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    • 5. 发明申请
    • X-RAY APPARATUS AND A CT DEVICE HAVING THE SAME
    • X射线装置和具有该装置的CT装置
    • US20150078532A1
    • 2015-03-19
    • US14490526
    • 2014-09-18
    • TSINGHUA UNIVERSITYNUCTECH COMPANY LIMITED
    • Chuanxiang TANGHuaping TANGHuaibi CHENWenhui HUANGHuayi ZHANGShuxin ZHENG
    • H01J35/14H01J35/06H05G1/32H01J35/12
    • H01J35/14H01J35/06H01J35/12H01J35/16H01J2235/068H01J2235/086H01J2235/087H05G1/32
    • The present application provides an external thermionic cathode distributed x-ray apparatus, comprises: a vacuum box which is sealed at its periphery, and the interior thereof is high vacuum; a plurality of electron transmitting units arranged in a linear array and installed on the side wall of the vacuum box, each electron transmitting unit is independent to each other; an anode installed in the center inside the vacuum box, and in the direction of length, the anode is parallel to the orientation of the electron transmitting unit, and in the direction of width, the anode has a predetermined angle with respect to the plane of the electron transmitting unit; and a power supply and control system having a high voltage power supply, a focusing power supply; a transmitting control means and a control system; the electron transmitting unit having: a heating filament; a cathode connected to the heating filament; an insulated support enclosing the heating filament and the cathode; a focusing electrode, arranged at the upper end of the insulated support by way of locating above the cathode; and a connecting fastener arranged above the focusing electrode and connected to the wall of the vacuum box; wherein, the filament lead is connected to the transmitting control means through the insulated support.
    • 本申请提供了一种外部热离子阴极分布式x射线装置,包括:真空箱,其外围密封,其内部为高真空; 多个电子发射单元布置成线性阵列并安装在真空箱的侧壁上,每个电子发射单元彼此独立; 安装在真空箱内部的中心的阳极,并且在长度方向上,阳极平行于电子发射单元的取向,并且在宽度方向上,阳极相对于 电子发射单元; 以及具有高压电源,聚焦电源的电源和控制系统; 发送控制装置和控制系统; 电子发射单元具有:加热丝; 连接到加热丝的阴极; 封闭加热丝和阴极的绝缘支架; 聚焦电极,通过定位在阴极上方布置在绝缘支撑件的上端; 以及布置在聚焦电极上方并连接到真空箱壁上的连接紧固件; 其中,灯丝引线通过绝缘支撑件连接到发射控制装置。
    • 6. 发明申请
    • NUCLIDE IDENTIFICATION METHOD, NUCLIDE IDENTIFICATION SYSTEM, AND PHOTONEUTRON EMITTER
    • 核素鉴定方法,核素鉴定系统和光电子发射器
    • US20150185164A1
    • 2015-07-02
    • US14577701
    • 2014-12-19
    • TSINGHUA UNIVERSITYNUCTECH COMPANY LIMITED
    • Zhiqiang CHENYigang YANGXuewu WANGQinjian ZHANGHuaibi CHENYuanjing LI
    • G01N23/00G21G4/02
    • G01N23/005G01V5/0091G21G4/02
    • Embodiments of the present invention disclose a nuclide identification method, a nuclide identification system, and a photoneutron emitter. The photoneutron emitter comprises: a pulsed electron accelerator configured for emitting electrons; and a photoneutron converting target configured to receive the electrons emitted by the pulsed electron accelerator and convert the electrons into photoneutrons. The photoneutron converting target has a volume of about 100 to about 8000 cm3, of about 100 to about 2500 cm3, or of about 785 cm3. These embodiments of the present invention can improve an accuracy of identification of a nuclide, and provide a practical photoneutron emitter, method and system for identifying a nuclide.Especially, these embodiments of the present invention can improve an accuracy of identification of a fissile nuclide such as 233U, 235U, and 239Pu, and provide a practical photoneutron emitter, method and system for identifying a fissile nuclide such as 233U, 235U, and 239Pu.
    • 本发明的实施例公开了核素识别方法,核素鉴定系统和光子中子发射体。 光子中子发射体包括:配置用于发射电子的脉冲电子加速器; 以及被配置为接收由脉冲电子加速器发射的电子并将电子转换成光子酮的光子中子转换目标。 光子中子转化靶具有约100至约8000cm 3,约100至约2500cm 3或约785cm 3的体积。 本发明的这些实施方案可以提高核素的鉴定精度,并提供实用的光子中子发射体,用于识别核素的方法和系统。 特别地,本发明的这些实施例可以提高诸如233U,235U和239Pu之类的裂变核素的鉴定准确度,并提供一种实用的光子中子发射体,用于识别易裂变核素的方法和系统,例如233U,235U和239Pu 。