System for the processing of pulses resulting from the interacti

Details System for the processing of pulses resulting from the interacti System for the processing of pulses resulting from the interacti

1996-08-30

1998-10-13

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

25037006, G01T 117

Patent

active

058215387

ABSTRACT:
A system for processing information resulting from the interaction of a gamma particle with a CdTe radiation detector (1) including a charge amplifier (3) for transforming information into analog pulses and electronic measuring devices (4) including an amplitude circuit (10) for acquiring the amplitude of the pulse given the starting instant of the measuring of the pulse rise time and a time circuit (18) ensuring detection of the end of the pulse rise time. The two circuits are coupled for purposes of synchronization and the determination of the pulse rise time. Radioactive sources and software ensure the calibration of the response of the detector as a function of the rise time, the modeling of the detector charge losses and the correction of the detector charge losses as a function of the rise time supplied by the measuring devices.

REFERENCES:
patent: 4485442 (1984-11-01), Snaper et al.
patent: 4937452 (1990-06-01), Simpson et al.
E. N. Arkad'eva, L. V. Maslova, O. A. Matseev, S. V. Profok'ev, S. M. Rykin, and A. Kh. Khusainov, "Spectrometric gamma quantum detectors using cadmium telluride crystals." Sov. Phys. Dokl., vol. 20, No. 3 (Mar. 1975) pp. 211-213.
L. T. Jones and P. B. Woollam, "Resolution Improvement in CdTe Gamma Detectors Using Pulse-Shape Discrimination." Nuclear Instruments and Methods, vol. 124 (1975) pp. 591-595.

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