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Explore Variable Potential Ion Guide For Mass Spectrometry, Curtiss D. Hanson

Patents (University of Northern Iowa)

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.