Coated article with high visible transmission and low emissivity
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Abstract
A coated article that can be used in applications such as insulating glass (IG) units, so that resulting IG units can achieve high visible transmission of at least 70% (e.g., when using clear glass substrates from 1.0 to 3.5 mm thick), combined with at least one of: (a) SHGC no greater than about 0.45, more preferably no greater than about 0.40; (b) SC no greater than about 0.49, more preferably no greater than about 0.46; (c) chemical and/or mechanical durability; (d) neutral transmissive color such that transmissive a* is from −5.0 to 0 (more preferably from −3.5 to −1.5), and transmissive b* is from −2.0 to 4.0 (more preferably from 1.0 to 3.0); and (e) neutral reflective color from the exterior of the IG unit (i.e., Rg/Rout) such that reflective a* is from −3.0 to 2.0 (more preferably from −2.0 to 0.5), and reflective b* is from −5.0 to 1.0 (more preferably from −4.0 to −1.0). In certain example non-limiting embodiments, coated articles herein comprise: substrate/TiOx/ZnOx/Ag/NiCrOxSnOx/ZnOxAg/NiCrOxSnOxSixNy.
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Citations
42 Claims
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1-40. -40. (canceled)
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41. A method of making a coated article including a coating supported by a glass substrate, the method comprising:
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providing a glass substrate;
using at least sputtering in forming at least the following layers on the glass substrate;
a layer comprising zinc oxide;
a layer comprising silver over and contacting the layer comprising zinc oxide; and
a layer comprising nickel chromium oxide over and contacting the layer comprising silver; and
wherein the coating has a sheet resistance (Rs) of no greater than 5.0 ohms/square. - View Dependent Claims (42)
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Specification