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. 13, 1990
Filed:
Jun. 12, 1989
Applicant:
Inventors:
Peter Rodhammer, Reutte, AT;
Karlheinz Kailer, Breitenwang, AT;
Assignee:
Schwarzkopf Development Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
378144 ; 378129 ;
Abstract
Rotary graphite anode for use in X-ray tubes comprising a basic body consisting of graphite and a high melting alloy and having a tungsten alloy focal track. The basic body is secured to a graphite substrate. The graphite substrate is coated by a layer of carbon formed by decomposition of hydrocarbon gases in an activated d.c. voltage discharge.