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公开(公告)号：US09771515B2
公开(公告)日：2017-09-26
申请号：US14827248
申请日：2015-08-14
Applicant: Tsinghua University , Nuctech Company Limited
Inventor： Yanchun Wang , Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Ziran Zhao , Yinong Liu , Yaohong Liu , Jianping Chang , Shuqing Zhao , Wenjian Zhang , Yongqiang Wang
IPC: C09K11/77 , C04B35/63 , C04B35/645 , G01T1/29
CPC classification number: C09K11/7771 , C04B35/547 , C04B35/62615 , C04B35/6303 , C04B35/645 , C04B35/6455 , C04B2235/3224 , C04B2235/445 , C04B2235/5436 , C04B2235/5463 , C04B2235/604 , C04B2235/656 , C04B2235/6565 , C04B2235/662 , G01T1/2935
Abstract: The present disclosure is directed to a low cost sintering process for the preparation of gadolinium oxysulfide having a general formula of Gd2O2S, referred to as GOS, scintillation ceramics, comprising uniaxial hot pressing primary sintering and hot isostatic pressing secondary sintering.
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公开(公告)号：US09618484B2
公开(公告)日：2017-04-11
申请号：US14577603
申请日：2014-12-19
Applicant: NUCTECH COMPANY LIMITED
Inventor： Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Qiufeng Ma , Ziran Zhao , Yinong Liu , Yaohong Liu , Junxiao Wang , Xiang Zou , Yanchun Wang , Jianping Chang , Linxia Tan
CPC classification number: G01N30/18 , G01N27/622 , G01N30/12 , G01N30/20 , G01N30/30 , G01N30/7206 , G01N2030/025
Abstract: The present invention discloses a general sample injector, comprising a sample injection port mechanism, a sample injector shell, a vaporizing chamber, a heater, a temperature control unit, a carrier gas channel, a septum purge channel, a flow splitting channel, a coolant channel, a multichannel flow control valve and a temperature control unit. The general sample injector, equivalent to a “programmed temperature vaporizer” injector combining splitting/no splitting with cold column head sample injection, gives full play to the advantages of various sample injection modes, overcomes a plurality of disadvantages, and has higher practicability and better flexibility.
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公开(公告)号：US09285342B2
公开(公告)日：2016-03-15
申请号：US14525058
申请日：2014-10-27
Applicant: Nuctech Company Limited
Inventor： Qingjun Zhang , Shiping Cao , Yuanjing Li , Zhiqiang Chen , Ziran Zhao , Yinong Liu , Jianping Chang , Yan Zheng , Yanchun Wang , Shaoji Mao
CPC classification number: G01N27/622 , G01N30/7206 , H01J49/0422 , H01J49/0468
Abstract: An ion mobility spectrometer system is disclosed. In one aspect, the system includes a gas chromatograph, first and second ion mobility spectrometers, and a sample feed device that feeds a sample from the gas chromatograph to the first and second ion mobility spectrometers. The sample feed device includes an inner chamber, first and second sample outlets for outputting the sample from the gas chromatograph to the first and second ion mobility spectrometers, respectively, and a gas inlet for inputting a gas into the sample feed device. The system detects and identifies molecules at improved resolution and enhanced molecule information. The system detects positive and negative ions, interrelates positive-mode and negative-mode spectrums, and separates substances.
Abstract translation: 公开了一种离子迁移谱仪系统。 在一个方面，该系统包括气相色谱仪，第一和第二离子迁移谱仪，以及将样品从气相色谱仪供给到第一和第二离子迁移谱仪的样品进料装置。 样品进料装置包括内室，用于将样品从气相色谱仪分别输出到第一和第二离子迁移谱仪的第一和第二样品出口，以及用于将气体输入到样品进料装置中的气体入口。 该系统以改进的分辨率和增强的分子信息检测和识别分子。 系统检测正离子和负离子，相互作用正模式和负模式光谱，并分离物质。
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公开(公告)号：US20150115152A1
公开(公告)日：2015-04-30
申请号：US14525058
申请日：2014-10-27
Applicant: Nuctech Company Limited
Inventor： Qingjun Zhang , Shiping Cao , Yuanjing Li , Zhiqiang Chen , Ziran Zhao , Yinong Liu , Jianpang Chang , Yan Zheng , Yanchun Wang , Shaoji Mao
CPC classification number: G01N27/622 , G01N30/7206 , H01J49/0422 , H01J49/0468
Abstract: An ion mobility spectrometer system is disclosed. In one aspect, the system includes a gas chromatograph, first and second ion mobility spectrometers, and a sample feed device that feeds a sample from the gas chromatograph to the first and second ion mobility spectrometers. The sample feed device includes an inner chamber, first and second sample outlets for outputting the sample from the gas chromatograph to the first and second ion mobility spectrometers, respectively, and a gas inlet for inputting a gas into the sample feed device. The system detects and identifies molecules at improved resolution and enhanced molecule information. The system detects positive and negative ions, interrelates positive-mode and negative-mode spectrums, and separates substances.
