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1. 发明申请

US20120161609A1 VACUUM ULTRAVIOLET LIGHT EMITTING DEVICE 审中-公开
标题翻译：真空紫外线发光装置
公开(公告)号：US20120161609A1
公开(公告)日：2012-06-28
申请号：US13394521
申请日：2010-09-06
申请人： Shingo Ono , Toshihisa Suyama , Kentaro Fukuda , Sumito Ishizu , Noriaki Kawaguchi , Tomohito Nagami , Akira Yoshikawa , Takayuki Yanagida , Yui Yokota
发明人： Shingo Ono , Toshihisa Suyama , Kentaro Fukuda , Sumito Ishizu , Noriaki Kawaguchi , Tomohito Nagami , Akira Yoshikawa , Takayuki Yanagida , Yui Yokota
IPC分类号： H01J63/04
CPC分类号： H05B33/14 , C09K11/7773 , H01J29/20 , H01J63/06 , H05B33/145
摘要： A vacuum ultraviolet light emitting device comprising: a luminescence substrate which is composed of a transparent substrate of lithium fluoride, magnesium fluoride, calcium fluoride, barium fluoride or the like, and a metal fluoride thin-film layer formed on the transparent substrate and being a thin-film layer of a metal fluoride such as LuLiF4, LaF3, BaF2 or CaF2, the metal fluoride being doped with atoms of neodymium (Nd), thulium (Tm), erbium (Er) or the like; and an electron beam source such as a thermionic emission gun or a field emission gun, wherein the luminescence substrate and the electron beam source are disposed in a vacuum atmosphere, and the metal fluoride thin-film layer is irradiated with electron beams from the electron beam source to emit light including wavelength components of vacuum ultraviolet light.
摘要翻译：一种真空紫外线发光装置，其特征在于，具备：由氟化锂，氟化镁，氟化钙，氟化钡等的透明基板和形成在所述透明基板上的金属氟化物薄膜层构成的发光基板，诸如LuLiF4，LaF3，BaF2或CaF2的金属氟化物的薄膜层，金属氟化物掺杂有钕（Nd），ium（Tm），铒（Er）等原子; 以及诸如热电子发射枪或场发射枪的电子束源，其中发光基板和电子束源设置在真空气氛中，并且金属氟化物薄膜层被来自电子束的电子束照射源发射包括真空紫外光的波长分量的光。

2. 发明申请

US20110122400A1 ULTRAVIOLET LIGHT RECEIVING ELEMENT AND METHOD FOR MEASURING DOSE OF ULTRAVIOLET RADIATION 审中-公开
标题翻译： ULTRAVIOLET光接收元件和测量超紫外线辐射剂量的方法
公开(公告)号：US20110122400A1
公开(公告)日：2011-05-26
申请号：US13054763
申请日：2009-07-29
申请人： Shingo Ono , Noriaki Kawaguchi , Kentaro Fukuda , Toshihisa Suyama
发明人： Shingo Ono , Noriaki Kawaguchi , Kentaro Fukuda , Toshihisa Suyama
IPC分类号： G01N21/33
CPC分类号： H01L31/09 , G01J1/429 , H01L31/032
摘要： [Problems to be Solved] To provide a novel ultraviolet light receiving element which is selectively sensitive to ultraviolet radiation, and a method for measuring the dose of ultraviolet radiation using the ultraviolet light receiving element.[Means to Solve the Problems] An ultraviolet detecting layer composed of a thin film of a metal fluoride, such as cerium fluoride, lithium fluoride, magnesium fluoride or calcium fluoride, is formed on a substrate of silica glass, sapphire or the like. Further, at least a pair of an anode and a cathode are formed on the ultraviolet detecting layer to prepare an ultraviolet light receiving element. This ultraviolet light receiving element changes in electric resistivity in accordance with the dose of incident ultraviolet radiation. Thus, the dose of ultraviolet radiation can be measured by taking out and measuring the change as an electric signal.
摘要翻译： [待解决的问题]提供对紫外线照射选择敏感的新颖的紫外线光接收元件以及使用紫外光接收元件测量紫外线辐射剂量的方法。解决问题的方法在二氧化硅玻璃，蓝宝石等的基板上形成紫外线检测层，该层由金属氟化物如氟化铈，氟化锂，氟化镁，氟化钙等薄膜构成。此外，在紫外线检测层上形成至少一对阳极和阴极，以制备紫外光接收元件。该紫外光接收元件根据入射紫外线辐射的剂量而改变电阻率。因此，可以通过取出并测量作为电信号的变化来测量紫外线辐射的剂量。

