The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 28, 1978
Filed:
May. 04, 1977
Applicant:
Inventor:
John Louis Vossen, Jr, Bridgewater, NJ (US);
Assignee:
RCA Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H04N / ; B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
358128 ; 1791 / ; 428 64 ; 428626 ; 428675 ;
Abstract
This invention relates to a capacitive recording means comprising a video disc with a thin conductive bilayer on the surface of the disc wherein the bilayer is a first layer of copper and a second layer of an alloy of nickel, chromium and iron which contains oxygen. An inorganic dielectric layer is disposed on the conductive layer.