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1. 发明授权

EP2565682B1 SCINTILLATOR FOR NEUTRONS AND NEUTRON DETECTOR 有权
公开(公告)号：EP2565682B1
公开(公告)日：2018-05-23
申请号：EP11775005.9
申请日：2011-04-26
申请人： Tokuyama Corporation , Tohoku University
发明人： FUKUDA, Kentaro , ISHIZU, Sumito , KAWAGUCHI, Noriaki , SUYAMA, Toshihisa , YOSHIKAWA, Akira , YANAGIDA, Takayuki , YOKOTA, Yui
IPC分类号： G01T3/06 , C09K11/00 , C09K11/61
CPC分类号： G01T3/06 , C09K11/7733 , G21K4/00
摘要： [Problems to be Solved] A neutron scintillator excellent in neutron detection efficiency and n/³ discrimination ability, and a neutron detector using the neutron scintillator are provided. [Means to Solve the Problems] A neutron scintillator comprising a eutectic body composed of laminar lithium fluoride crystals and laminar calcium fluoride crystals alternately arranged in layers, the thickness of the lithium fluoride crystal layers in the eutectic body being 0.1 to 5 µm; or a neutron scintillator comprising a eutectic body composed of laminar lithium fluoride crystals and laminar calcium fluoride crystals alternately arranged in layers, the calcium fluoride crystal layers in the eutectic body being linearly continuous in at least one direction; and a neutron detector basically constructed from any of the neutron scintillators and a photodetector.

2. 发明公开

EP2653517A1 SCINTILLATOR FOR NEUTRONS, AND NEUTRON DETECTOR 有权
标题翻译：新疆维吾尔自治区中东地区
公开(公告)号：EP2653517A1
公开(公告)日：2013-10-23
申请号：EP11848688.5
申请日：2011-12-15
申请人： Tokuyama Corporation , Tohoku University
发明人： YAMANE, Hisanori , KAWANO, Tetsuya , YOSHIKAWA, Akira , YANAGIDA, Takayuki , YOKOTA, Yui , FUJIMOTO, Yutaka , FUKUDA, Kentaro , KAWAGUCHI, Noriaki
IPC分类号： C09K11/00 , C09K11/63 , C09K11/68 , G01T3/06
CPC分类号： C09K11/57 , C04B35/01 , C04B2235/3203 , C04B2235/3206 , C04B2235/3241 , C04B2235/3262 , C04B2235/3272 , C04B2235/3275 , C04B2235/3279 , C04B2235/3281 , C04B2235/3284 , C04B2235/3409 , C04B2235/658 , C04B2235/76 , C04B2235/77 , C09K11/63 , G01T3/06 , G21K4/00
摘要： Provided is a scintillator for neutrons that allows the detection of neutrons with superb sensitivity and that is little affected by background noise derived from γ-rays, and a neutron detector that uses the neutron scintillator.
The scintillator for neutrons comprises borate that contains at least Mg and a divalent transition element.
摘要翻译：提供了一种用于中子的闪烁体，其允许以极高的灵敏度检测中子，并且几乎不受来自三射线的背景噪声的影响，以及使用中子闪烁体的中子检测器。用于中子的闪烁体包含含有至少Mg和二价过渡元素的硼酸盐。

