X-ray tube

Details X-ray tube X-ray tube

1996-03-15

1998-04-21

Porta, David P.

X-ray or gamma ray systems or devices

Source

Electron tube

378136, H01J 3506

Patent

active

057426627

ABSTRACT:
An x-ray tube has an anode and a cathode arrangement mounted at a distance from the anode and having an electron emitter, the cathode arrangement containing structure for focusing the electron beam that emanates from the electron emitter during operation of the x-ray tube and which is incident on the anode in a focal spot, the focus of the electron beam being located between the electron emitter and the focal spot.

REFERENCES:
patent: 4344011 (1982-08-01), Hayashi et al.
patent: 4689809 (1987-08-01), Sohval
patent: 5033072 (1991-07-01), Fournier et al.

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