Ion mobility sensor system

Xu, Jun; Watson, David B.; Whitten, William B.

Ion mobility sensor system

Patent · Tue Jan 22 04:00:00 EST 2013

OSTI ID:1082724

Xu, Jun; Watson, David B.; Whitten, William B.

An ion mobility sensor system including an ion mobility spectrometer and a differential mobility spectrometer coupled to the ion mobility spectrometer. The ion mobility spectrometer has a first chamber having first end and a second end extending along a first direction, and a first electrode system that generates a constant electric field parallel to the first direction. The differential mobility spectrometer includes a second chamber having a third end and a fourth end configured such that a fluid may flow in a second direction from the third end to the fourth end, and a second electrode system that generates an asymmetric electric field within an interior of the second chamber. Additionally, the ion mobility spectrometer and the differential mobility spectrometer form an interface region. Also, the first end and the third end are positioned facing one another so that the constant electric field enters the third end and overlaps the fluid flowing in the second direction.

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Research Organization:: ORO (Oak Ridge Office, Oak Ridge, TN (United States))

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-00OR22725

Assignee:: UT-Battelle, LLC (Oak Ridge, TN)

Patent Number(s):: 8,357,893

Application Number:: 12/586,619

OSTI ID:: 1082724

Country of Publication:: United States

Language:: English

References (15)

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