Mass analysis system with low pressure differential mobility spectrometer

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United States of America Patent

PATENT NO 9305762
APP PUB NO 20130092834A1
SERIAL NO

13693837

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Abstract

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A mass analysis system including a low pressure dissociation region and a differential mobility spectrometer. The differential mobility spectrometer including at least one pair of filter electrodes defining an ion flow path where the filter electrodes generate an electric field for passing through a selected portion of the sample ions based on the mobility characteristics of the sample ions. The differential mobility spectrometer also includes a voltage source that provides DC and RF voltages to at least one of the filter electrodes to generate the electric field, an ion inlet that receives sample ions that have passed through the low pressure dissociation region, and an ion outlet that outputs the selected portion of the sample ions. A mass spectrometer receives some or all of the selected portion of the sample ions.

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Patent Owner(s)

Patent OwnerAddress
DH TECHNOLOGIES DEVELOPMENT PTE LTD80 RAFFLES PLACE UOB PLAZA C/O KATTER WONG SINGAPORE 048624

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Covey, Thomas R Richmond Hill, CA 83 959
Schneider, Bradley B Bradford, CA 41 194

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