X-ray apparatus with beam indicator

Details X-ray apparatus with beam indicator X-ray apparatus with beam indicator

1990-09-24

1992-01-14

Howell, Janice A.

X-ray or gamma ray systems or devices

Accessory

Testing or calibration

378162, G01D 1800

Patent

active

050816632

ABSTRACT:
An x-ray apparatus including an x-ray source with a primary radiation diaphragm attached thereto has a luminescent foil disposed in the interior of either the x-ray source or the primary radiation diaphragm at a location so that the x-ray beam is incident thereon. Interaction of the luminescent foil with the x-ray beam causes the foil to emit light, which is conducted to an exterior of the apparatus by an optical waveguide. The light is therefore visible at a location at the exterior of the unit, such as in the housing, as a reliable indicator that x-rays are actually being generated.

REFERENCES:
patent: 3581094 (1971-05-01), Peyser et al.
patent: 4355410 (1982-10-01), Sullins
patent: 4530007 (1985-07-01), Schmidt
patent: 4918714 (1990-04-01), Adamski et al.

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