Radiation detection circuit having a signal integrating capacito

Details Radiation detection circuit having a signal integrating capacito Radiation detection circuit having a signal integrating capacito

1990-09-27

1992-05-12

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

307491, G01T 124

Patent

active

051130777

ABSTRACT:
A radiation detection circuit integrates output currents of a plurality of X-ray CT scanner radiation detectors, which are combinations of scintillators and photodiodes, during a short period to convert them to charge information in order to collect data for reproducing a tomogram. A current amplifier is connected to the output terminal of the photo-diode, and an output current of the current amplifier is charged in an integration capacitor. In this manner, the radiation detection circuit enables reduction of the measurement period.

REFERENCES:
patent: 4153839 (1979-05-01), Hounsfield
patent: 4278889 (1981-07-01), Erker
patent: 4910455 (1990-03-01), Nadd

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