Environmental Thermal Neutron Flux in a Concrete Building for Implantable Device Therapy Assessment
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概要
- 論文の詳細を見る
Since implantable device therapy utilizes microcomputers, soft-errors due to radiations are becoming the dominant reliability failure mechanism. The environmental thermal neutron is one of serious causes of soft-errors. For analyzing thermal neutron fluxes, neutron measurements were conducted in a concrete building of Kyushu University of 11 stories by the use of two types of neutron detectors; one is bare ^3He counter that is sensitive to thermal neutrons, and the other a neutron dose meter that consists of a ^3He counter but sensitive to higher energy neutrons. Cosmic muons, which can produce neutrons via nuclear reactions, were also measured by a parallel plate plastic scintillator counter. The floor variation of flux has been compared with simulation results of the code PHITS and discussed.
- バイオメディカル・ファジィ・システム学会の論文
著者
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Uozumi Yusuke
Graduate School Of Engineering Kyushu University
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NAKANO Masahiro
University of Occupational and Environmental Health
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Fukui Yoshinori
Graduate School Of Engineering Kyushu University
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Naher Kamrun
Graduate School Of Engineering Kyushu University
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Koba Yusuke
Graduate School Of Engineering Kyushu University
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Iwamoto Hiroki
Graduate School Of Engineering Kyushu University
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Imamura Minoru
Graduate School Of Engineering Kyushu University
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