Gating device and driver for modulation of charged particle beams


Ontology type: sgo:Patent     


Patent Info

DATE

2006-06-27T00:00

AUTHORS

Richard N. Zare , Facundo M. Fernandez , Joel R. Kimmel , Oliver Trapp

ABSTRACT

By connecting the Bradbury-Nielson gate (BNG) directly to a driver without a transmission line, distortion of the voltage waveform experienced a the BNG are much reduced. Because the magnitude of the modulation defects grows as the applied modulation voltage is increased, Bradbury-Nielson gates with finer wire spacing such as 100 microns, and operating at 10 to 15 V, significantly better signal-to-noise ratios are achieved. HT-TOFMS data were also post processed using an exact knowledge of the modulation defects. More... »

Related SciGraph Publications

  • 1990-11. Beam deflection for temporal encoding in time-of-flight mass spectrometry in JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY
  • 2003-03. Effects of modulation defects on hadamard transform time-of-flight mass spectrometry (HT-TOFMS) in JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY
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