3. 发明公开

EP2636646A1 METAL FLUORIDE EUTECTIC, SCINTILLATOR FOR NEUTRONS, AND NEUTRON IMAGING DEVICE 有权
标题翻译： EUTEKTISCHERMETALLFLUORIDKÖRPER，NEUTRONENSZINTILLATOR UND NEUTRONENABBILDUNGSVORRICHTUNG
公开(公告)号：EP2636646A1
公开(公告)日：2013-09-11
申请号：EP11838045.0
申请日：2011-11-01
申请人： Tokuyama Corporation , Tohoku University
发明人： FUKUDA, Kentaro , KAWAGUCHI, Noriaki , YOSHIKAWA, Akira , YANAGIDA, Takayuki , YOKOTA, Yui , FUJIMOTO, Yutaka
IPC分类号： C01F11/22 , C09K11/00 , C09K11/61 , G01T1/202 , G01T3/06
CPC分类号： C09K11/616 , C09K11/772 , C30B21/00 , C30B29/12 , G01T3/06 , G21K4/00 , G21K2004/06
摘要： [Problems to be Solved] A neutron scintillator excellent in detection efficiency for neutrons, an S/N ratio, and n/γ discrimination ability, and a eutectic preferred for the neutron scintillator are provided.
[Means to Solve the Problems] A metal fluoride eutectic, in which a lithium fluoride crystal phase and a crystal phase represented by the chemical formula Ca 1-x Sr x F 2 (where x denotes a number greater than 0, but not larger than 1), such as SrF 2 or Ca 0.5 Sr 0.5 F 2 , are present in a phase-separated state; a neutron scintillator comprising the eutectic; and a neutron imaging device comprising a combination of the neutron scintillator and a position-sensitive photomultiplier tube.
摘要翻译： [待解决的问题]提供了对中子的检测效率优异，S / N比和n /³辨别能力优异的中子闪烁体以及中子闪烁体优选的共晶体。 [解决问题的方法]一种金属氟化物共晶，其中氟化锂结晶相和由化学式Ca 1-x Sr x F 2表示的结晶相（其中x表示大于0，但不大于 1）如SrF 2或Ca 0.5 Sr 0.5 F 2以相分离的状态存在; 包含共晶的中子闪烁体; 以及包括中子闪烁体和位置敏感光电倍增管的组合的中子成像装置。

4. 发明公开

EP2597490A1 PHOSWICH THERMAL NEUTRON DETECTOR 审中-公开
标题翻译： PHOSWICH-WÄRMENEUTRONENDETEKTOR
公开(公告)号：EP2597490A1
公开(公告)日：2013-05-29
申请号：EP11809676.7
申请日：2011-07-20
申请人： Hiroshima University , Tokuyama Corporation , Tohoku University
发明人： TAKAHASHI, Hiromitsu , YONETANI, Mitsuo , MATSUOKA, Masayuki , FUKAZAWA, Yasushi , KAWAGUCHI, Noriaki , FUKUDA, Kentaro , SUYAMA, Toshihisa , YOSHIKAWA, Akira , YANAGIDA, Takayuki , YOKOTA, Yui , FUJIMOTO, Yutaka
IPC分类号： G01T3/06 , C09K11/00 , C09K11/64 , G01T1/202
CPC分类号： C09K11/7734 , C30B15/00 , C30B29/12 , G01T1/2008 , G01T3/06 , G21K4/00
摘要： [Problems to be Solved] A phoswich radiation detector, which can easily discriminate between detection signals on gamma rays and thermal neutrons, and which can selectively acquire signals on thermal neutrons, is provided.
[Means to Solve the Problems] In a phoswich radiation detector having two scintillators and discriminating between thermal neutrons and gamma rays, the detector comprises a scintillator for detecting thermal neutrons, such as LiCaAlF 6 :Eu, which has a light yield of more than 1500 photons/neutron, and a scintillator for detecting gamma rays, which has a permeable end on a shorter wavelength than the light emission wavelength of the thermal neutron scintillator. The scintillator for detecting gamma rays is characterized by being either an organic solid scintillator, such as a plastic scintillator, which does not contain a total amount of 10 mol% or more of elements selected from 6 Li, 10 B and Gd, or an inorganic single crystal scintillator, such as lithium glass (containing 6 Li and Ce) or BGO, which has an effective atomic number Z eff of 30 or larger and which does not contain a total amount of 10 mol% or more of elements selected from 6 Li, 10 B and Gd.
摘要翻译： [待解决的问题]提供了一种能够容易地区分伽马射线和热中子的检测信号并且可以选择性地获取热中子信号的棱镜辐射检测器。 [解决问题的手段]在具有两个闪烁体并且识别热中子和伽马射线的双射线辐射检测器中，检测器包括用于检测热中子的闪烁体，例如LiCaAlF 6：Eu，其光产量大于1500 光子/中子和用于检测伽马射线的闪烁体，其具有比热中子闪烁体的发光波长更短的波长的可渗透端。用于检测γ射线的闪烁体的特征在于是有机固体闪烁体，例如塑料闪烁体，其不含总量为10mol％或更多的选自6Li，10B和Gd的元素，或无机物单晶闪烁体，如具有30或更大的有效原子数Z eff的锂玻璃（含6 Li和Ce）或BGO，不含总量为10mol％以上的元素，选自6Li ，10 B和Gd。

