Variable potential ion guide for mass spectrometry
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United States of America Patent
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Dec 2, 2003
Grant Date -
Dec 26, 2002
app pub date -
Jun 20, 2001
filing date -
Jun 20, 2001
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Abstract
A variable potential ion guide for placement within the reflectron of a time-of-flight mass spectrometer includes an elongate resistive electrode placed axially within the reflectron. The electrode may be a non-conductive monofilament coated with a resistive polymer coating, with one end of the electrode coupled to a high potential source, the electrode carrying a potential gradient along its length.
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