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:
Apr. 21, 2015
Filed:
Feb. 01, 2008
Applicants:
Philippe Maurin-perrier, St Marcellin en Forez, FR;
Hervé Chavanne, St Just St Rambert, FR;
Laure Poigt, La Talaudiere, FR;
Inventors:
Philippe Maurin-Perrier, St Marcellin en Forez, FR;
Hervé Chavanne, St Just St Rambert, FR;
Laure Poigt, La Talaudiere, FR;
Assignee:
H.E.F., Andrezieux Boutheon, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C 14/00 (2006.01); C25B 11/00 (2006.01); C25B 13/00 (2006.01); H05H 1/24 (2006.01); H01J 37/32 (2006.01);
U.S. Cl.
CPC ...
H05H 1/24 (2013.01); H01J 37/32596 (2013.01);
Abstract
A device for generating a cold plasma in a vacuum enclosure includes a cathode body having hollow chambers for confining the plasma. Magnets are placed around each hollow chamber for creating a magnetic field forcing electrons to rotate about the field lines. The cathode body cooperates with an element for circulating a coolant to extract the heat generated by an intense ion bombardment at each of the hollow chambers.