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:
Nov. 21, 2017
Filed:
Jun. 08, 2015
Applicant:
Battelle Memorial Institute, Richland, WA (US);
Inventors:
Yehia M. Ibrahim, Richland, WA (US);
Tsung-Chi Chen, Richland, WA (US);
Marques B. Harrer, Richland, WA (US);
Keqi Tang, Richland, WA (US);
Richard D. Smith, Richland, WA (US);
Assignee:
Battelle Memorial Institute, Richland, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/06 (2006.01);
U.S. Cl.
CPC ...
H01J 49/066 (2013.01);
Abstract
An ion funnel device is disclosed. A first pair of electrodes is positioned in a first direction. A second pair of electrodes is positioned in a second direction. The device includes an RF voltage source and a DC voltage source. A RF voltage with a superimposed DC voltage gradient is applied to the first pair of electrodes, and a DC voltage gradient is applied to the second pair of electrodes.