Title:
NEUTRON BEAM DETECTING DEVICE, NEUTRON BEAM DETECTING METHOD, AND NEUTRON BEAM DETECTION PROGRAM
Document Type and Number:
WIPO Patent Application WO/2022/163817
Kind Code:
A1
Abstract:
A neutron beam detecting device according to the present invention is provided with: a first solar cell type detector which has attached to a surface thereof a converting film for converting neutrons into a charged particle beam of any of alpha particles, protons, lithium nuclei, gamma rays, and beta rays, or into photons, and which generates an electric current in response to the incidence of radiation; a radiation detector which, in response to the incidence of radiation, produces, as an output signal, an electric current that is insensitive to neutrons; current measuring instruments for detecting, as signals, an electric current generated by the first solar cell type detector and an electric current generated by the radiation detector in response to the incidence of radiation; and a flux calculating unit for comparing the electric current signals from the detectors, detected by the current measuring instruments. The flux calculating unit calculates the flux of a neutron beam by associating the detected electric current signals from the solar cell type detector and the radiation detector with a previously acquired relationship between the flux of incident radiation pertaining to a prescribed beam type and the detected currents from the solar cell type detector and the radiation detector.
Inventors:
IMAIZUMI MITSURU (JP)
OKUNO YASUKI (JP)
OKUNO YASUKI (JP)
Application Number:
PCT/JP2022/003344
Publication Date:
August 04, 2022
Filing Date:
January 28, 2022
Export Citation:
Assignee:
UNIV TOHOKU (JP)
International Classes:
G01T1/24; G01T3/08; H01L31/08
Foreign References:
| JP2017026595A | 2017-02-02 | |||
| US20170200762A1 | 2017-07-13 |
Other References:
OKUNO, YASUKI; IMAIZUMI, MITSURU; GOTOH, YASUHITO; AKIYOSHI, MASAFUMI; KOBAYASHI, TOMOHIRO; OKAMOTO, TAMOTSU: "13p-A202-1 Development of highly radiation-resistant dosimeters that do not require external power source by the application of compound solar cells", PROCEEDINGS OF THE 67TH SPRING MEETING OF THE JAPAN SOCIETY OF APPLIED PHYSICS (JSAP); MARCH 12-15, 2020, JAPAN SOCIETY OF APPLIED PHYSICS, JP, vol. 67, 28 February 2020 (2020-02-28) - 15 March 2020 (2020-03-15), JP, pages 11 - 142, XP009538533
OKUNO, YASUKI; OKAMOTO, TAMOTSU; GOTOH, YASUHITO; AKIYOSHI, MASAFUMI; IMAIZUMI, MITSURU; KOBAYASHI, TOMOHIRO: "9p-W933-9 Development of high-level radiation dosimeter by applying solar cells for decommissioning of nuclear reactor", 66TH JSAP SPRING MEETING; TOKYO, JAPAN; MARCH 9-12, 2019, JAPAN SOCIETY OF APPLIED PHYSICS, JP, vol. 66, 25 February 2019 (2019-02-25) - 12 March 2019 (2019-03-12), JP, pages 9p - W933, XP009538532
OKUNO, YASUKI; OKAMOTO, TAMOTSU; GOTOH, YASUHITO; AKIYOSHI, MASAFUMI; IMAIZUMI, MITSURU; KOBAYASHI, TOMOHIRO: "9p-W933-9 Development of high-level radiation dosimeter by applying solar cells for decommissioning of nuclear reactor", 66TH JSAP SPRING MEETING; TOKYO, JAPAN; MARCH 9-12, 2019, JAPAN SOCIETY OF APPLIED PHYSICS, JP, vol. 66, 25 February 2019 (2019-02-25) - 12 March 2019 (2019-03-12), JP, pages 9p - W933, XP009538532
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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