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This article describes a study on the influence construction and technology on the time stability of neutron sensors
developed at the Institute of Electron Technology, and was prepared the need to eliminate the dark current growth in long-term
use, not associated with radiative exposures.
After analyzing the construction of detectors makes some changes to technological processes. To improve the assembly
technology changed the type of converter (hard wax is replaced with a soft petroleum jelly) and introduced the foam insert
to the casing of the sensor in order to avoid mechanical stresses in the structure. These stresses occur as a result of thermal
shrinkage of wax (almost abrupt change of state from liquid to crystalline phase), which caused the piezoelectric effect.
After conducting structural and technological changes detectors were long-term electric load.
Maciej Stolarski,Maciej Węgrzecki,Jan Kulawik, andBeata Synkiewicz
"Influence of construction and technology on the time stability of the neutron sensors", Proc. SPIE 8902, Electron Technology Conference 2013, 89021C (25 July 2013); https://doi.org/10.1117/12.2030401
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Maciej Stolarski, Maciej Węgrzecki, Jan Kulawik, Beata Synkiewicz, "Influence of construction and technology on the time stability of the neutron sensors," Proc. SPIE 8902, Electron Technology Conference 2013, 89021C (25 July 2013); https://doi.org/10.1117/12.2030401