H - Electricity – 01 – J
Patent
H - Electricity
01
J
358/9
H01J 49/42 (2006.01)
Patent
CA 1266924
ABSTRACT A quadrupole mass spectrometer in which a sample to be analyzed is ionized in a two or three dimensional electro- static trapping field, and the ions in the range of the mass-to-charge ratios to be analyzed are excited at their characteristic frequencies of motion. The excited ions generate image currents which are detected and processed to provide a mass spectrum.
548212
Fies William J. Jr.
Syka John E.p.
Finnigan Corporation
Smart & Biggar
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