Circumferentially apertured cylindrical grid for electron tube

Details Circumferentially apertured cylindrical grid for electron tube Circumferentially apertured cylindrical grid for electron tube

1980-02-14

1981-10-13

Chatmon, Jr., Saxfield

Electric lamp and discharge devices

Discharging devices with apertured electrode interposed...

313297, 313299, 313348, H01J 146, H01J 2110

Patent

active

042950775

ABSTRACT:
An improved high power electron tube has at least one grid electrode. The grid electrode is formed from a one piece cylindrical member, closed at one end, having an outside diameter, D. The cylindrical member has a plurality of arcuate, circumferentially elongated apertures extending therethrough. Each of the apertures has a length x and a width y wherein the length x is greater than width y, and wherein the length x is not greater than 0.55 times the diameter, D, of the electrode. The width y, of each of the apertures is not greater than 0.1 times the diameter D, of the electrode.

REFERENCES:
patent: 1437607 (1922-12-01), Mueller
patent: 1670503 (1928-05-01), Greenbowe
patent: 1674331 (1928-06-01), Jackman
patent: 2980984 (1961-04-01), Shrader et al.
patent: 3249791 (1966-05-01), Kendall, Jr.
patent: 3305748 (1967-02-01), Pehe et al.
patent: 3337933 (1967-08-01), Seiffarth et al.

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