5. 发明公开

EP2416176A1 RADIOGRAPHIC IMAGE DETECTOR 审中-公开
标题翻译： RÖNTGENBILDDETEKTOR
公开(公告)号：EP2416176A1
公开(公告)日：2012-02-08
申请号：EP10758456.7
申请日：2010-03-19
申请人： Tokuyama Corporation , Tohoku University , Kyoto University , The University of Tokyo
发明人： FUKUDA, Kentaro , ISHIZU, Sumito , KAWAGUCHI, Noriaki , SUYAMA, Toshihisa , YOSHIKAWA, Akira , YANAGIDA, Takayuki , YOKOTA, Yui , KUBO, Hidetoshi , TANIMORI, Toru , SEKIYA, Hiroyuki
IPC分类号： G01T1/18 , G01T1/20 , H01J31/50
CPC分类号： G01T1/28 , H01J31/49 , H01J47/02
摘要： [Problems to be Solved] It is an object of the present invention to provide a novel radiographic image detector which can detect radiation, such as hard X-rays or γ-rays, with high sensitivity and which is excellent in position resolution and count rate characteristic.
[Means to Solve the Problems] A radiographic image detector comprises a combination of a scintillator, such as a lanthanum fluoride crystal containing neodymium, for converting incident radiation into ultraviolet rays; and a gas multiplication ultraviolet image detector for converting ultraviolet rays into electrons, amplifying such electrons by use of a gas electron avalanche phenomenon, and detecting the electrons. The radiographic image detector is characterized in that the gas multiplication ultraviolet image detector is basically constituted by a photoelectric conversion substance, such as cesium iodide or cesium telluride, for converting ultraviolet rays into electrons; a gas electron multiplier for amplifying electrons by use of the gas electron avalanche phenomenon; and a pixel electrode having an amplification function and a detection function.
摘要翻译： [待解决的问题]本发明的目的是提供一种能够以高灵敏度检测诸如硬X射线或³射线等辐射的新型放射线图像检测器，其位置分辨率和计数率优异特性。解决问题的手段放射线图像检测器包括闪烁体，例如含有钕的氟化镧晶体，用于将入射辐射转换为紫外线的组合; 以及用于将紫外线转换成电子的气体倍增紫外线图像检测器，利用气体电子雪崩现象来放大这些电子，并检测电子。射线照相图像检测器的特征在于，气相色谱紫外图像检测器基本上由诸如碘化铯或碲化铯的光电转换物质构成，用于将紫外线转换成电子; 用于通过使用气体电子雪崩现象来放大电子的气体电子倍增器; 以及具有放大功能和检测功能的像素电极。

