Methods and apparatus for controlling ion current in an ion transmission device
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United States of America Patent
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N/A
Issued Date -
Sep 8, 2005
app pub date -
Feb 22, 2005
filing date -
Feb 23, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention provides apparatus and methods for controlling ion current in an ion transmission device. An apparatus of the present invention comprises an ion source, an ion transmission device, and a controller. The ion source and the ion transmission device are in ion communication therebetween, and the controller is in signal communication with both the ion source and the ion transmission device. The ion current of the ion transmission device may be controlled by coordinating at least one of the operating parameter values of the ion source with at least one of the operating parameter values of the ion transmission device. Such coordination may result in, for example, improved ion current in the ion transmission device. Also embraced by the present invention are mass spectrometer embodiments that include or use the apparatus or methods of the present invention for controlling ion current.
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