3. 发明授权

US08044367B2 Scintillator for neutron detection and neutron detector 有权
标题翻译：用于中子检测和中子检测器的闪烁体
公开(公告)号：US08044367B2
公开(公告)日：2011-10-25
申请号：US12866863
申请日：2009-03-17
申请人： Akira Yoshikawa , Takayuki Yanagida , Kentaro Fukuda , Sumito Ishizu , Noriaki Kawaguchi , Toshihisa Suyama
发明人： Akira Yoshikawa , Takayuki Yanagida , Kentaro Fukuda , Sumito Ishizu , Noriaki Kawaguchi , Toshihisa Suyama
IPC分类号： G01T3/06
CPC分类号： G01T3/06 , C09K11/645 , G21K4/00
摘要： A scintillator for neutron detection, comprising a metal fluoride crystal containing, as constituent elements, a metal having a valence of 2 or higher, such as calcium, aluminum or yttrium; lithium; and fluorine, the metal fluoride crystal containing 1.1 to 20 atoms per unit volume (atoms/nm3) of 6Li, having an effective atomic number of 10 to 40, containing a lanthanoid such as cerium, praseodymium or europium, and being represented by, for instance, LiCaAlF6, LiSrAlF6 and LiYF4. The scintillator for neutron detection has high sensitivity to neutron rays, and is reduced in a background noise attributed to γ rays.
摘要翻译：一种用于中子检测的闪烁体，其包含金属氟化物晶体，其含有价态为2以上的金属如钙，铝或钇作为构成元素; 锂; 和氟，含有每单位体积（原子/ nm 3）为1〜20个原子的6Li的金属氟化物结晶，其有效原子序数为10〜40，含有镧系元素，例如铈，镨或铕，由 LiCaAlF6，LiSrAlF6和LiYF4。用于中子检测的闪烁体对中子射线具有高灵敏度，并且在归因于γ射线的背景噪声中降低。

4. 发明申请

US20130320217A1 NEUTRON DETECTION DEVICE 审中-公开
标题翻译：中子检测装置
公开(公告)号：US20130320217A1
公开(公告)日：2013-12-05
申请号：US13985963
申请日：2012-03-08
申请人： Noriaki Kawaguchi , Kentaro Fukuda , Toshihisa Suyama , Akira Yoshikawa , Takayuki Yanagida , Yui Yokota , Yutaka Fujimoto
发明人： Noriaki Kawaguchi , Kentaro Fukuda , Toshihisa Suyama , Akira Yoshikawa , Takayuki Yanagida , Yui Yokota , Yutaka Fujimoto
IPC分类号： G01T3/06
CPC分类号： G01T3/06 , C09K11/7733 , C09K11/7734 , C30B15/00 , C30B29/12 , G21K4/00
摘要： The present invention is a neutron detection device comprising a neutron detection scintillator composed of a colquiriite-type fluoride single crystal, and a silicon photodiode, characterized in that the single crystal contains only Eu as a lanthanoid and contains 0.80 atom/nm3 or more of 6Li, the content of Eu is 0.0025 to 0.05 mol %, and the thickness of the scintillator exceeds 1 mm. The present invention provides a neutron detection device which has a sufficiently high neutron detection efficiency, is equipped with a neutron detection unit minimally affected by gamma rays, and is compact as a whole and lightweight.
摘要翻译：本发明是一种中子检测装置，其特征在于，包括由阴离子型氟化物单晶构成的中子检测用闪烁体和硅光电二极管，其特征在于，所述单晶仅含有作为镧系元素的Eu，并含有0.30原子/ nm 3以上的6Li ，Eu的含量为0.0025〜0.05摩尔％，闪烁体的厚度超过1mm。本发明提供了具有足够高的中子检测效率的中子检测装置，其具有最少受伽马射线影响的中子检测单元，并且整体紧凑且重量轻。

