Modular electron tube with carbon grid

Electric lamp and discharge devices – Discharging devices with apertured electrode interposed... – Plural-parallel-section cathode with electrode surrounding...

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313293, 313296, 313302, 313348, H01J 146, H01J 2110

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active

042777186

ABSTRACT:
In a high-power grid-controlled electron tube, a common anode receives electrons from a modular electron source having a common support structure to which are attached a plurality of modules. Each module has at least one cathode and grid mounted on a base which is individually attached to the support structure. The grids are approximately flat sheets of carbon with apertures to pass the electrons. Pyrolytic graphite is a preferred grid material.

REFERENCES:
patent: 2817031 (1957-12-01), Bennett
patent: 2853640 (1958-09-01), Hoover
patent: 3307063 (1967-02-01), Sarrois
patent: 3544831 (1970-12-01), Hammersand et al.
patent: 3863163 (1975-01-01), Farrell et al.
patent: 4011481 (1977-03-01), Preist
patent: 4121130 (1978-10-01), Gange

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