%. Moreover, the coating and/or coated article is designed so as to have approximately the same color when viewed over a wide range of viewing angles. In certain embodiments, at least one contact layer (e.g., of or including NiCrOx) that contacts an infrared (IR) reflecting layer (e.g., Ag) is oxidation graded so that it progressively becomes less oxidized through its thickness as it nears the IR reflecting layer. In still other embodiments, a Si-rich silicon nitride layer(s) may be utilized to reduce haze.

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