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Continuous sampling ion mobility spectrometers and methods therefor

United States Patent

April 14, 2009
View the Complete Patent at the US Patent & Trademark Office
Idaho National Laboratory - Visit the Technology Transfer and Commercialization Office Website
An ion mobility spectrometer may include a flow channel having an inlet end and an outlet end. A deflection electrode is positioned within the flow channel so that a non-linear electric field is created between at least a portion of the flow channel and at least a portion of the deflection electrode when an electrostatic potential is placed across the deflection electrode and the flow channel. The ion mobility spectrometer also includes means for producing ions at a position upstream from the leading edge of the deflection electrode, so that ions produced thereby are deflected by the deflection electrode into the non-linear electric field. A detector positioned within the flow channel for detects ions from the non-linear electric field.
Dahl; David A. (Idaho Falls, ID), Scott; Jill R. (Idaho Falls, ID), Appelhans; Anthony D. (Idaho Falls, ID), McJunkin; Timothy R. (Idaho Falls, ID), Olson; John E. (Rigby, ID)
Battelle Energy Alliance, LLC (Idaho Falls, ID)
11/ 610,609
December 14, 2006
GOVERNMENT RIGHTS This invention was made with United States Government support under Contract No. DE-AC07-05ID14517 awarded by the United States Department of Energy. The United States Government has certain rights in the invention.