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Microfabricated Quadrupole Ion Trap for Mass Spectrometer Applications

Journal Article · · Physical Review Letters
 [1]; ;  [2]; ; ;  [3];  [4]
  1. University of Arizona, Tucson, Arizona 85721 (United States)
  2. Lucent Technologies, Bell Laboratories, Murray Hill, New Jersey 07974 (United States)
  3. Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831 (United States)
  4. University of North Carolina, Chapel Hill, North Carolina 27599 (United States)

An array of miniaturized cylindrical quadrupole ion traps, with a radius of 20 {mu}m, is fabricated using silicon micromachining using phosphorus doped polysilicon and silicon dioxide for the purpose of creating a mass spectrometer on a chip. We have operated the array for mass-selective ion ejection and mass analysis using Xe ions at a pressure of 10{sup -4} Torr. The scaling rules for the ion trap in relation to operating pressure, voltage, and frequency are examined.

OSTI ID:
20777112
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 12 Vol. 96; ISSN 0031-9007; ISSN PRLTAO
Country of Publication:
United States
Language:
English