Radiation detector head

Details Radiation detector head Radiation detector head

2008-03-04

2008-03-04

Hannaher, Constantine (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

Reexamination Certificate

active

11180735

ABSTRACT:
A radiation detection camera head having a focal-plane array of pixelated detectors having constant pitch between pixels over the whole of the camera head, while using detector modules having normal production tolerances, and which can nevertheless be readily removed and replaced in the detector array by means of predetermined gaps between adjacent detector modules. The pixels on the side walls of the detector modules have reduced size to maintain constant pitch over the array in spite of production variation between modules. The reduction in sensitivity due to this reduced size is compensated for by the addition of insulated conductive bands on the side walls. The head collimator is such that the septa fall between pixels and between modules, such that head sensitivity is maintained at its optimum value.

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Article: “Applications of Advanced Z- Technology Focal Plane Architectures” by J.C. Carson, published in SPIE vol. 930, Infrared Detectors and Arrays, pp. 164-182 (1988).
Article: A.E. Bolotnikov et al., entitled “Charge loss between contacts of CdZnTe pixel detectors”, published in Nuclear Instruments and Methods in Physics Research A, vol. 432, pp. 326-331 (1999).

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