Tomography X-ray detector

Details Tomography X-ray detector Tomography X-ray detector

1977-03-23

1978-08-29

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250368, 250370, G01T 120, G01T 122

Patent

active

041106210

ABSTRACT:
A small but very efficient X-ray detector operating in a current integrating mode for use in high speed tomography apparatus comprises a scintillator that is entirely coated with a highly reflective matte material except for a relatively small-area window. A P.I.N photo-diode is juxtaposed with the scintillator opposite the window and the two are secured together at an optical interface comprising a transparent adherent material preferably having an index of refraction between the indices of the scintillator and the photo-diode. The ratio of the active surface area of the photo-diode to the area of the scintillator coated with reflective material is appreciably less than unity.

REFERENCES:
patent: 3030509 (1962-04-01), Carlson
patent: 3053982 (1962-09-01), Carlson
patent: 3247377 (1966-04-01), Hall
patent: 3742215 (1973-06-01), Meuleman
patent: 3798448 (1974-03-01), Menefee et al.
patent: 3916200 (1975-10-01), Sparks et al.
patent: 3932756 (1976-01-01), Cowell et al.

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