Mass spectrometer

Details Mass spectrometer Mass spectrometer

1984-05-17

1985-11-12

Smith, Alfred E.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

250396R, H01J 4932

Patent

active

045530297

ABSTRACT:
A mass spectrometer has a uniform magnetic field and an electric field. Further, the spectrometer is equipped with three spaced electrostatic quadrupole lenses. The deflection angle .phi..sub.m of the beam in the magnetic field, the radius r.sub.m of the circle described by the beam in the magnetic field, the deflection angle .phi..sub.e of the beam in the electric field, and the radius r.sub.e of the circle described by the beam in the electric field are so set as to satisfy the following relations:

REFERENCES:
patent: 4418280 (1983-11-01), Matsuda
patent: 4480187 (1984-10-01), Matsuda

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