Abstract translation: 公开了一种离子迁移谱仪系统。 在一个方面，该系统包括气相色谱仪，第一和第二离子迁移谱仪，以及将样品从气相色谱仪供给到第一和第二离子迁移谱仪的样品进料装置。 样品进料装置包括内室，用于将样品从气相色谱仪分别输出到第一和第二离子迁移谱仪的第一和第二样品出口，以及用于将气体输入到样品进料装置中的气体入口。 该系统以改进的分辨率和增强的分子信息检测和识别分子。 系统检测正离子和负离子，相互作用正模式和负模式光谱，并分离物质。
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公开(公告)号：US10775320B2
公开(公告)日：2020-09-15
申请号：US16403555
申请日：2019-05-05
Applicant: NUCTECH COMPANY LIMITED
Inventor： Shuwei Li , Wenjian Zhang , Xiang Zou , Bozhen Zhao , Qingjun Zhang , Huishao He , Yongqiang Wang , Yanchun Wang
Abstract: The present disclosure discloses an afterglow detection device and an afterglow detection method. The afterglow detection device comprises: an X-ray tube for emitting an X-ray beam; a first reading circuit for receiving a first detected signal from a to-be-detected detector to form and output a first measurement signal according to the first detected signal, the to-be-detected detector being connected to the first reading circuit and disposed on a beam-out side of the X-ray tube to receive radiation of the X-ray beam and outputting the first detected signal to the first reading circuit at the time of detection; a residual ray detector disposed on a beam-out side of the X-ray tube; a second reading circuit connected to the residual ray detector for receiving a second detected signal from the residual ray detector to form and output a second measurement signal according to the second detected signal.
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Patent Agency Ranking
公开(公告)号：US10654196B2
公开(公告)日：2020-05-19
申请号：US15815819
申请日：2017-11-17
Applicant: Nuctech Company Limited
Inventor： Yanchun Wang , Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Ziran Zhao , Yinong Liu , Yaohong Liu , Nan Bai
IPC: B29C33/00 , C04B35/50 , B30B11/00 , B30B15/02 , B22F3/14 , C04B35/645 , B28B3/00 , C04B35/515 , C04B35/547 , G01T1/20 , C04B111/80
Abstract: A mold and a method of manufacturing GOS ceramic scintillator by using the mold are provided. The mold comprises: a female outer sleeve having a cavity disposed inside; a plurality of female blocks disposed inside the cavity, the plurality of female blocks being put together to form a composite structure having a vertical through hole; and a male upper pressing head and a male lower pressing head, wherein each of the male upper pressing head and the male lower pressing head has a shape consistent with that of the vertical through hole. The disclosure may reduce defects of the related art in hot-pressing-sintering such as a mold has a short retirement period and a high material waste, significantly reduce the cost for production of the GOS ceramic scintillator, and significantly improve a process economy.
