X-ray generator

Details X-ray generator X-ray generator

1996-04-10

1997-10-21

Wong, Don

X-ray or gamma ray systems or devices

Source

378121, 378137, H01J 3500

Patent

active

056804318

ABSTRACT:
An x-ray generator including a light source; a high temperature photocathode arranged so as to be illuminated by light from the light source; an accelerator for accelerating electrons emitted by the photocathode; and a target onto which accelerated electrons impinge so as to produce x-rays, the target being held at substantially ground potential. The accelerator is arranged so that the photocathode is at a low voltage end of a voltage multiplier, typically held at about -100 kV, and the target is at the high voltage end at ground potential. The voltage multiplier can include a bank of nested tubular capacitor members which surround the photocathode and accelerator section and are arranged such that the outer surface is at ground potential, the same as the target.

REFERENCES:
patent: 4490609 (1984-12-01), Chevalier
patent: 5191517 (1993-03-01), Stephenson
patent: 5428658 (1995-06-01), Oettinger et al.
patent: 5442678 (1995-08-01), Dinsmore et al.
Pietras, J.S. and Smith, S.R., "Photomultiplier Tubes and Detector Packaging for Hostile Environments", IEEE Transactions on Nuclear Science, vol. 35, No. 1, (Feb. 1988).

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