Video disc with a conductive layer having an oxygen content grad

Details Video disc with a conductive layer having an oxygen content grad Video disc with a conductive layer having an oxygen content grad

1977-05-04

1978-02-28

Van Balen, William J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

1791001B, 428 64, 428626, 428675, H04N 128, B32B 302, B32B 1508, B32B 1520

Patent

active

040770516

ABSTRACT:
This invention pertains to a video disc having a conductive bilayer thereon of a copper layer and a nickel/chromium/iron alloy layer wherein the alloy layer contains oxygen which decreases in content from the copper-alloy interface to an alloy-dielectric interface.

REFERENCES:
patent: 3842194 (1974-10-01), Clemens
patent: 3842217 (1974-10-01), Clemens
patent: 3843399 (1974-10-01), Kaplan et al.
patent: 3901994 (1975-08-01), Mehalso et al.
patent: 3909517 (1975-09-01), Clemens
patent: 3982066 (1976-09-01), Nyman
patent: 3984907 (1976-10-01), Vossen, Jr. et al.
patent: 4004080 (1977-01-01), Vossen, Jr. et al.

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