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. 09, 2001
Filed:
Feb. 29, 2000
Applicant:
Inventors:
Michel Moisan, Outremont, CA;
Zenon Zakrzewski, Gdansk, PL;
Roxane Etemadi, Argenteuil, FR;
Jean-Christophe Rostaing, Buc, FR;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C 1/600 ; H05H 1/00 ;
U.S. Cl.
CPC ...
C23C 1/600 ; H05H 1/00 ;
Abstract
The invention concerns a device for exciting a gas comprising a hollow structure (,) forming a waveguide to be connected to a microwave generator and means for circulating a gas through the structure. The gas circulating means comprise an assembly of at least two hollow tubes (,) made of dielectric material respectively passing through said structure (,) in the zones wherein the amplitude of the electric field associated with the incident wave is substantially the same.