Non-uniform dynode mesh for an electron discharge tube

Details Non-uniform dynode mesh for an electron discharge tube Non-uniform dynode mesh for an electron discharge tube

1977-10-03

1978-09-05

Segal, Robert

Electric lamp and discharge devices

Geiger-mueller type

313105R, 250207, H01J 3900

Patent

active

041123263

ABSTRACT:
An electron discharge tube comprising a plenum having therein a photocathode, an anode, a plurality of spaced apart dynodes, each having an input aperture and an output aperture, the dynodes arranged so as to concatenate electron emissions from the photocathode to the anode, and a conductive mesh overlying each input aperture, is improved by providing non-uniform openings in the mesh whereby relatively greater electrostatic shielding is provided for the dynode surface proximate to the output aperture of a preceding dynode.

REFERENCES:
patent: 2433724 (1947-12-01), Wolfgang
patent: 2824253 (1958-02-01), Fong et al.
patent: 3119038 (1964-01-01), Raffan
patent: 4060747 (1977-11-01), Faulkner

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