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    • 12. 发明授权
    • High efficiency proportional neutron detector with solid liner internal structures
    • 具有固体衬里内部结构的高效比例中子探测器
    • US08796634B2
    • 2014-08-05
    • US13408343
    • 2012-02-29
    • Roger Allen KisnerDavid Eugene HolcombGilbert M. Brown
    • Roger Allen KisnerDavid Eugene HolcombGilbert M. Brown
    • G01T3/00
    • G01T3/008
    • A tube-style neutron detector, a panel-style neutron detector incorporating a plurality of tube-style neutron detectors, and a panel-style neutron detector including a plurality of anode wires are provided. A plurality of channels is provided in a neutron detector such that each channel has an inner surface of a coating layer including a neutron-absorbing material. A wire anode is provided at end of each channel so that electrons generated by a charged daughter particle generated by a neutron are collected to detect a neutron-matter interaction. Moderator units can be incorporated into a neutron detector to provide improved detection efficiencies and/or to determine neutron energy spectrum. Gas-based proportional response from the neutron detectors can be employed for special nuclear material (SNM) detection. This neutron detector can provide similar performance to 3He-based detectors without requiring 3He and without containing toxic, flammable, or high-pressure materials.
    • 提供管式中子检测器,并入有多个管式中子探测器的面板式中子探测器和包括多个阳极线的面板式中子探测器。 在中子检测器中提供多个通道,使得每个通道具有包括中子吸收材料的涂层的内表面。 在每个通道的末端设置有线阳极,以便收集由中子产生的带电子粒子产生的电子以检测中子物质的相互作用。 可以将主持人单元并入中子检测器以提供改进的检测效率和/或确定中子能谱。 中子探测器的基于气体的比例响应可用于特殊的核材料(SNM)检测。 该中子探测器可以提供与基于3He的检测器类似的性能,而不需要3He,不含有毒,易燃或高压物质。
    • 13. 发明申请
    • HIGH EFFICIENCY PROPORTIONAL NEUTRON DETECTOR WITH SOLID LINER INTERNAL STRUCTURES
    • 具有固体衬里内部结构的高效率比例中子探测器
    • US20120223242A1
    • 2012-09-06
    • US13408343
    • 2012-02-29
    • Gilbert M. BrownDavid Eugene HolcombRoger Allen Kisner
    • Gilbert M. BrownDavid Eugene HolcombRoger Allen Kisner
    • G01T3/00
    • G01T3/008
    • A tube-style neutron detector, a panel-style neutron detector incorporating a plurality of tube-style neutron detectors, and a panel-style neutron detector including a plurality of anode wires are provided. A plurality of channels is provided in a neutron detector such that each channel has an inner surface of a coating layer including a neutron-absorbing material. A wire anode is provided at end of each channel so that electrons generated by a charged daughter particle generated by a neutron are collected to detect a neutron-matter interaction. Moderator units can be incorporated into a neutron detector to provide improved detection efficiencies and/or to determine neutron energy spectrum. Gas-based proportional response from the neutron detectors can be employed for special nuclear material (SNM) detection. This neutron detector can provide similar performance to 3He-based detectors without requiring 3He and without containing toxic, flammable, or high-pressure materials.
