An SRAM Based Monitor for Mixed-Field Radiation Environments

Abstract : CERN hosts a large number of electronic devices and equipment, functioning over its different particle accelerators. In certain areas, they operate in harsh radiation environments. In order to assure their proper functionality, the equipment or some of their sensitive components undergo several tests in experimental test areas representative of the LHC radiation fields, while specialized monitors constantly record the respective radiation levels. The purpose of this study is to evaluate the use of monitors using recent technology nodes (90 nm) in order to have a better estimation of the expected error rate of the devices. The H4IRRAD experimental test area has been specifically designed to reproduce the radiation field that is present within the LHC tunnel and shielded areas. It has been used to test our custom SRAM based monitors. The monitors have been exposed to a maximum dose and high energy hadron fluence of about 76 Gy and 1.3 × 1011 cm-2 respectively. The results show that the total ionizing dose (TID) effect does not impact the bit cross section of our devices. Moreover the Single Event occurrence is coherent to the beam intensity fluctuations, proving that these devices are appropriate for SEU monitoring under mixed particle fields.
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Article dans une revue
IEEE Transactions on Nuclear Science, Institute of Electrical and Electronics Engineers, 2014, 61 (4), pp.1663-1670. 〈http://ieeexplore.ieee.org/Xplore/home.jsp〉. 〈10.1109/TNS.2014.2299733〉
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https://hal-lirmm.ccsd.cnrs.fr/lirmm-01234441
Contributeur : Luigi Dilillo <>
Soumis le : jeudi 26 novembre 2015 - 22:27:11
Dernière modification le : jeudi 24 mai 2018 - 15:59:25

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Georgios Tsiligiannis, Luigi Dilillo, Alberto Bosio, Patrick Girard, Serge Pravossoudovitch, et al.. An SRAM Based Monitor for Mixed-Field Radiation Environments. IEEE Transactions on Nuclear Science, Institute of Electrical and Electronics Engineers, 2014, 61 (4), pp.1663-1670. 〈http://ieeexplore.ieee.org/Xplore/home.jsp〉. 〈10.1109/TNS.2014.2299733〉. 〈lirmm-01234441〉

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