Electron tube with adjustable cathode structure

Details Electron tube with adjustable cathode structure Electron tube with adjustable cathode structure

1994-07-08

1996-06-11

Wong, Don

X-ray or gamma ray systems or devices

Source

Electron tube

378135, 378121, H01J 3506

Patent

active

055263968

ABSTRACT:
An X-ray tube, comprising a cathode arrangement which includes an electron emitter connected to supporting pins which in turn are connected to the cathode structure via a respective fixing element. Particularly simple adjustment of the position of the filament is achieved in that the fixing elements are connected to the cathode structure in a first region and to the associated supporting pin in a second region which is remote from the first region, and that the fixing elements comprise a deformation zone between the first and the second region, deformation of said zone enabling adjustment of the position of the electron emitter relative to the cathode structure.

REFERENCES:
patent: 2113422 (1938-04-01), Coolidge
patent: 2123607 (1938-07-01), Lee
patent: 2130020 (1938-09-01), McEuen
patent: 5077777 (1991-12-01), Daly

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