JP6241888B2 - 放射線線量計および放射線線量の算出方法 - Google Patents
放射線線量計および放射線線量の算出方法 Download PDFInfo
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- JP6241888B2 JP6241888B2 JP2014519906A JP2014519906A JP6241888B2 JP 6241888 B2 JP6241888 B2 JP 6241888B2 JP 2014519906 A JP2014519906 A JP 2014519906A JP 2014519906 A JP2014519906 A JP 2014519906A JP 6241888 B2 JP6241888 B2 JP 6241888B2
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- 230000005855 radiation Effects 0.000 title claims description 268
- 238000004364 calculation method Methods 0.000 title claims description 62
- 238000001228 spectrum Methods 0.000 claims description 95
- 238000006243 chemical reaction Methods 0.000 claims description 57
- 238000000034 method Methods 0.000 claims description 20
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 239000004065 semiconductor Substances 0.000 claims description 11
- 229910004613 CdTe Inorganic materials 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 37
- 238000010521 absorption reaction Methods 0.000 description 31
- 230000035945 sensitivity Effects 0.000 description 18
- 239000010931 gold Substances 0.000 description 13
- 239000010949 copper Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 11
- 238000005259 measurement Methods 0.000 description 10
- 230000004044 response Effects 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- TVFDJXOCXUVLDH-RNFDNDRNSA-N cesium-137 Chemical compound [137Cs] TVFDJXOCXUVLDH-RNFDNDRNSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000941 radioactive substance Substances 0.000 description 2
- 238000005316 response function Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- MARUHZGHZWCEQU-UHFFFAOYSA-N 5-phenyl-2h-tetrazole Chemical compound C1=CC=CC=C1C1=NNN=N1 MARUHZGHZWCEQU-UHFFFAOYSA-N 0.000 description 1
- 229910004611 CdZnTe Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QWUZMTJBRUASOW-UHFFFAOYSA-N cadmium tellanylidenezinc Chemical compound [Zn].[Cd].[Te] QWUZMTJBRUASOW-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000012857 radioactive material Substances 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- PGAPATLGJSQQBU-UHFFFAOYSA-M thallium(i) bromide Chemical compound [Tl]Br PGAPATLGJSQQBU-UHFFFAOYSA-M 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/02—Dosimeters
- G01T1/026—Semiconductor dose-rate meters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/24—Measuring radiation intensity with semiconductor detectors
- G01T1/244—Auxiliary details, e.g. casings, cooling, damping or insulation against damage by, e.g. heat, pressure or the like
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
Description
Claims (6)
- 放射線を検出するための放射線検出体と、
前記放射線検出体を覆うシールド部材と、
前記放射線検出体によって検出された放射線のエネルギーと、前記シールド部材によって散乱された放射線のエネルギーに応じて定められる変換係数と、に基づいて放射線の線量を算出する演算装置と、
を備え、
前記放射線検出体は、入射した放射線のエネルギーの大きさに応じて電子およびホールを生成する半導体で構成され、
前記放射線検出体は、前記シールド部材によって散乱された放射線を検出する、放射線線量計。 - 前記放射線検出体は、CdTeから構成される、請求項1に記載の放射線線量計。
- 前記シールド部材は、Au、Cu、Alおよびステンレス鋼のいずれかから構成される、請求項1または請求項2に記載の放射線線量計。
- 前記シールド部材は、0.1mm以上1.0mm以下の厚さを有する、請求項1〜請求項3のいずれか一項に記載の放射線線量計。
- 前記演算装置によって算出された線量を表示する表示装置をさらに備える、請求項1〜請求項4のいずれか一項に記載の放射線線量計。
- シールド部材に覆われた放射線検出体を備える放射線線量計における放射線線量の算出方法であって、
前記シールド部材によって散乱された後に前記放射線検出体によって検出された放射線のエネルギースペクトルを取得するスペクトル取得ステップと、
前記スペクトル取得ステップにおいて取得された前記エネルギースペクトルと、前記シールド部材によって散乱された放射線のエネルギーに応じて定められる変換係数と、に基づいて前記放射線線量を算出する線量算出ステップと、
を備え、
前記放射線検出体は、入射した放射線のエネルギーの大きさに応じて電子およびホールを生成する半導体で構成される、放射線線量の算出方法。
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JP2014519906A JP6241888B2 (ja) | 2012-06-07 | 2013-05-20 | 放射線線量計および放射線線量の算出方法 |
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JP2012129788 | 2012-06-07 | ||
JP2012129788 | 2012-06-07 | ||
PCT/JP2013/063961 WO2013183434A1 (ja) | 2012-06-07 | 2013-05-20 | 放射線線量計および放射線線量の算出方法 |
JP2014519906A JP6241888B2 (ja) | 2012-06-07 | 2013-05-20 | 放射線線量計および放射線線量の算出方法 |
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JPWO2013183434A1 JPWO2013183434A1 (ja) | 2016-01-28 |
JP6241888B2 true JP6241888B2 (ja) | 2017-12-06 |
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JP2014519906A Active JP6241888B2 (ja) | 2012-06-07 | 2013-05-20 | 放射線線量計および放射線線量の算出方法 |
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Country | Link |
