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:
Mar. 02, 1982
Filed:
May. 12, 1980
Applicant:
Inventor:
Jerg B Jergenson, Santa Barbara, CA (US);
Assignee:
Hughes Aircraft Company, Culver City, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
31511181 ; 2504 / ; 313232 ; 3133621 ;
Abstract
Liquid metal ion source has cylindrical ceramic tube 12 embraced by strip heater 20 which is held in place by ceramic bushing 26. Apex 28 of the strip heater contains the ion source fuel metal and is pierced by needle 34 having sharp tip 36. Upon heating and electrical bias with respect to a coaxial extraction electrode, tip 36 emits ions.