Ion mobility separation device
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United States of America Patent
Stats
-
Feb 13, 2018
Issued Date -
N/A
app pub date -
Jan 23, 2017
filing date -
Dec 23, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An ion mobility separator and a method of separating ions according to their ion mobility are disclosed. An RF ion guide is provided having a plurality of electrodes that are arranged to form an ion guiding path that extends in a closed loop. RF voltages are supplied to at least some of the electrodes in order to confine ions within said ion guiding path. A DC voltage gradient is maintained along at least a portion of a longitudinal axis of the ion guide, wherein the voltage gradient urges ions to undergo one or more cycles around the ion guide and thus causes the ions to separate according to their ion mobility as the ions pass along the ion guide. The closed loop ion guide enables the resolution of the ion mobility separator to be increased without necessitating a large device, since the drift length through the device can be increased by causing the ions to undergo multiple cycles around the device.
First Claim
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International Classification(s)
- 2017 Application Filing Year
- H01J Class
- 2316 Applications Filed
- 1735 Patents Issued To-Date
- 74.92 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- H01J Class
- 0 % this patent is cited more than
- 7 Age
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