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:
Jul. 21, 2015
Filed:
Jan. 04, 2013
Applicant:
Ecole Polytechnique Federale DE Lausanne, Lausanne, CH;
Inventors:
Hubert Hugues Girault, Ropraz, CH;
Baohong Liu, Shanghai, CN;
Yu Lu, Ecublens, CH;
Liang Qiao, Prilly, CH;
Romain Sartor, Chavannes-de-Bogis, CH;
Elena Tobolkina, Lausanne, CH;
Assignee:
Ecole Polytechnique Federale de Lausanne, Lausanne, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/26 (2006.01); H01J 49/16 (2006.01); H01J 49/00 (2006.01); H01J 49/04 (2006.01);
U.S. Cl.
CPC ...
H01J 49/165 (2013.01); H01J 49/0031 (2013.01); H01J 49/0431 (2013.01);
Abstract
In an electrostatic spray ionization method for spraying a liquid layer from an insulating platethe plate is arranged between two electrodes. A constant high voltage power supplyis provided and an electric circuit is used to charge and discharge locally a surface of the liquid layeron the insulating plateby applying the power supply between the electrodes