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:
Oct. 03, 1989
Filed:
Oct. 06, 1987
Applicant:
Inventor:
Vujo I Miljevic, Belgrade, YU;
Assignee:
The Institute for Atomic Physics, Belgrade, YU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
2504 / ; 250424 ; 250426 ; 31511181 ;
Abstract
An ion-electron source based on a new type of gas discharge in a hollow anode is presented. A small surface of the exit aperture and a high density of the current enable high brightness of the source; high efficiency and simple construction make possible low production price and long lifetime of the source.