5. 发明申请

US20130105707A1 RADIATION DETECTOR 审中-公开
标题翻译：辐射探测器
公开(公告)号：US20130105707A1
公开(公告)日：2013-05-02
申请号：US13809460
申请日：2011-07-20
申请人： Hiromitsu Takahashi , Mitsuo Yonetani , Masayuki Matsuoka , Yasushi Fukazawa , Noriaki Kawaguchi , Kentaro Fukuda , Toshihisa Suyama , Akira Yoshikawa , Takayuki Yanagida , Yui Yokota , Yutaka Fujimoto
发明人： Hiromitsu Takahashi , Mitsuo Yonetani , Masayuki Matsuoka , Yasushi Fukazawa , Noriaki Kawaguchi , Kentaro Fukuda , Toshihisa Suyama , Akira Yoshikawa , Takayuki Yanagida , Yui Yokota , Yutaka Fujimoto
IPC分类号： H01L31/0232
CPC分类号： H01L31/02322 , C09K11/06 , C09K11/7734 , C30B15/00 , C30B15/08 , C30B29/12 , G01T1/2018
摘要： [Problems to be Solved] A radiation detector, which is improved in the detection efficiency of a photodetector for light emitted by a scintillator, which has excellent long-term operational stability, and which is excellent in time resolution and count rate characteristics, is provided with the use of the scintillator with a short fluorescence lifetime.[Means to Solve the Problems] A radiation detector is constructed by installing an optical wavelength conversion layer, which is composed of, for example, an organic fluorescent substance using polyvinyltoluene as a base material, between a scintillator composed of a fluoride single crystal, such as a Ce-containing LiCaAlF6 crystal, and a photodetector having a light entrance window material composed of a transparent glass material such as borosilicate glass. In the radiation detector, the peak wavelength of light emitted by the scintillator is 360 nm or less, and the peak wavelength of light after conversion by the optical conversion layer is 400 nm or more. Preferably, the refractive indexes of the scintillator and the optical wavelength conversion layer are both 1.35 to 1.65.
摘要翻译： [待解决的问题]提供了具有优异的长期操作稳定性并且具有优异的时间分辨率和计数率特性的用于由闪烁体发出的光的光检测器的检测效率提高的放射线检测器使用具有短荧光寿命的闪烁体。解决问题的手段放射线检测器是通过将由例如以聚乙烯基甲苯为基础的有机荧光物质构成的光波长转换层安装在由氟化物单晶构成的闪烁体之间，作为含Ce的LiCaAlF 6晶体，以及具有由透明玻璃材料如硼硅酸盐玻璃构成的光入射窗材料的光电检测器。在放射线检测器中，由闪烁器发出的光的峰值波长为360nm以下，光转换层转换后的光的峰值波长为400nm以上。优选地，闪烁体和光波长转换层的折射率均为1.35〜1.65。

