Mass spectrometer of a quadrupole electrode type comprising a di

Details Mass spectrometer of a quadrupole electrode type comprising a di Mass spectrometer of a quadrupole electrode type comprising a di

1985-05-31

1987-10-13

Anderson, Bruce C.

Radiant energy

Ionic separation or analysis

Cyclically varying ion selecting field means

250290, B01D 5944

Patent

active

047000694

ABSTRACT:
In a mass spectrometer, a quadrupole electrode comprises four electrodes arranged at a predetermined interval about a device axis along which the mass spectrometer successively comprises an ionized gas source, the quadrupole electrode, and a detector for detecting the gas particles separated in reference to mass-to-charge ratio. At least one of the electrodes comprises a plurality of electrode elements which are divided along the device axis. Each of the electrode elements has a longitudinal axis. The electrode elements are mechanically connected by a mechanically connecting member so that the longitudinal axis are coincident with one another and parallel to the device axis. The electrode elements are electrically connected by an electrically connecting member.

REFERENCES:
patent: 3147445 (1964-09-01), Wuerker et al.
patent: 3371204 (1968-02-01), Brubaker
patent: 3410997 (1968-11-01), Brubaker
patent: 3553451 (1971-01-01), Uthe
patent: 4032782 (1977-06-01), Smith et al.
patent: 4283626 (1981-08-01), Siegel

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