Magnetic field type mass spectrometer

Details Magnetic field type mass spectrometer Magnetic field type mass spectrometer

1995-12-26

1998-02-24

Anderson, Bruce

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

250298, B01D 5944, H01J 4900

Patent

active

057214280

ABSTRACT:
A magnetic field type mass spectrometer having an ion source, an ion accelerator, a mass separation magnet forming an analyzing part which changes the trajectory of ions by a magnetic field of the mass separation magnet, and a current detector, wherein the mass separation magnet is installed so that ions move along a trajectory which turns several times in the analyzing part, and repelling electrodes are installed at turning points of the ions, whereby ions generated from the ion source are caused to move along a trajectory which turns several times in the analyzing part. Mass separation is carried out along each trajectory, which provides high resolution.

REFERENCES:
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patent: 3126477 (1964-03-01), Noda et al.
patent: 3500042 (1970-03-01), Castaing et al.
patent: 3585383 (1971-06-01), Castaing et al.
2107A Nuclear Instruments & Methods in Physics Research A258 (1987) Aug. 15, No. 3, Amsterdam, The Netherlands, "The Electrostatic Systems Used for the Multipassage Magnetic Mass Spectrometers", Berger et al, pp. 335-338.
2001A Revue de Physique Appliquee, vol. 14, No. 8 (1979.Aug.), "Les aberrations des miroirs bicylindres et leurs effets sur les proprietes des spectrometres de masse magnetiques a multiples passages", Berger et al, pp. 783-789.
Berger et al., Nuc. Instruments and Methods in Physics Res., A258, pp. 335-338, "The Electrotatic Systems Used for the Multipassage Magnetic Mass Spectrometers", (1987).
Berger et al, Revue De Physique Applique, "Les aberrations des miroirs bicylindres et leurs effets sur les proprietes des spectrometres de masse magnetiques a multiples passages", vol. 14, No. 8, 1979.

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