Device for generating an atomic cloud

Details Device for generating an atomic cloud Device for generating an atomic cloud

1978-02-14

1979-08-14

Dixon, Harold A.

Radiant energy

Ion generation

Arc type

250373, 250423R, H01J 2700

Patent

active

041646541

ABSTRACT:
This invention relates to a device for generating an atomic cloud, the device having a housing in which is housed a cathode and an anode, and with suitable passages or flow directing members to direct flow of a gas outwardly away from or past the cathode discharge surface, so that when a suitable potential is applied across the anode and the cathode a glow discharge occurs between the anode and the cathode. The flow of gas preferably draws atoms that are ejected from the cathode discharge surface away from the cathode to a region beyond the cathode glow region, thereby to generate an atomic cloud having a low value of inherent radiation. The device is further incorporated with an apparatus for spectro-scopically analyzing a substance by fluorescent techniques.

REFERENCES:
patent: 2636990 (1953-04-01), Gow
patent: 2785311 (1957-03-01), Lawrence
patent: 2806161 (1957-09-01), Foster
patent: 3265890 (1966-08-01), Briggs
patent: 3409529 (1968-11-01), Chopra et al.
patent: 3457407 (1969-07-01), Goldberg
patent: 3849656 (1974-11-01), Wallington

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