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Multi-element X-ray detection module
Multi-element X-ray detection module

Function

Detection and spectrometry of hard X-ray radiation with the possibility of assembling of large area position-sensitive detectors.

Description

The module is a hybrid integrated circuit, manufactured by the thick film technology. 32 CdZnTe-detectors are fixed on the top surface of the ceramic substrate; these detectors provide high X-ray detection efficiency and allow operation under moderate cooling (to ?30??40) Ąį). The design of module enables tight mounting for composing of detection plane the required size. The module is currently under development for the coded mask X-ray telescopes for the SRG/eROSITA/Lobster project.

Main characteristics

Detector sizeššššššššššššššššššššššššššššššššššššššššššš 4.0×4.0×2.5 mm

Number of detectorsššššššššššššššššššššššššššššššššššššššššššššššššššššššš 32

Module sizešššššššššššššššššššššššššššššššššššššš 37.6×18.8×20.0 mm

Energy rangeššššššššššššššššššššššššššššššššššššššššššššššššššš 10?150 keV

Energy resolution

(for energy) (FWHM)ššššššššššššššššššššššš 1.5 (10), 3.0 (60);

šššššššššššššššššššššššššššššššššššššššššššššššššššššššššššššššššš 6.0 (150) keV

Operating temperaturesššššššššššššššššššššššššššššššššš ?(35Į5) Ąį

Dead time of detection šššššššššššššššššššššššššššššššššššššššššššš 20 μs

Power consumption, Wššššššššššššššššššššššššššššššššššššššššššššššššš 0.2



X-ray detection modules


241Am X-ray spectrum


Cooperation

FGUP GIREDMET, Moscow

Contacts

Department of high-energy astrophysics
V.V. Akimov +7(495)333-40-44, vakimov@space.ru