Drift chambers

Details Drift chambers Drift chambers

1998-12-16

2000-04-18

Anderson, Bruce C.

Radiant energy

Ionic separation or analysis

Ion beam pulsing means with detector synchronizing means

250281, B01D 5944, H01J 4900

Patent

active

060518324

ABSTRACT:
A drift chamber for an ion mobility spectrometer includes an array of conductive electrodes (12, 14, 16, 18) mounted upon a common insulating substrate (10) such as a printed circuit board. The printed circuit board may also form one side of a rectangular enclosure (24), thus allowing the drift chamber to be substantially smaller than previously. The printed circuit board may have a track (60) around its periphery to which the rectangular enclosure (24) can be attached, thus creating a gas-tight seal.

REFERENCES:
patent: 2387550 (1945-10-01), Winkler
patent: 3596088 (1971-07-01), Cohen et al.
patent: 4777363 (1988-10-01), Eiceman et al.
patent: 4855595 (1989-08-01), Blanchard
patent: 5420424 (1995-05-01), Carnahan et al.
patent: 5789745 (1998-08-01), Martin et al.
patent: 5834771 (1998-11-01), Yoon et al.
International Search Report.

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