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    • 61. 发明授权
    • Radiation detection system including a scintillating material and an optical fiber
    • 包括闪烁材料和光纤的辐射检测系统
    • US09024266B2
    • 2015-05-05
    • US14109152
    • 2013-12-17
    • Saint-Gobain Ceramics & Plastics, Inc.
    • Peter R. Menge
    • G01T1/20G01T3/06
    • G01T1/2002G01T1/20G01T3/06
    • A radiation detection system can include optical fibers and a material disposed between the optical fibers. In an embodiment, the material can include a fluid, such as a gas, a liquid, or a non-Newtonian fluid. In another embodiment, the material can include an optical coupling material. In a particular embodiment, the optical coupling material can include a silicone rubber. In still another embodiment, the optical coupling material has a refractive index less than 1.50. In still another embodiment, the radiation detection system can have a greater signal:noise ratio, a light collection efficiency, or both as compared to a conventional radiation detection system. Corresponding methods of use are disclosed that can provide better discrimination between neutrons and gamma radiation.
    • 辐射检测系统可以包括光纤和设置在光纤之间的材料。 在一个实施例中,该材料可以包括流体,例如气体,液体或非牛顿流体。 在另一个实施例中,材料可以包括光耦合材料。 在特定实施例中,光学耦合材料可以包括硅橡胶。 在又一实施例中,光学耦合材料的折射率小于1.50。 在另一个实施例中,与常规辐射检测系统相比,放射线检测系统可以具有更大的信号:噪声比,光收集效率或两者。 公开了相应的使用方法,其可以提供中子和伽马辐射之间的更好的区分。
    • 65. 发明授权
    • Radiation detection system, a radiation sensing unit, and methods of using the same
    • 辐射检测系统,辐射检测单元及其使用方法
    • US08957385B2
    • 2015-02-17
    • US13306682
    • 2011-11-29
    • John M. FrankArtan Duraj
    • John M. FrankArtan Duraj
    • G01T1/20G01T7/00
    • G01T1/20G01T7/005
    • A radiation sensing unit for a radiation detection system can include a scintillator and a photosensor optically coupled to the scintillator. In an embodiment, the radiation detection system may provide an output signal to a particular radiation flux that is substantially temperature independent over a normal operating temperature range for the scintillator. The radiation sensing unit may further include a controllable radiation source configured to emit radiation and another photosensor coupled to controllable radiation source. A radiation detection system can include a radiation sensing unit and a control module that is coupled to the controllable radiation source and the photosensors. The control module may control the controllable radiation source and control a power supply coupled to the second photosensor in response to signals from the photosensors. In another aspect, a dynode tap from a photomultiplier tube can be used during calibration. Methods of using the foregoing are disclosed.
    • 用于放射线检测系统的辐射感测单元可以包括闪烁体和光学耦合到闪烁体的光电传感器。 在一个实施例中,放射线检测系统可以将输出信号提供给在闪烁体的正常工作温度范围内基本上独立于温度的特定辐射通量。 辐射感测单元还可以包括配置成发射辐射的可控辐射源和耦合到可控辐射源的另一光电传感器。 放射线检测系统可以包括辐射感测单元和耦合到可控辐射源和光电传感器的控制模块。 控制模块可以控制可控辐射源并且响应于来自光电传感器的信号来控制耦合到第二光电传感器的电源。 另一方面,在校准期间可以使用来自光电倍增管的倍增极抽头。 公开了使用上述方法。
    • 67. 发明申请
    • ABRASIVE PARTICLES HAVING PARTICULAR SHAPES AND METHODS OF FORMING SUCH PARTICLES
    • 具有特殊形状的磨料颗粒和形成这种颗粒的方法
    • US20140325916A1
    • 2014-11-06
    • US14272400
    • 2014-05-07
    • SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    • Doruk O. YenerJennifer H. CzerepinskiSujatha IyengarMichael D. Kavanaugh
    • C09K3/14
    • C09K3/1409B24D3/20
    • An abrasive article includes a shaped abrasive particle including a body having a first height (h1) at a first end of the body defining a corner between an upper surface, a first side surface, and a second side surface, and a second height (h2) at a second end of the body opposite the first end defining an edge between the upper surface and a third side surface, wherein the average difference in height between the first height and the second height is at least about 50 microns. The body also includes a bottom surface defining a bottom area (Ab) and a cross-sectional midpoint area (Am) defining an area of a plane perpendicular to the bottom area and extending through a midpoint of the particle, the body has an area ratio of bottom area to midpoint area (Ab/Am) of not greater than about 6.
    • 磨料制品包括成形的磨料颗粒,该磨料颗粒包括在本体的第一端处具有第一高度(h1)的主体,该第一高度限定了上表面,第一侧表面和第二侧表面之间的角,以及第二高度(h2) ),其在所述主体的与所述第一端相对的第二端处限定在所述上表面和第三侧表面之间的边缘,其中所述第一高度和所述第二高度之间的平均高度差为至少约50微米。 主体还包括限定底部区域(Ab)的底表面和限定垂直于底部区域并延伸穿过颗粒中点的平面区域的横截面中点区域(Am),所述主体具有面积比 底面积至中点面积(Ab / Am)不大于约6。