Detection apparatus for X-ray tomography

Details Detection apparatus for X-ray tomography Detection apparatus for X-ray tomography

1976-06-04

1977-10-25

Willis, Davis L.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

250445T, G01T 118

Patent

active

040557677

ABSTRACT:
In a device comprising one or a number of X-ray beams of suitable shape and at least one cell for detecting X-rays which have passed through the organ to be analyzed, the detection cells are ionization chambers comprising two parallel electrodes separated by a radiation-detecting medium for converting the X-rays to electron-ion pairs. The electrodes are connected to two terminals of a voltage source and the detection cells are associated with means for measuring the charge collected during a predetermined period of time under the influence of the X-rays.

REFERENCES:
patent: 3703638 (1972-11-01), Allemand et al.
patent: 3881110 (1975-04-01), Hounsfield et al.
patent: 3991312 (1976-11-01), Whetten et al.

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