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. 10, 1984
Filed:
Jul. 22, 1981
Applicant:
Inventors:
Samuel B Deal, Lancaster, PA (US);
Donald W Bartch, Wrightsville, PA (US);
Assignee:
RCA Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B05D / ; B05D / ; H01J / ;
U.S. Cl.
CPC ...
427 64 ; 427106 ;
Abstract
In a method of fabricating a cathode-ray tube, a layer comprising graphite, iron oxide, amorphous carbon and silicate binder is deposited on at least a portion of the interior surface of an envelope, the coating is baked in air until the amorphous carbon is substantially entirely gasified, and then the envelope is evacuated of gases and sealed.