Secondary-emissive layers

Details Secondary-emissive layers Secondary-emissive layers

1975-12-11

1978-07-04

Chatmon, Jr., Saxfield

Electric lamp and discharge devices

Photosensitive

Secondary emitter type

313 95, 313346R, 252501, 313399, H01J 4300

Patent

active

040990796

ABSTRACT:
A substrate bearing a secondary-emissive layer which consists of a cermet consisting of a readily evaporable metal, for example Au, Ag, Cu, Ni, Cr, Al or a nickel-chromium alloy, and an alkali metal aluminium fluoride, for example cryolite. The substrate material may be, for example mild steel, or a synthetic plastics material. It is possible to make large dynodes when using mild steel substrates which are much cheaper than silver-magnesium or beryllium-copper and the secondary-emissive layer does not require an activation treatment when incorporated in an electric discharge tube.

REFERENCES:
patent: 1873730 (1932-08-01), Wiegand
patent: 2003344 (1935-06-01), DE Boer et al.
patent: 2254073 (1941-08-01), Klatzow
patent: 2390701 (1945-12-01), Ferris
patent: 2620287 (1952-12-01), Bramley
patent: 2887597 (1959-05-01), Smith et al.
patent: 3182221 (1965-05-01), Poor, Jr.
patent: 3244922 (1966-04-01), Wolfgang
patent: 3468807 (1969-09-01), Spangenberg
patent: 3578834 (1971-05-01), Porta et al.
patent: 3634712 (1972-01-01), Orthuber
patent: 3724066 (1973-04-01), Wainer et al.

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