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, 2017
Filed:
Apr. 14, 2015
Applicant:
Ecole Polytechnique, Palaiseau, FR;
Inventors:
Dmytro Rafalskyi, Orsay, FR;
Ane Aanesland, Paris, FR;
Assignees:
ECOLE POLYTECHNIQUE, Palaiseau, FR;
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
B64G 1/40 (2006.01); F03H 1/00 (2006.01); H01J 27/16 (2006.01);
U.S. Cl.
CPC ...
B64G 1/405 (2013.01); F03H 1/0025 (2013.01); F03H 1/0087 (2013.01); H01J 27/16 (2013.01);
Abstract
A device for forming a quasi-neutral ion-electron beam, including: a chamber; a set of means for forming an ion-electron plasma in the chamber; and means for extracting and accelerating charged particles from the plasma out of the chamber. The particles are capable of forming the beam and the extraction and acceleration means that include a set of at least two grids located at one end of the chamber.