6. 发明申请

US20120286204A1 METAL FLUORIDE CRYSTAL, VACUUM ULTRAVIOLET LIGHT EMITTING ELEMENT, AND VACUUM ULTRAVIOLET LIGHT EMITTING SCINTILLATOR 审中-公开
标题翻译：金属氟化物晶体，真空紫外线发光元件和真空超紫外线发光扫描仪
公开(公告)号：US20120286204A1
公开(公告)日：2012-11-15
申请号：US13519040
申请日：2010-12-22
申请人： Noriaki Kawaguchi , Sumito Ishizu , Kentaro Fukuda , Toshihisa Suyama , Akira Yoshikawa , Takayuki Yanagida , Yui Yokota , Naoto Abe
发明人： Noriaki Kawaguchi , Sumito Ishizu , Kentaro Fukuda , Toshihisa Suyama , Akira Yoshikawa , Takayuki Yanagida , Yui Yokota , Naoto Abe
IPC分类号： C09K11/85
CPC分类号： C30B29/12 , C09K11/7773 , C30B15/08 , G21K4/00
摘要： [Problems to be Solved] A fluoride which emits light with high brightness in a vacuum ultraviolet region is provided. Also provided are a novel vacuum ultraviolet light emitting element which comprises the fluoride and which can be suitably used in photolithography, cleaning of a semiconductor or liquid crystal substrate, sterilization, next-generation large-capacity optical disks, medical care (ophthalmologic treatment, DNA cleavage), etc.; and a vacuum ultraviolet light emitting scintillator which is composed of the fluoride and can be suitably used in a small-sized radiation detector incorporating a diamond light receiving element or AlGaN light receiving element with a low background noise as an alternative to a conventional photomultiplier tube.[Means to Solve the Problems] A metal fluoride crystal represented by a chemical formula K3-XNaXTmYZLuY(1-Z)F3+3Y where 0.7
摘要翻译： [待解决的问题]提供了在真空紫外区域中发出高亮度的光的氟化物。还提供了一种新颖的真空紫外光发射元件，其包含氟化物，其可以适用于光刻，半导体或液晶基板的清洁，灭菌，下一代大容量光盘，医疗护理（眼科治疗，DNA 切割）等; 以及由氟化物组成的真空紫外光发射闪烁体，可以适用于具有低背景噪声的金刚石光接收元件或AlGaN光接收元件的小型辐射检测器，作为常规光电倍增管的替代。 [解决问题的手段]以化学式K3-XNaXTmYZLuY（1-Z）F3 + 3Y表示的金属氟化物晶体，其中0.7

7. 发明申请

US20120018642A1 RADIOGRAPHIC IMAGE DETECTOR 审中-公开
标题翻译：放射影像检测器
公开(公告)号：US20120018642A1
公开(公告)日：2012-01-26
申请号：US13256594
申请日：2010-03-19
申请人： Kentaro Fukuda , Sumito Ishizu , Noriaki Kawaguchi , Toshihisa Suyama , Akira Yoshikawa , Takayuki Yanagida , Yui Yokota , Hidetoshi Kubo , Toru Tanimori , Hiroyuki Sekiya
发明人： Kentaro Fukuda , Sumito Ishizu , Noriaki Kawaguchi , Toshihisa Suyama , Akira Yoshikawa , Takayuki Yanagida , Yui Yokota , Hidetoshi Kubo , Toru Tanimori , Hiroyuki Sekiya
IPC分类号： G01T1/202 , G01T1/20
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γ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成紫外线的组合; 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。

8. 发明申请

US20100314550A1 SCINTILLATOR FOR NEUTRON DETECTION AND NEUTRON DETECTOR 有权
标题翻译：用于中性检测和中性检测器的扫描仪
公开(公告)号：US20100314550A1
公开(公告)日：2010-12-16
申请号：US12866863
申请日：2009-03-17
申请人： Akira Yoshikawa , Takayuki Yanagida , Kentaro Fukuda , Sumito Ishizu , Noriaki Kawaguchi , Toshihisa Suyama
发明人： Akira Yoshikawa , Takayuki Yanagida , Kentaro Fukuda , Sumito Ishizu , Noriaki Kawaguchi , Toshihisa Suyama
IPC分类号： G01T3/06 , G01T1/202 , C30B11/02
CPC分类号： G01T3/06 , C09K11/645 , G21K4/00
摘要： To provide a scintillator for neutron detection which has high sensitivity to neutron rays, and is reduced in a background noise attributed to γ rays.[Means to Solve the Problems] A scintillator for neutron detection, comprising a metal fluoride crystal containing, as constituent elements, a metal having a valence of 2 or higher, such as calcium, aluminum or yttrium; lithium; and fluorine, the metal fluoride crystal containing 1.1 to 20 atoms per unit volume (atoms/nm3) of 6Li, having an effective atomic number of 10 to 40, containing a lanthanoid such as cerium, praseodymium or europium, and being represented by LiCaAlF6, LiSrAlF6, LiYF4 etc.
摘要翻译：提供对中子射线具有高灵敏度的中子检测用闪烁体，并且由于γ射线引起的背景噪声降低。解决问题的手段一种用于中子检测的闪烁体，其包含含有2价以上的金属如钙，铝或钇作为构成元素的金属氟化物晶体; 锂; 氟，氟化物晶体，每单位体积（原子/ nm 3）为1〜20原子，6Li，有效原子数为10〜40，含有铈，镨，铕等镧系元素，由LiCaAlF6， LiSrAlF6，LiYF4等

