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:
Dec. 23, 1986
Filed:
Sep. 21, 1984
Applicant:
Inventors:
Hans Reule, Wendlingen, DE;
Hartmut Ganzle, Plochingen, DE;
Assignee:
International Standard Electric Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
313414 ; 313417 ; 313457 ;
Abstract
An electron-gun system is described in which the segments of the particularly long electrode neighboring the other electrodes are made of a material having a temperature expansion coefficient differing from that of the other electrodes.