6. 发明公开

EP2112529A1 RADIATION DETECTOR AND METHOD FOR DETECTING RADIATION 审中-公开
标题翻译： STRAHLUNGSDETEKTOR UND STRAHLUNGSDETEKTIONSVERFAHREN
公开(公告)号：EP2112529A1
公开(公告)日：2009-10-28
申请号：EP08720793.2
申请日：2008-02-15
申请人： Tokuyama Corporation , The University of Tokyo , Tohoku University
发明人： TAKAHASHI, Hiroyuki , YOSHIKAWA, Akira , SIMURA, Rayko , FUKUDA, Kentaro , SUYAMA, Toshihisa
IPC分类号： G01T1/185 , G01T1/20 , G01T1/202
CPC分类号： G01T1/2935
摘要： A radiation detection apparatus comprising a scintillator composed of a lanthanum fluoride crystal containing neodymium or a lithium barium fluoride crystal containing neodymium, for converting incident radiation into ultraviolet ray and a micro-strip gas chamber for converting the incident ultraviolet ray into an electric signal and capable of extracting the radiation as an electric signal.
The radiation detection apparatus which has excellent spatial resolution and can detect even a high-energy photon at high sensitivity is provided at low cost.
摘要翻译：一种辐射检测装置，包括由含有钕的氟化镧晶体或含有钕的氟化锂的晶体组成的闪烁体，用于将入射的辐射转换为紫外线;以及微带气体室，用于将入射的紫外线转换为电信号，提取辐射作为电信号。具有优异的空间分辨率并且甚至可以以高灵敏度检测高能量光子的辐射检测装置以低成本提供。

7. 发明授权

EP2636647B1 METAL FLUORIDE EUTECTIC BODY AND NEUTRON SCINTILLATOR 有权
标题翻译：金属氟化物共晶体和中子闪烁体
公开(公告)号：EP2636647B1
公开(公告)日：2017-06-28
申请号：EP11838044.3
申请日：2011-11-01
申请人： Tokuyama Corporation , Tohoku University
发明人： FUKUDA, Kentaro , KAWAGUCHI, Noriaki , YOSHIKAWA, Akira , YANAGIDA, Takayuki , YOKOTA, Yui , FUJIMOTO, Yutaka
IPC分类号： C01F17/00 , C01D3/02 , C01F11/22 , C09K11/00 , C09K11/61 , G01T3/06 , G21K4/00 , C30B29/12 , C01D15/04 , C30B21/00 , C09K11/77
CPC分类号： C09K11/616 , C01D15/04 , C01F11/22 , C09K11/772 , C30B21/00 , C30B29/12 , G01T3/06 , G21K4/00 , G21K2004/06 , Y10T428/24975

8. 发明授权

EP2256177B1 SCINTILLATOR FOR NEUTRON DETECTION AND NEUTRON DETECTOR 有权
标题翻译：闪烁的中子检测和中子探测器
公开(公告)号：EP2256177B1
公开(公告)日：2016-01-13
申请号：EP09725054.2
申请日：2009-03-17
申请人： Tokuyama Corporation , Tohoku University
发明人： YOSHIKAWA, Akira , YANAGIDA, Takayuki , FUKUDA, Kentaro , ISHIZU, Sumito , KAWAGUCHI, Noriaki , SUYAMA, Toshihisa
IPC分类号： C09K11/61 , C09K11/00 , C09K11/85 , G01T1/20 , G01T1/202 , G01T3/06 , G21K4/00
CPC分类号： G01T3/06 , C09K11/645 , G21K4/00

