Alkali antimonide layer on a beryllim-copper primary dynode

Details Alkali antimonide layer on a beryllim-copper primary dynode Alkali antimonide layer on a beryllim-copper primary dynode

1980-03-21

1982-01-19

Willis, Davis L.

Electric lamp and discharge devices

Geiger-mueller type

313 98, 313103R, 313104, H01J 4000

Patent

active

043119395

ABSTRACT:
An electron discharge tube comprises an evacuated envelope, a photocathode within the envelope and a primary dynode having an active portion substantially coplanar with the photocathode. The active portion of the dynode has an oxide secondary emitting surface. A substantially uniform layer of an alkali antimonide compound is formed on substantially all of the oxide secondary emissive surface of the dynode.

REFERENCES:
patent: 2574356 (1951-11-01), Sommer
patent: 3753023 (1973-08-01), Sommer
patent: 4112325 (1978-09-01), Faulkner
patent: 4160185 (1979-07-01), Tomasetti et al.

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