Electron generating assembly for an x-ray tube having a cathode

Details Electron generating assembly for an x-ray tube having a cathode Electron generating assembly for an x-ray tube having a cathode

1995-06-28

1996-11-19

Berman, Jack I.

Radiant energy

Ion generation

Field ionization type

250423P, 378121, 378136, H01J 2948

Patent

active

055765491

ABSTRACT:
An electron generating assembly for an x-ray tube has a thermionic cathode and an electrode system for accelerating electrons emitted by the thermionic cathode, and an electron multiplier disposed in the electron path. In order to achieve a given electron beam density, the electron beam current emitted by the cathode can be reduced dependent on the multiplication factor of the electron multiplier, thereby extending the service life of the overall assembly. The electron multiplier can be controllable.

REFERENCES:
"Optically Switched Pulsed X-Ray Generator," Ziegler, Rev. of Sci. Instr., vol. 43, No. 1, Jan. 1972, pp. 167-168.

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