The improvement of manufacturing technologies is the key aspect in nuclear science experiments. In this work we present the results of the development aimed to improve gamma detection modules based on the use of Silicon Drift Detectors (SDD). Previous attempts to build this type of detector showed issues in terms of reliability and robustess which limit the use of this solution in experiments. The introduction of a passivation layer based on deposition of optical resin on the light entrance window of the SDD allows to enhance robustness and to couple the Silicon detector to scintillators for gamma-ray spectroscopy. Experimental results show multiple times that no worsening of electronics noise is observed after resin deposition.
Buonanno, L., Carminati, M., Fiorini, C., King, P., Borghi, G., Furlan, N., et al. (2019). Passivated SDD-Based Detection Unit to Improve Reliability in Scintillation Detection. In 2019 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2019. Institute of Electrical and Electronics Engineers Inc. [10.1109/NSS/MIC42101.2019.9059895].
Passivated SDD-Based Detection Unit to Improve Reliability in Scintillation Detection
Gironi L.
2019
Abstract
The improvement of manufacturing technologies is the key aspect in nuclear science experiments. In this work we present the results of the development aimed to improve gamma detection modules based on the use of Silicon Drift Detectors (SDD). Previous attempts to build this type of detector showed issues in terms of reliability and robustess which limit the use of this solution in experiments. The introduction of a passivation layer based on deposition of optical resin on the light entrance window of the SDD allows to enhance robustness and to couple the Silicon detector to scintillators for gamma-ray spectroscopy. Experimental results show multiple times that no worsening of electronics noise is observed after resin deposition.
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