Ion mobility spectrometer drift chamber

Details Ion mobility spectrometer drift chamber Ion mobility spectrometer drift chamber

1992-09-16

1994-01-18

Dzierzynski, Paul M.

Radiant energy

Ionic separation or analysis

Ion beam pulsing means with detector synchronizing means

250286, 250281, 250282, H01J 4940

Patent

active

052801756

ABSTRACT:
The invention concerns a gas tight drift chamber of an ion mobility spectrometer with ring electrodes separated by insulating rings. In order to simplify the construction and to improve the mechanical and electrical stability, the ring electrodes have a z-shaped cross section, into which the insulating rings with the rectangular cross sections are fitted. Electrodes and insulating rings are connected is in a gas-tight manner. The high voltage divider consists either of individual SMD resistors which are soldered or vapor deposited to the outside or of a highly resistively coated ceramic rod.

REFERENCES:
patent: 3621242 (1971-11-01), Ferguson et al.
patent: 4378499 (1983-03-01), Spangler et al.
patent: 4390784 (1983-06-01), Browning et al.
patent: 4445038 (1984-04-01), Spangler et al.
patent: 4633083 (1986-12-01), Knorr et al.
patent: 4777363 (1988-10-01), Eicemann et al.
patent: 5053343 (1991-10-01), Vora et al.

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