Radiant energy – Ionic separation or analysis – Static field-type ion path-bending selecting means
Patent
1986-04-07
1987-06-09
Church, Craig E.
Radiant energy
Ionic separation or analysis
Static field-type ion path-bending selecting means
250295, 250294, 250296, H01J 4430
Patent
active
046722041
ABSTRACT:
Mass spectrometer having an ion source, acceleration means able to impart to the ions an energy essentially dependent on their electric charge, means for producing in a sector a magnetic field orthogonal to the plane of the trajectory of the ions in order to inwardly curve said trajectory and means for detecting the ions. At the inlet of the magnetic sector are provided electrostatic means able to modify the tangential velocity of the ions and consequently their energy, in such a way that ions with different masses can, at different times, follow the same inwardly curved trajectory in the magnetic sector.
REFERENCES:
patent: 3231735 (1966-01-01), Peters
patent: 3866042 (1975-02-01), Vastel
Instruments and Experimental Techniques, No. 1, Jan.-Feb. 1968, New York (US) V. I. Karataev: "Chromatic Aberration in a Mass . . . ".
Instruments and Experimental Techniques, No. 3, May-Jun. 1962, New York (US) N. I. Ionov et al.: "Double Magnetic Mass Spectrometer . . . ".
The Review of Scientific Instruments, vol. 42, No. 4, Apr. 1971, New York (US) H. Balsiger et al.: "A Mass Spectrometer for the . . . ".
Space Science Instrumentation, vol. 2, No. 4, Sep. 1976, Boulder (US) H. Balsiger et al.: "A Satellite-born Ion Mass Spectrometer . . . ".
Journal of Mass Spectrometry and Ion Physics, vol. 8, No. 1, Jan. 1972, Amsterdam (NL) A. J. H. Boermoom.: "Ion Optics of the Electric . . . ".
Chaintreau Marcel
Dennebouy Roger
Lorin Jean-Claude
Slodzian Georges
"Thomson-CSF"
Berman Jack I.
Church Craig E.
Plottel Roland
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