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Ion funnel device

United States Patent

9,824,874
November 21, 2017
View the Complete Patent at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
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.
Ibrahim; Yehia M. (Richland, WA), Chen; Tsung-Chi (Richland, WA), Harrer; Marques B. (Richland, WA), Tang; Keqi (Richland, WA), Smith; Richard D. (Richland, WA)
Battelle Memorial Institute (Richland, WA)
14/ 733,517
20150357174
June 8, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government support under Contract DE-AC05-76RL01830 awarded by the U.S. Department of Energy and Grant R01-GM099549 awarded by the National Institutes of Health. The Government has certain rights in the invention.