Radiant energy – Ionic separation or analysis – Static field-type ion path-bending selecting means
Patent
1997-08-18
2000-03-28
Berman, Jack I.
Radiant energy
Ionic separation or analysis
Static field-type ion path-bending selecting means
250298, 250288, 250396ML, H01J 4930
Patent
active
060434880
ABSTRACT:
A system for separating certain ions from an ion beam in a mass spectrometer. A magnetic or electrostatic field is applied at an angle to the ion beam, causing the ions to disperse according to their mass to charge ratio. The ions are dispersed enough to allow certain ions to be blocked and removed from the beam using a physical stop. A subsequent plurality of fields is then applied to reform the beam and adjust its direction and dispersion.
REFERENCES:
patent: 3641339 (1972-02-01), McCormick
patent: 4047030 (1977-09-01), Lobach
patent: 4174479 (1979-11-01), Tuithof et al.
patent: 4480187 (1984-10-01), Matsuda
patent: 4727249 (1988-02-01), Bateman et al.
Bahatt Dar
Welkie David G.
Aker David
Berman Jack I.
Gamberdell, Jr. Joseph V.
The Perkin-Elmer Corporation
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