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:
Jul. 27, 2010
Filed:
Feb. 22, 2007
Applicants:
Cris Keith Kroneberger, Fairfield, CA (US);
Ping Chang, Danville, CA (US);
Inventors:
Cris Keith Kroneberger, Fairfield, CA (US);
Ping Chang, Danville, CA (US);
Assignee:
Ferrotec (USA) Corporation, Bedford, NH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 29/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electron beam gun with an arched shaped beam former as an integral part of a massive cathode block which conducts heat away from the beam former and with a filament mounted to the cathode block for improved alignment.