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:
Jan. 18, 1977
Filed:
Jul. 25, 1975
Applicant:
Inventors:
John L Vossen, Jr, Bridgewater, NJ (US);
Frederick Russell Nyman, Carmel, IN (US);
Dennis Glendon Fisher, Titusville, NJ (US);
George Frederick Nichols, Oaklandon, IN (US);
Assignee:
RCA Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; B32B / ;
U.S. Cl.
CPC ...
358128 ; 1791 / ; 428 65 ; 428461 ; 75171 ; 7512 / ;
Abstract
An improved metal coating for a video disc of a grooved polymer disc, a conductive metal coating thereon and a dielectric coating on said metal coating, wherein said metal coating comprises a film of a pseudoalloy composition of an alloy of nickel and chromium and, optionally, iron, containing from about 10 to about 25 atomic percent of oxygen admixed with from about 10 to 15 atomic percent of copper.