Radiation detector

Details Radiation detector Radiation detector

1983-10-21

1987-01-27

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

G01T 120

Patent

active

046396004

ABSTRACT:
The present invention provides a radiation detector arrangement wherein the detecting faces of the detecting elements are arranged at an acute angle to the plane of radiation, i.e., the plane parallel to the direction of relative movement between the radiation detector and the radiation to be detected. The remaining portions of the detector elements are shielded from receiving radiation from the source, by, for example, adjacent detecting elements or layers of high Z materials. As a consequence, the individual detector elements are sensitive to their position with respect to the radiation source, without the necessity of employing collimators. In a preferred embodiment of the invention, the individual detector elements are wedge-shaped, and are arranged in groups of four to define detectors having pyramidal recesses. In further embodiments of the invention, four detecting elements may be arranged in a back-to-back relationship, in the array, to form pyramidal detectors. Alternatively, a pair of elements may be arranged back-to-back to form detectors in an array, the detectors being wedge-shaped.

REFERENCES:
patent: 4291228 (1981-09-01), Thompson
patent: 4317037 (1982-02-01), Luzaki et al.
patent: 4395636 (1983-07-01), Anger et al.
patent: 4415808 (1983-11-01), Cusano et al.

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