Cathode for an X-ray tube and a tube including such a cathode

Details Cathode for an X-ray tube and a tube including such a cathode Cathode for an X-ray tube and a tube including such a cathode

1990-07-27

1991-07-09

Westin, Edward P.

X-ray or gamma ray systems or devices

Specific application

Holography or interferometry

378137, 378138, H01J 3506

Patent

active

050312006

ABSTRACT:
The invention relates to X-ray tubes, and more particularly to cathodes for such tubes. The invention lies in the cathode, which includes an electron-emitting filament (26), being made in the form of a main body (10) of insulating material having metal electrodes (16 and 19) deposited thereon which are insulated from one another by the main body. The filament (26) and the electrodes (16 to 19) are connected to conductors (27, 21 to 23) which pass through the main body.

REFERENCES:
patent: 3753022 (1973-08-01), Fraser, Jr.
patent: 4035685 (1977-07-01), Jacob
patent: 4373144 (1983-02-01), Franke

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