Device for the shielding of a motor stator for the rotating anod

Details Device for the shielding of a motor stator for the rotating anod Device for the shielding of a motor stator for the rotating anod

1992-04-16

1993-04-27

Porta, David P.

X-ray or gamma ray systems or devices

Source

Electron tube

378125, H01J 3516

Patent

active

052068927

ABSTRACT:
In X-ray tubes with a rotating anode, the shielding of the stator is obtained by a first conductive layer that is deposited on the external wall of an insulating bell-shaped part and has an electrical discontinuity, and by a second conductive layer that is deposited on the internal wall of an insulating cup-shaped or bowl-shaped part, the bell and the bowl encasing the stator and thus creating an electrostatic screen against the high frequency oscillations that result from the "crackling" of the tube. The device can be applied to X-ray tubes for radiology instruments.

REFERENCES:
patent: 2703373 (1955-03-01), Cummings
patent: 2890358 (1959-06-01), Cummings
patent: 4161655 (1979-07-01), Cotic et al.
patent: 4225787 (1980-09-01), Shapiro et al.
patent: 4995065 (1991-02-01), Janouin et al.
patent: 5008916 (1991-04-01), Le Guen

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