2018 International Conference on Signals and Systems (ICSigSys) 2018
DOI: 10.1109/icsigsys.2018.8372764
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The design of two dimensional gamma ray tomography system hardware based-on PIN photodiode detector

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“…Each of these tomography systems needs a compatible detector. Accordingly, different types of the detectors have been proposed for these systems, so far [18]- [21]. The detectors type varies from high-resolution pixelated detectors to cylindrical scintillators with a diameter of 2-3 inches.…”
Section: Introductionmentioning
confidence: 99%
“…Each of these tomography systems needs a compatible detector. Accordingly, different types of the detectors have been proposed for these systems, so far [18]- [21]. The detectors type varies from high-resolution pixelated detectors to cylindrical scintillators with a diameter of 2-3 inches.…”
Section: Introductionmentioning
confidence: 99%
“…Com poucas modificações no processo de fabricação, foram desenvolvidos os fotodiodos PIN verticais, conforme Figura 7, sendo que o fotodiodo é formado entre a camada N + , a camada epitaxial Pe o substrato P + . Usualmente a concentração de dopantes da camada epitaxial de 10 15 cm -3 , que consequentemente a pequena tensão reversa disponível nos circuitos integrados resultará em uma RDD de apenas 2μm, na qual, não será o suficiente para evitar o mecanismo de difusão de portadores para altos comprimentos de onda, visto que apenas parte da camada epitaxial é depletada (KIM et al, 2010;MUTTAQIN;WIJAYA;PRAJITNO, 2018;ZIMMERMANN, 2000).…”
Section: Tipos Básicos De Fotodiodos Convencionais Verticaisunclassified