Electron gun for a high power klystron

Details Electron gun for a high power klystron Electron gun for a high power klystron

1984-09-18

1987-01-06

Moore, David K.

Electric lamp and discharge devices

Cathode ray tube

Ray generating or control

313448, H01J 2946

Patent

active

046349251

ABSTRACT:
An electron gun for a high power klystron which includes a cathode which emits electrons; a focus electrode which, connected to the cathode through a supporting member composed of a material of high electric resistivity, makes the electrons emitted from the cathode produce an electron beam; and an anode which accelerates the electron beam produced by the focus electrode. The supporting member composed of a material of high electric resistivity may alternately be provided between the first and the second portions of the focus electrode, or between the cathode and the second focus electrode portion, wherein the two focus electrode portions are arranged adjacently to each other in the axial direction of the device, and wherein the first focus electrode portion is directly connected to the cathode.

REFERENCES:
patent: 2644906 (1953-07-01), Bondley
patent: 3023336 (1962-02-01), Frenkel
patent: 3295066 (1966-12-01), Anderson
patent: 3500110 (1970-03-01), Windsor
patent: 3614520 (1971-10-01), Coleman
patent: 3843902 (1974-10-01), Miram et al.
patent: 3963955 (1976-06-01), Miram et al.
patent: 3983446 (1976-09-01), Miram et al.
patent: 4399388 (1983-08-01), Hamano et al.

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