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:
Jun. 16, 1998
Filed:
Jun. 17, 1996
Applicant:
Inventor:
Robert Baptist, Jarrie, FR;
Assignee:
Commissariat A L'Energie Atomique, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
315168 ; 3151691 ; 315108 ; 313336 ; 313309 ;
Abstract
A device for starting and maintaining a discharge which is placed within an enclosure. The enclosure contains a discharge zone confined by an electromagnetic field. The device has a microtip electron source located in the vicinity of the discharge zone. The electron source is polarized in such a way that it emits electrons to the discharge zone in order to start and maintain the discharge. The device can be used in a cold cathode vacuum gauge.