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公开(公告)号：US10276359B2
公开(公告)日：2019-04-30
申请号：US15832193
申请日：2017-12-05
Applicant: Nuctech Company Limited
Inventor： Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Yanchun Wang , Ziran Zhao , Xianghua Li , Qiufeng Ma , Ge Li , Biao Cao , Qi Mao , Xiang Zou
Abstract: The present disclosure provides an ion mobility spectrometer, which comprises: a power supply circuit, configured to provide a power supply voltage; a corona discharge configured to generate ions to be subjected to measurement, through corona discharge; an ion migration circuit configured to control migration of the ions; a migration zone structure configured to realize, under control of the ion migration circuit, mobility spectrum measurement of the ions which pass through the migration zone structure; a redundant charge extraction electrode arranged between the corona discharge structure and the migration zone structure, so that the ions which are generated by the corona discharge structure can pass therethrough to reach the migration zone structure; and a redundant charge extraction circuit, wherein the redundant charge extraction electrode is connected to the ground through the redundant charge extraction circuit.
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公开(公告)号：US10351967B2
公开(公告)日：2019-07-16
申请号：US15843666
申请日：2017-12-15
Applicant: Nuctech Company Limited
Inventor： Yongqiang Wang , Qingjun Zhang , Yuanjing Li , Ziran Zhao , Jianping Chang , Yanchun Wang , Lifeng Sun , Nan Bai , Xingliang Zhai
IPC: C08K3/14 , C08K3/38 , C09D5/44 , C09D7/61 , G01T3/00 , C25D13/02 , C25D13/12 , C25D13/20 , C25D13/22
Abstract: The present invention provides a method for forming a sensitive film for neutron detection, wherein the sensitive film is formed by electrophoresis coating, the liquid used for electrophoresis coating includes neutron sensitive material, electrophoresis paint and deionized water, and the neutron sensitive material is 10B single substance, 10B compound or mixture containing 10B. The sensitive film for neutron detection has the high detection efficiency because of the high content of 10B. The sensitive film for neutron detection has the uniform and stable film thickness, and excellent consistency. The production efficiency and the cost of the sensitive film are improved.
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公开(公告)号：US09869775B2
公开(公告)日：2018-01-16
申请号：US14983411
申请日：2015-12-29
Applicant: Tsinghua University , Nuctech Company Limited
Inventor： Yanchun Wang , Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Ziran Zhao , Yinong Liu , Yaohong Liu , Jianping Chang , Wenjian Zhang , Shuqing Zhao , Xiang Zou , Yongqiang Wang
CPC classification number: G01T1/2018
Abstract: A method for processing a ceramic scintillator array, characterized in that, comprising the following steps: (a) forming, in a first direction, a predetermined number of straight first-direction through-cuts which are parallel to each other and spaced from each other on a scintillator substrate by using laser; (b) adequately filling the first-direction through-cuts with an adhesive and solidifying the adhesive; (c) forming, in a second direction. a predetermined number of second direction through-cuts which are parallel to each other at a predetermined interval on the scintillator substrate by using laser, wherein the second direction is perpendicular to the first direction; and (d) adequately filling the second direction through-cuts with the adhesive and solidifying the adhesive bond.
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公开(公告)号：US09816028B2
公开(公告)日：2017-11-14
申请号：US14827258
申请日：2015-08-14
Applicant: Tsinghua University , Nuctech Company Limited
Inventor： Yanchun Wang , Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Ziran Zhao , Yinong Liu , Yaohong Liu , Jianping Chang , Shuqing Zhao , Wenjian Zhang , Yongqiang Wang
IPC: B32B27/32 , C04B33/32 , C04B35/50 , C04B35/645 , B28B1/00 , B28B5/00 , B28B3/00 , C09K11/77 , C04B40/00 , C04B35/515 , C04B35/547 , C04B35/626 , C04B35/64
CPC classification number: C09K11/7772 , C04B35/5156 , C04B35/547 , C04B35/6261 , C04B35/64 , C04B35/645 , C04B35/6455 , C04B40/0007 , C04B2235/3203 , C04B2235/3224 , C04B2235/3229 , C04B2235/3287 , C04B2235/445 , C04B2235/5436 , C04B2235/5481 , C04B2235/6565 , C04B2235/6567 , C04B2235/6581 , C04B2235/661 , C04B2235/662 , C04B2235/666 , C04B2235/72 , C04B2235/77 , C04B2235/9653
Abstract: The present disclosure is directed to a rapid process for the preparation of gadolinium oxysulfide having a general formula of Gd2O2S, referred to as GOS, scintillation ceramics by using the combination of spark plasma primary sintering (SPS) and hot isostatic pressing secondary sintering.
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