Electrode system for multipoles and especially for multipole or

Details Electrode system for multipoles and especially for multipole or Electrode system for multipoles and especially for multipole or

1977-05-23

1978-09-26

Smith, Alfred E.

Radiant energy

Ionic separation or analysis

Cyclically varying ion selecting field means

250281, B01D 5944, H01J 3934

Patent

active

041173210

ABSTRACT:
Pole rod electrodes especially for quadrupole mass spectrometers are seated in a pipe of thermally moldable material formed with a number of intersecting adjacent inside flat surfaces in precise relationship with the pole rods parallel to one another within a tolerance of a few micrometers arranged to insure a resolution within the range around the mass number 1000 so that it is possible to separate completely adjacent integral mass numbers, the rods being capable of removal.

REFERENCES:
patent: 2939952 (1960-06-01), Paul et al.
patent: 3105899 (1963-10-01), Gunther et al.
patent: 3143647 (1964-08-01), Gunther et al.
patent: 3280326 (1966-10-01), Gunter
patent: 3328146 (1967-06-01), Hanlein
patent: 3840742 (1974-10-01), Ball

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