Method and device for the transport of ions in vacuum

Details Method and device for the transport of ions in vacuum Method and device for the transport of ions in vacuum

1996-05-09

1998-01-13

Anderson, Bruce

Radiant energy

Ionic separation or analysis

Cyclically varying ion selecting field means

250282, 250396R, B01D 5944, H01J 4900, H01J 3710

Patent

active

057082685

ABSTRACT:
The invention relates to methods and devices for the efficient and loss-free transfer of ions in moderate vacuum from a first location (a source) to a second location (a user).
The invention consists of an arrangement, reaching from the first location to the second, of five pole rods (a pentapole) to which a five-phase radio frequency (RF) voltage is applied.

REFERENCES:
patent: 4861988 (1989-08-01), Henion et al.
patent: 4990777 (1991-02-01), Hurst et al.
patent: 5572035 (1996-11-01), Franzen
patent: 5576540 (1996-11-01), Jolliffe

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