Method of providing a transparent layer on a substrate

Details Method of providing a transparent layer on a substrate Method of providing a transparent layer on a substrate

1984-09-04

1988-01-05

Niebling, John F.

Stock material or miscellaneous articles

Composite

Of inorganic material

204 383, 204 42, 428432, 428469, C23C 2800, C25D 1104

Patent

active

047174579

ABSTRACT:
A method of providing a transparent layer of aluminum oxide or a layer stack of aluminum oxide and one or more other metal oxides on a substrate by providing the Al and optionally the other metals on the substrate and then oxidizing the assembly electrolytically is shown in which a conductive layer of tin oxide and indium oxide and/or cadmium oxide, if necessary doped to increase the conductivity, is provided between the Al and the substrate. As a result of this the Al is converted completely into oxide so that an optical transmission is obtained which is as high as possible.

REFERENCES:
patent: 3882000 (1975-05-01), Swartz et al.
patent: 3941630 (1976-03-01), Larrabee
patent: 3961962 (1976-06-01), Sato
patent: 3982265 (1976-09-01), Johnston, Jr.
patent: 4108736 (1978-08-01), Rigo et al.
patent: 4190321 (1980-02-01), Dorer et al.

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