Radiography

Details Radiography Radiography

1976-10-26

1978-07-18

Willis, Davis L.

Radiant energy

With charged particle beam deflection or focussing

With target means

250355, H05G 126

Patent

active

041017730

ABSTRACT:
Radiographic apparatus is described in which an X-ray tube incorporates a cathode which is heavily driven to produce a strong electron beam. In order to minimize the demands placed on the cathode, the X-radiation emitted by the tube (or the electron beam produced by the cathode and causing the emission of the X-radiation) is monitored and used to control the supply of energy (e.g. heater current) to the cathode.

REFERENCES:
patent: 3345516 (1967-10-01), Nicholson et al.
patent: 3949229 (1976-04-01), Albert

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