Modular electron discharge device

Details Modular electron discharge device Modular electron discharge device

1975-10-28

1977-03-08

Chatmon, Jr., Saxfield

Electric lamp and discharge devices

Discharging devices with apertured electrode interposed...

Plural cathodes

313237, 313267, 313304, H01J 146, H01J 2110

Patent

active

040114813

ABSTRACT:
A grid-controlled electron tube is constructed with a common anode and an array of individual cathode-grid modules. The simple modules can be built with greater accuracy than large, complex electrodes. The modules can be individually tested before final assembly, and can be individually replaced in case of a failure during construction or later operation. In a preferred embodiment, the cathode is a cylindrical filament surrounded by a coaxial grid, each grid turn being mounted to a common support on the side opposite the anode. In a tetrode embodiment, additional focusing bars at the sides of the grid direct electrons into beams which pass between large screen-grid wires.

REFERENCES:
patent: 2512618 (1950-06-01), Edwards et al.
patent: 2512620 (1950-06-01), Edwards
patent: 2853640 (1958-09-01), Hoover
patent: 3506871 (1970-04-01), Hunt
patent: 3544831 (1970-12-01), Hammersand et al.
patent: 3562576 (1971-02-01), Rusterholz
patent: 3863163 (1975-01-01), Farrell et al.

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