9. 发明授权

US08642972B2 Neutron scintillator and neutron detector 有权
标题翻译：中子闪烁体和中子探测器
公开(公告)号：US08642972B2
公开(公告)日：2014-02-04
申请号：US13695088
申请日：2011-04-26
申请人： Kentaro Fukuda , Sumito Ishizu , Noriaki Kawaguchi , Toshihisa Suyama , Akira Yoshikawa , Takayuki Yanagida , Yui Yokota
发明人： Kentaro Fukuda , Sumito Ishizu , Noriaki Kawaguchi , Toshihisa Suyama , Akira Yoshikawa , Takayuki Yanagida , Yui Yokota
IPC分类号： G01T3/06
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/γ 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.
摘要翻译： [待解决的问题]提供了中子检测效率和n /γ辨别能力优异的中子闪烁体和使用中子闪烁体的中子检测器。 [解决问题的手段]包含由层状氟化锂晶体和层状氟化钙晶体构成的共晶体的中子闪烁体，层状交替排列，共晶体中的氟化锂晶体层的厚度为0.1〜5μm; 或包含交替排列成层状氟化锂晶体和层状氟化钙晶体的共晶体的中子闪烁体，所述共晶体中的氟化钙晶体层在至少一个方向上呈线性连续; 以及基本由中子闪烁体和光电检测器构成的中子探测器。

10. 发明申请

US20130327946A1 Scintillator for Neutron Detection, and Neutron Radiation Detector 审中-公开
标题翻译：用于中子检测的闪烁体和中子辐射检测器
公开(公告)号：US20130327946A1
公开(公告)日：2013-12-12
申请号：US14001181
申请日：2012-02-24
申请人： Noriaki Kawaguchi , Kentaro Fukuda , Toshihisa Suyama , Akira Yoshikawa , Takayuki Yanagida , Yui Yokota , Yutaka Fujimoto
发明人： Noriaki Kawaguchi , Kentaro Fukuda , Toshihisa Suyama , Akira Yoshikawa , Takayuki Yanagida , Yui Yokota , Yutaka Fujimoto
IPC分类号： G01T3/06
CPC分类号： G01T3/06 , C09K11/613 , C09K11/7732 , C30B15/00 , C30B29/12 , G21K4/00
摘要： A novel scintillator for neutron detection is capable of increasing the probability of inducing a nuclear reaction using epithermal neutrons having higher energy than thermal neutrons as a result of increasing thickness in the direction of incidence of neutron radiation. A scintillator for neutron detection includes a colquiriite-type fluoride single crystal containing europium, containing 0.0025 mol % or more and less than 0.05 mol % europium, containing 0.80 atom/nm3 or more 6Li, and being shaped such that the thickness in the thickest part exceeds 1 mm.
摘要翻译：用于中子检测的新颖的闪烁体能够增加使用具有比热中子更高的能量的超热中子引起核反应的可能性，这是由于中子辐射入射方向上的厚度增加的结果。用于中子检测的闪烁体包括含有0.0025摩尔％以上且小于0.05摩尔％的含有0.80原子/ nm 3以上6Li的铕的含有铕的扁桃体型氟化物单晶，并且成形为使得最厚部分超过1毫米。

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