Device for detecting radioactive rays

Details Device for detecting radioactive rays Device for detecting radioactive rays

1986-09-25

1989-07-04

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250366, 250367, 25037009, 25037011, G01T 120

Patent

active

048453633

ABSTRACT:
In an X-ray detecting device for an X-ray computed tomography scanner, an indium tin oxide layer is deposited on a surface of a rectangular scintillator element which opposes X-ray incident surface thereof. The other surfaces of the element are coated with a light reflecting layer. An amorphous silicon film is formed on the indium tim oxide layer to form surface barrier type photo-diode and an electrode is further deposited on the amorphous silicon film. Incident X-rays are converted into light rays in the scintillator element, and light rays are reflected from the reflecting layer to the surface barrier type photo-diode and converted into an electric signal, which is picked up by the electrode.

REFERENCES:
patent: 4059766 (1977-11-01), Rougeot
patent: 4234792 (1980-11-01), DeCou et al.
patent: 4560882 (1985-12-01), Barbaric et al.

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