Stock material or miscellaneous articles – Composite – Of polycarbonate
Patent
1976-01-19
1977-04-12
Weiffenbach, Cameron K.
Stock material or miscellaneous articles
Composite
Of polycarbonate
428413, 428430, 428432, 428441, 428472, 428480, 428500, 428539, B32B 2736
Patent
active
040176614
ABSTRACT:
An optically clear, electrically conductive, transparent coating on a substrate and a method of coating are disclosed. The coating comprises a first transparent layer deposited as TiO.sub.x on the substrate, where x preferably has a value within the range of 1.3 to 1.7, a layer of silver or gold deposited on the first layer, and a third transparent layer deposited as TiO.sub.x on the second layer, where x preferably has a value within the range of 1.3 to 1.7. The coating is deposited under vacuum in a partial pressure of oxygen on a rigid transparent substrate such as glass or a flexible plastic substrate and the resultant coated substrate used in electrically heated windows.
REFERENCES:
patent: 3698946 (1972-10-01), Kaspaul et al.
patent: 3962488 (1976-06-01), Gillery
Pollock E. Kears
PPG Industries Inc.
Uhl William J.
Weiffenbach Cameron K.
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