Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 7, 2013
Patent Application Number
13094592
Date Filed
April 26, 2011
Patent Primary Examiner
Patent abstract
An ion mobility spectrometer has a pair of electrodes and midway along the drift chamber. A high field is applied between the electrodes and sufficient to modify ions in the region of thee electrodes such that they move at a different rate towards the collector plate. This is used to modify the time of flight of selected ions or ion clusters and enable identification of ambiguous peaks on the IMS spectrum.
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