Heat treatable low-e coated articles and methods of making same

Details Heat treatable low-e coated articles and methods of making same Heat treatable low-e coated articles and methods of making same

C - Chemistry, Metallurgy

03

C

C03C 17/36 (2006.01) B32B 17/00 (2006.01) C23C 14/16 (2006.01) C23C 14/34 (2006.01)

Patent

CA 2626769

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 NiCrO x) 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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