Channel electron multiplier phototube

Details Channel electron multiplier phototube Channel electron multiplier phototube

1989-03-03

1990-10-30

O Shea, Sandra L.

Electric lamp and discharge devices

Photosensitive

Secondary emitter type

313105CM, H01J 4304, H01J 4328

Patent

active

049671154

ABSTRACT:
A channel electron multiplier phototube having a channel electron multiplier, a photocathode assembly, and an anode assembly. The channel electron multiplier includes an insulating body having a curved passageway extending therethrough. A secondary emissive dynode material is on the walls of the passageway. The passageway, together with a photoemission film of the photocathode assembly and the anode of the anode assembly define an evacuated closed region. Preferably, the electron multiplier is a monolithic ceramic body.

REFERENCES:
patent: 3128408 (1964-04-01), Goodrich et al.
patent: 3224922 (1966-04-01), Wolfgang
patent: 3612946 (1971-10-01), Toyoda
patent: 3790840 (1974-02-01), Toyoda
patent: 3863093 (1975-01-01), Orthuber
patent: 4095132 (1978-06-01), Fraioli
patent: 4649314 (1987-03-01), Eschard
patent: 4757229 (1988-07-01), Schmidt et al.
Vacumetrics, Inc., Catalog 1984/85, pp. 40-41.
Ralph W. Engstrom, "Photomultiplier Handbook", 1980, RCA Corporation, pp. 28-35, also pp. 76-77.

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