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公开(公告)号：US20130206996A1
公开(公告)日：2013-08-15
申请号：US13760461
申请日：2013-02-06
Applicant: TOKUYAMA CORPORATION , NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY , TOHOKU UNIVERSITY
Inventor： Kenichi WATANABE , Yuya KAWABATA , Atsushi YAMAZAKI , Akira URITANI , Tetsuo IGUCHI , Kentaro FUKUDA , Noriaki KAWAGUCHI , Sumito ISHIZU , Akira YOSHIKAWA , Takayuki YANAGIDA
IPC: G01T3/06
CPC classification number: G01T3/06 , C09K11/7733 , C30B29/12
Abstract: Provided is a scintillation neutron detector capable of measuring neutrons with precision even under a high amount of γ rays as background noise and excellent in neutron counting precision, the scintillation neutron detector comprising a neutron scintillator crystal containing 6Li, and the crystal having a specific surface area of no less than 60 cm2/cm3.
Abstract translation: 本发明提供一种闪烁中子检测器，其能够即使在大量伽马射线下也能够精确地测量中子，作为背景噪声和中子计数精度优异，所述闪烁中子检测器包括含有6Li的中子闪烁体晶体，并且具有比表面积 不小于60cm 2 / cm 3。
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Patent Agency Ranking
公开(公告)号：US20150307777A1
公开(公告)日：2015-10-29
申请号：US14651270
申请日：2013-12-11
Applicant: TOKUYAMA CORPORATION
Inventor： Kentaro FUKUDA , Noriaki KAWAGUCHI , Sumito ISHIZU
CPC classification number: C09K11/7734 , C09K11/7721 , G01T3/06
Abstract: A neutron scintillator composed of a resin composition comprising (A) an inorganic phosphor containing at least one neutron capture isotope selected from lithium 6 and boron 10 and (B) a resin, wherein the inorganic phosphor is a particle having a specific surface area of 50 to 3,000 cm2/cm3, and the internal transmittance based on 1 cm of the optical path length of the resin composition is 30%/cm or more at the emission wavelength of the inorganic phosphor.
Abstract translation: 一种由树脂组合物构成的中子闪烁体，其包含（A）含有选自锂6和硼10的至少一种中子捕获同位素的无机荧光体和（B）树脂，其中无机荧光体是比表面积为50的颗粒 至3,000cm 2 / cm 3，并且在无机磷光体的发射波长下，基于树脂组合物的光程长度的1cm的内部透射率为30％/ cm以上。
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公开(公告)号：US20240228428A1
公开(公告)日：2024-07-11
申请号：US18615802
申请日：2024-03-25
Applicant: TOKUYAMA CORPORATION
Inventor： Shoji TACHIBANA , Seiji TONO , Sumito ISHIZU , Yoshiaki YAMASHITA
IPC: C07C211/63
CPC classification number: C07C211/63
Abstract: A treatment liquid composition for semiconductor production including: a quaternary ammonium hydroxide; and a first organic solvent dissolving the quaternary ammonium hydroxide, the first organic solvent being a water-soluble organic solvent having a plurality of hydroxy groups, wherein a water content in the composition is no more than 1.0 mass % on the basis of the total mass of the composition; contents of Na, Mg, Al, K, Ca, Ti, Cr, Mn, Fe, Ni, Cu, and Zn in the composition are each no more than 100 mass ppb on the basis of the total mass of the composition; and a content of Cl in the composition is no more than 100 mass ppb on the basis of the total mass of the composition.
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公开(公告)号：US20130221227A1
公开(公告)日：2013-08-29
申请号：US13760471
申请日：2013-02-06
Applicant: TOKUYAMA CORPORATION , NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY , TOHOKU UNIVERSITY
Inventor： Kenichi WATANABE , Yoshihiko TAKAHASHI , Atsushi YAMAZAKI , Akira URITANI , Tetsuo IGUCHI , Kentaro FUKUDA , Noriaki KAWAGUCHI , Sumito ISHIZU , Akira YOSHIKAWA , Takayuki YANAGIDA
IPC: G01T3/06
CPC classification number: G01T3/06 , G01T1/2018
Abstract: Provided is a radiation detector with improved n/γ discrimination and usable even under high counting rate conditions with a reduced load on a signal-processing system. The detector capable of distinguishing neutron and gamma-ray events includes: a scintillator; an optical filter; a first photodetector to which a first part of light emitted from the scintillator is introduced via the optical filter; and a second photodetector to which a second part of light emitted from the scintillator is introduced not via the optical filter, wherein, for a set of two wavelengths A and (A+B) nm, the scintillator emits at least a light of A nm and a light of (A+B) nm when irradiated by gamma-ray, and emits a light of A nm and does not emit a light of (A+B) nm when irradiated by neutrons; and the optical filter blocks the light of A nm and transmits the light of (A+B) nm.
Abstract translation: 提供了一种具有改进的n /γ鉴别的辐射检测器，即使在高计数速率条件下，信号处理系统的负载减小。 能够区分中子和伽马射线事件的检测器包括：闪烁体; 滤光片; 第一光电检测器，经由滤光器引入从闪烁体发射的第一部分光; 以及第二光电检测器，其中从闪烁体发射的第二部分光不经由所述滤光器被引入所述第二光电检测器，其中，对于两组波长A和（A + B）nm，所述闪烁体至少发射出一个Anm 以及当用γ射线照射时（A + B）nm的光，并且发射Anm的光，并且当被中子照射时不发射（A + B）nm的光; 并且光学滤波器阻挡Anm的光并透射（A + B）nm的光。
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公开(公告)号：US20220033343A1
公开(公告)日：2022-02-03
申请号：US17280328
申请日：2019-09-26
Applicant: TOKUYAMA CORPORATION
Inventor： Shoji TACHIBANA , Seiji TONO , Sumito ISHIZU , Yoshiaki YAMASHITA
IPC: C07C211/63
Abstract: A treatment liquid composition for semiconductor production including: a quaternary ammonium hydroxide; and a first organic solvent dissolving the quaternary ammonium hydroxide, the first organic solvent being a water-soluble organic solvent having a plurality of hydroxy groups, wherein a water content in the composition is no more than 1.0 mass % on the basis of the total mass of the composition; contents of Na, Mg, Al, K, Ca, Ti, Cr, Mn, Fe, Ni, Cu, and Zn in the composition are each no more than 100 mass ppb on the basis of the total mass of the composition; and a content of Cl in the composition is no more than 100 mass ppb on the basis of the total mass of the composition.
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公开(公告)号：US20180059288A1
公开(公告)日：2018-03-01
申请号：US15556989
申请日：2016-03-03
Applicant: TOKUYAMA CORPORATION
Inventor： Sumito ISHIZU , Kentaro FUKUDA , Kentaro MATSUO
CPC classification number: G02B1/02 , C30B15/00 , C30B27/02 , C30B29/12 , G01N27/4074 , G01T1/2935
Abstract: A lanthanum fluoride single crystal wherein an alkaline earth metal is added to the lanthanum fluoride single crystal, and internal transmittance of light at 9.3 μm in wavelength is no less than 85%/mm. The lanthanum fluoride single crystal and an optical component which have high transparency in an infrared region, and can be preferably used for phase plates for lasers, lenses and optical window materials for laser beam machines, gas detectors, flame detectors, infrared cameras, and so on, etc. are provided.
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