Soil-resistant coating for glass surfaces
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United States of America Patent
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Nov 15, 2005
Grant Date -
N/A
app pub date -
Feb 2, 1999
filing date -
Dec 21, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A glass article which has a water-sheeting coating and a method of applying coatings to opposed sides of a substrate are described. In one embodiment, a glass sheet is provided bearing a sputtered water-sheeting coating comprising silica on an exterior surface and bearing a reflective coating on an interior surface. The interior surface of a sheet of glass can be coated with a reflective coating by sputtering, in sequence, at least one dielectric layer, at least one metal layer, and at least one dielectric layer. The exterior surface of the glass can be coated with a water-sheeting coating by sputtering silica directly onto the exterior surface of the sheet of glass. Both the reflective coating and the water-sheeting coating can be applied during the same pass through the same sputter coating apparatus.
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