9. 发明公开

EP2843088A1 METAL FLUORIDE CRYSTAL, LIGHT EMITTING ELEMENT, SCINTILLATOR, METHOD FOR DETECTING NEUTRONS, AND METHOD FOR PRODUCING METAL FLUORIDE CRYSTAL 审中-公开
标题翻译：金属氟化物结晶，发光元件闪烁体METHOD FOR中子用于生产金属氟化物结晶DETECTION AND METHOD
公开(公告)号：EP2843088A1
公开(公告)日：2015-03-04
申请号：EP13782368.8
申请日：2013-04-18
申请人： Tokuyama Corporation , Tohoku University
发明人： ISHIZU, Sumito , FUKUDA, Kentaro , KAWAGUCHI, Noriaki , YOSHIKAWA, Akira , YANAGIDA, Takayuki , YOKOTA, Yui , FUJIMOTO, Yutaka
IPC分类号： C30B29/12 , C01F17/00 , C09K11/00 , C09K11/61 , G01T1/20 , G01T3/06
CPC分类号： C09K11/7733 , C30B15/08 , C30B29/12 , G01T3/06 , G21K4/00
摘要： [Object] To provide: a metal fluoride crystal which has a large amount of light emission; a method for producing the metal fluoride crystal; a light emitting element; a scintillator; and a method for detecting neutrons with use of the metal fluoride crystal.
[Solving Means] A light emitting element according to one embodiment of the present invention is configured of a metal fluoride crystal which is represented by chemical formula LiM 1 M 2 F 6 (wherein Li includes 6 Li; M 1 represents at least one alkaline earth metal element selected from among Mg, Ca, Sr and Ba; and M 2 represents at least one metal element selected from among Al, Ga and Sc), said metal fluoride crystal containing 0.02% by mole or more of Eu and having an Eu 2+ concentration of less than 0.01% by mole.
摘要翻译：本发明的课题提供：一种金属氟化物晶体具有大的发光量的; 用于制造金属氟化物结晶的方法; 一个发光元件; 闪烁; 和用于在使用该金属氟化物结晶的检测中子的方法。 [解决手段]发光元件雅丁到本发明的一个实施例的光被配置成在金属氟化物结晶的所有这是由化学式的LiM 1 M 2 F 6代表（worin李包括的6 Li，M 1个darstellt至少一种碱土选自Mg，Ca，Sr和Ba中选择的金属元素;和M 2 darstellt选自Al，Ga和Sc）中的至少一种金属元素，所述金属氟化物结晶含有12：02摩尔％或更多的Eu和具有与Eu 2 摩尔+小于0.01％的浓度。

10. 发明公开

EP2695928A1 SCINTILLATOR, RADIATION DETECTOR, AND METHOD FOR DETECTING RADIATION 有权
标题翻译：斯德哥尔摩公司（STRAHLUNGSDETEKTOR UND STRAHLUNGSDETEKTIONSVERFAHREN）
公开(公告)号：EP2695928A1
公开(公告)日：2014-02-12
申请号：EP12768181.5
申请日：2012-04-02
申请人： Tokuyama Corporation , Tohoku University
发明人： FUKUDA, Kentaro , KAWAGUCHI, Noriaki , YOSHIKAWA, Akira , YANAGIDA, Takayuki , YOKOTA, Yui
IPC分类号： C09K11/64 , C09K11/00 , G01T1/20 , G01T1/202 , G01T3/06
CPC分类号： C09K11/7733 , C09K11/772 , C09K11/7732 , G01T1/2023 , G01T3/06 , G21K4/00
摘要： The present invention aims at providing a scintillator for high temperature environments which has satisfactory light emission characteristics under high temperature environments; and a method for measuring radiation under high temperature environments. The scintillator for high temperature environments comprises a colquiriite-type crystal represented by the chemical formula LiM 1 M 2 X 6 (where M 1 is at least one alkaline earth metal element selected from Mg, Ca, Sr and Ba, M 2 is at least one metal element selected from Al, Ga and Sc, and X is at least one halogen element selected from F, Cl, Br and I), for example, typified by LiCaAlF 6 , and the crystal optionally containing a lanthanoid element such as Ce or Eu. The method for measuring radiation under high temperature environments uses the scintillator.
摘要翻译：本发明旨在提供一种在高温环境下具有令人满意的发光特性的高温环境的闪烁体; 以及在高温环境下测量辐射的方法。用于高温环境的闪烁体包括由化学式LiM 1 M 2 X 6（其中M 1是至少一种选自Mg，Ca，Sr和Ba的碱土金属元素，M 2至少为1 一种选自Al，Ga和Sc的金属元素，X是选自F，Cl，Br和I中的至少一种卤素元素），例如以LiCaAlF 6为代表的晶体，以及任选地含有镧系元素如Ce或欧洲联盟。在高温环境下测量辐射的方法使用闪烁体。

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