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US (1) | US20150153461A1 (ja) |
EP (1) | EP2860552B1 (ja) |
JP (1) | JP6241888B2 (ja) |
CN (1) | CN104335071B (ja) |
IN (1) | IN2014DN10855A (ja) |
WO (1) | WO2013183434A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US9841508B2 (en) * | 2014-08-26 | 2017-12-12 | Mitsubishi Electric Corporation | Dose rate measuring device |
CN107076861B (zh) * | 2014-10-23 | 2019-01-04 | 三菱电机株式会社 | 剂量率测定装置 |
CN108324295B (zh) * | 2017-12-18 | 2021-03-23 | 江苏赛诺格兰医疗科技有限公司 | 能谱寻峰方法、装置和计算机存储介质 |
US10575196B2 (en) * | 2018-04-04 | 2020-02-25 | Rohde & Schwarz Gmbh & Co. Kg | Measurement system and method for testing a device under test |
US10809290B2 (en) * | 2018-07-31 | 2020-10-20 | Rohde & Schwarz Gmbh & Co. Kg | Resonant cavity for wireless communication measurement and corresponding method |
Family Cites Families (17)
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US3122640A (en) * | 1960-05-13 | 1964-02-25 | Preston V Murphy | Method and apparatus for measuring the dosage of x-rays and gamma rays |
US4461952A (en) * | 1980-10-24 | 1984-07-24 | Commissariat A L'energie Atomique | Portable computing device for measuring radiations |
JPS5999276A (ja) * | 1982-11-27 | 1984-06-07 | Hitachi Ltd | 放射能測定方法及び装置 |
JPS63271187A (ja) * | 1987-04-28 | 1988-11-09 | Matsushita Electric Ind Co Ltd | 線量測定器 |
US4859853A (en) * | 1988-02-04 | 1989-08-22 | The United States Of America As Represented By The Secretary Of The Army | Solid state gamma ray dosimeter which measures radiation in terms of absorption in a material different from the detector material |
US4893017A (en) * | 1988-10-14 | 1990-01-09 | The United State Of America As Represented By The Sectretay Of The Army | Dose and dose rate sensor for the pocket radiac |
JPH0420893A (ja) * | 1990-05-16 | 1992-01-24 | Aloka Co Ltd | 携帯用中性子線量当量計 |
US5567944A (en) * | 1995-04-28 | 1996-10-22 | University Of Cincinnati | Compton camera for in vivo medical imaging of radiopharmaceuticals |
JP2001004754A (ja) | 1999-06-22 | 2001-01-12 | Mitsubishi Electric Corp | 放射線検出器および放射線検出器の試験方法 |
JP2001221860A (ja) * | 1999-11-29 | 2001-08-17 | Mitsubishi Electric Corp | 放射線施設の線量当量評価方法、線量当量を評価するコンピュータプログラムを記録した記録媒体および線量当量評価装置 |
AU2003250429A1 (en) * | 2002-09-18 | 2004-04-08 | Koninklijke Philips Electronics N.V. | Radiation detector |
DE102006006411A1 (de) * | 2006-02-09 | 2007-08-16 | Friedrich-Alexander-Universität Erlangen-Nürnberg | Anordnungen und Verfahren zur Bestimmung von Dosismessgrößen und zur Ermittlung von Energieinformation einfallender Strahlung aus Photonen oder geladenen Teilchen mit zählenden Detektoreinheiten |
CN101861529B (zh) * | 2007-10-04 | 2013-06-19 | 丹麦技术大学 | 用于检测能量在150eV至300keV范围内的粒子辐射的检测器以及具有这种检测器的材料映像装置 |
DE102007054927B3 (de) * | 2007-11-15 | 2009-07-30 | Gsi Helmholtzzentrum Für Schwerionenforschung Gmbh | Ortsdosimeter zur Messung der Umgebungsäquivalentdosis von Photonenstrahlung und Verfahren zum Auslesen |
JP2010085259A (ja) * | 2008-09-30 | 2010-04-15 | Fujifilm Corp | 放射線検出装置及び放射線撮影システム |
US8183535B2 (en) * | 2009-02-11 | 2012-05-22 | Mats Danielsson | Silicon detector assembly for X-ray imaging |
WO2010141583A2 (en) * | 2009-06-02 | 2010-12-09 | Mayo Foundation For Medical Education And Research | System and method for dose verification radiotherapy |
-
2013
- 2013-05-20 IN IN10855DEN2014 patent/IN2014DN10855A/en unknown
- 2013-05-20 US US14/405,905 patent/US20150153461A1/en not_active Abandoned
- 2013-05-20 EP EP13800595.4A patent/EP2860552B1/en active Active
- 2013-05-20 WO PCT/JP2013/063961 patent/WO2013183434A1/ja active Application Filing
- 2013-05-20 CN CN201380029905.5A patent/CN104335071B/zh active Active
- 2013-05-20 JP JP2014519906A patent/JP6241888B2/ja active Active
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Publication number | Publication date |
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CN104335071B (zh) | 2016-09-28 |
CN104335071A (zh) | 2015-02-04 |
EP2860552A4 (en) | 2016-02-24 |
EP2860552B1 (en) | 2020-09-23 |
US20150153461A1 (en) | 2015-06-04 |
WO2013183434A1 (ja) | 2013-12-12 |
JPWO2013183434A1 (ja) | 2016-01-28 |
EP2860552A1 (en) | 2015-04-15 |
IN2014DN10855A (ja) | 2015-09-11 |
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