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Author Pérez, M.; Sofo Haro, M.; Sidelnik, I.; Tozzi, L.; Rondón Brito, D.; Mora, C.; Blostein, J.J.; Gómez Berisso, M.; Lipovetzky, J.
Title Commercial CMOS Pixel Array for Beta and Gamma Radiation Particle Counting Type Journal Article
Year 2015 Publication IEEE, Micro-Nanoelectronics, Technology and Applications (EAMTA) Abbreviated Journal
Volume Issue Pages (down) 11
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Call Number BT @ pedrazp @ Serial 752
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Author Alcalde Bessia, F.; Pérez, M.; Gomez Berisso, M.; Piunno, N.; Mateos, H.; Pomiro, F.J.; Sidelnik, I.; Blostein, J.J.; Sofo Haro, M.; Lipovetzky, J.
Title X-ray micrographic imaging system based on COTS CMOS sensors Type Conference Article
Year 2017 Publication 2017 Argentine Conference of Micro-Nanoelectronics, Technology and Applications (CAMTA) Abbreviated Journal
Volume Issue Pages (down) 1-4
Keywords biological techniques; biology computing; CMOS image sensors; image processing equipment; X-ray imaging; X-ray image acquisition; X-ray micrographic imaging system; Commercial Off The Shelf CMOS image sensors; biology; paleontology research; scintillator conversion layers; electronic components inspection; COTS CMOS sensors; electron volt energy 8.0 keV; Photonics; X-ray imaging; Silicon; Attenuation; Detectors; Image sensors; Cmos; Vlsi; X-ray applications; Biomedical imaging; CMOS image sensors
Abstract This paper presents the use of Commercial Off The Shelf CMOS image sensors for the acquisition of X-ray images with high spatial resolution. The X-ray images, with application in biology, electronic components inspection or paleontology research, are obtained with 8 keV photons from a Cu tube. The quantum efficiency of the detector is estimated using attenuation lengths of photons in the sensor, and compared to traditional scintillator conversion layers.
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Series Editor Series Title Abbreviated Series Title 2017 Argentine Conference of Micro-Nanoelectronics, Technology and Applications (CAMTA)
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Call Number BT @ pedrazp @ Serial 831
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Author Alcalde Bessia, F.; Flandre, D.; André, N.; Irazoqui, J.; Pérez, M.; Gómez Berisso, M.; Lipovetzky, J.
Title Fully-Depleted SOI MOSFET Sensors in Accumulation Mode for Total Dose Measurement Type Conference Article
Year 2018 Publication 2018 IEEE Nuclear Science Symposium and Medical Imaging Conference Proceedings (NSS/MIC) Abbreviated Journal 2018 IEEE Nuclear Science Symposium and Medical Imaging Conference Proceedings (NSS/MIC)
Volume Issue Pages (down) 1-3
Keywords dosimeters; dosimetry; linear accelerators; Mosfet; radiation therapy; silicon-on-insulator; fully-Depleted SOI MOSFET sensors; accumulation mode; Fd-Soi; Elekta Synergy radiotherapy linear accelerator; buried oxide; radiation dosimeters; Total Ionizing Dose measurement; fully Depleted Silicon-on-Insulator transistors; Université Catholique de Louvain; I-V curves; BOX back-gate transistors; Transistors; Sensitivity; Logic gates; Radiation effects; Threshold voltage; Voltage measurement; Annealing; Radiation Dosimeter; Soi
Abstract Fully Depleted Silicon-on-Insulator (FD-SOI) transistors fabricated with a custom process in Université Catholique de Louvain (UCL) were irradiated with X-rays using an Elekta Synergy radiotherapy linear accelerator. I-V curves of FD-SOI are sensitive to charges produced in the buried oxide (BOX) by ionizing radiation, so it is possible to use these devices as radiation dosimeters. In this work, we evaluated the use of thick BOX back-gate transistors for Total Ionizing Dose (TID) measurement using different bias conditions and we obtained a maximum sensitivity of 191 mV/Gy for devices operating in accumulation mode.
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Series Editor Series Title Abbreviated Series Title 2018 IEEE Nuclear Science Symposium and Medical Imaging Conference Proceedings (NSS/MIC)
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Call Number BT @ pedrazp @ Serial 839
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Author Alcalde Bessia, F.; Flandre, D.; André, N.; Irazoqui, J.; Pérez, M.; Gómez Berisso, M.; Lipovetzky, J.
Title Ultra Low Power Ionizing Dose Sensor Based on Complementary Fully Depleted MOS Transistors for Radiotherapy Application Type Journal Article
Year 2019 Publication IEEE Transactions on Nuclear Science Abbreviated Journal IEEE Transactions on Nuclear Science
Volume Issue Pages (down) 1-1
Keywords Transistors; Temperature measurement; Voltage measurement; Threshold voltage; Radiation effects; Current measurement; Semiconductor device measurement; Silicon radiation detectors; Ionizing radiation sensors; Silicon-on-insulator
Abstract We evaluate the use of the thick buried oxide (BOX) of Fully Depleted Silicon-on-Insulator (FD-SOI) transistors for Total Ionizing Dose (TID) measurements in a radiotherapy application. The devices were fabricated with a custom process in UniversitC) Catholique de Louvain (UCL) which allows to make accumulation mode PMOS transistors and inversion mode NMOS transistors. We characterized the temperature behavior of these devices and the response under X-ray radiation produced by an Elekta radiotherapy linear accelerator, and compared the obtained dose sensitivity to other published works. Taking advantage of these devices, an ultra low power MOS ionizing dose sensor, or MOS dosimeter, with inherent temperature compensation is presented. This dosimeter achieved a sensitivity of 154 mV/Gy with a temperature error factor of 13 mGy/°C and a current consumption below 1 nA.
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Call Number BT @ pedrazp @ Serial 841
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Author Sidelnik, I.; Asorey, H.; Mancilla, A.; Anibal, G.; Guarin, N.; Arnaldi, H.; Pérez, M.; Alcalde Bessia, F.; Lipovetzky, J.; Sofo Haro, M.; Blostein, J.J.; Gómez Berisso, M.
Title Construccion de detectores Cherenkov en agua Type Journal Article
Year 2017 Publication Informe Tecnico CNEA Abbreviated Journal IT-CNEA
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Call Number BT @ pedrazp @ Serial 782
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