    • 提供管式中子检测器,并入有多个管式中子探测器的面板式中子探测器和包括多个阳极线的面板式中子探测器。 在中子检测器中提供多个通道,使得每个通道具有包括中子吸收材料的涂层的内表面。 在每个通道的末端设置有线阳极,以便收集由中子产生的带电子粒子产生的电子以检测中子物质的相互作用。 可以将主持人单元并入中子检测器以提供改进的检测效率和/或确定中子能谱。 中子探测器的基于气体的比例响应可用于特殊的核材料(SNM)检测。 该中子探测器可以提供与基于3He的检测器类似的性能,而不需要3He,不含有毒,易燃或高压物质。
    • 16. 发明申请
    • Electrochemical sensor having suspended element counter electrode and deflection method for current sensing
    • 具有悬浮元件对电极的电化学传感器和电流检测的偏转方法
    • US20080099330A1
    • 2008-05-01
    • US11588542
    • 2006-10-27
    • Thomas G. ThundatGilbert M. Brown
    • Thomas G. ThundatGilbert M. Brown
    • G01N27/26
    • G01N29/036G01N2291/0256
    • An electrochemical suspended element-based sensor system includes a solution cell for holding an electrolyte comprising solution including at least one electrochemically reducible or oxidizable species. A working electrode (WE), reference electrode (RE) and a counter electrode (CE) are disposed in the solution. The CE includes an asymmetric suspended element, wherein one side of the suspended element includes a metal or a highly doped semiconductor surface. The suspended element bends when current associated with reduction or oxidation of the electrochemically reducible or oxidizable species at the WE passes through the suspended element. At least one measurement system measures the bending of the suspended element or a parameter which is a function of the bending.
    • 基于电化学悬浮元件的传感器系统包括用于保持电解质的溶液池,所述电解质包含至少一种电化学还原性或可氧化物质的溶液。 在该溶液中设置工作电极(WE),参比电极(RE)和对电极(CE)。 CE包括不对称悬置元件,其中悬浮元件的一侧包括金属或高度掺杂的半导体表面。 当与WE的电化学还原性或可氧化物质的还原或氧化相关的电流通过悬浮元件时,悬浮元件弯曲。 至少一个测量系统测量悬挂元件的弯曲或作为弯曲函数的参数。
    • 20. 发明授权
    • Method of making gold thiolate and photochemically functionalized microcantilevers
    • 制备金硫醇盐和光化学官能化微悬臂梁的方法
    • US07579052B2
    • 2009-08-25
    • US11859047
    • 2007-09-21
    • Vassil I. BoiadjievGilbert M. BrownLal A. PinnaduwageThomas G. ThundatPeter V. BonnesenGudrun Goretzki
    • Vassil I. BoiadjievGilbert M. BrownLal A. PinnaduwageThomas G. ThundatPeter V. BonnesenGudrun Goretzki
    • B05D3/10B05D3/12G01N7/00
    • G01N29/022B82Y30/00B82Y35/00B82Y40/00G01N2291/0256G01N2291/0423G01N2291/0426G01N2291/0427
    • Highly sensitive sensor platforms for the detection of specific reagents, such as chromate, gasoline and biological species, using microcantilevers and other microelectromechanical systems (MEMS) whose surfaces have been modified with photochemically attached organic monolayers, such as self-assembled monolayers (SAM), or gold-thiol surface linkage are taught. The microcantilever sensors use photochemical hydrosilylation to modify silicon surfaces and gold-thiol chemistry to modify metallic surfaces thereby enabling individual microcantilevers in multicantilever array chips to be modified separately. Terminal vinyl substituted hydrocarbons with a variety of molecular recognition sites can be attached to the surface of silicon via the photochemical hydrosilylation process. By focusing the activating UV light sequentially on selected silicon or silicon nitride hydrogen terminated surfaces and soaking or spotting selected metallic surfaces with organic thiols, sulfides, or disulfides, the microcantilevers are functionalized. The device and photochemical method are intended to be integrated into systems for detecting specific agents including chromate groundwater contamination, gasoline, and biological species.
    • 用于检测特定试剂(如铬酸盐,汽油和生物物种)的高灵敏度传感器平台,使用微型悬臂梁和其表面已经用光化学附着的有机单层如自组装单层(SAM)进行了改性的其他微机电系统(MEMS) 或金 - 硫醇表面连接。 微悬臂传感器使用光化学氢化硅烷化来改性硅表面和金 - 硫醇化学,以改变金属表面,从而使多单元阵列芯片中的单个微悬臂梁可以单独修改。 具有多种分子识别位点的末端乙烯基取代的烃可以通过光化学氢化硅烷化方法连接到硅的表面。 通过将激活的UV光依次聚焦在选定的硅或氮化硅氢终止表面上,并用有机硫醇,硫化物或二硫化物浸泡或点样选定的金属表面,微悬臂梁被功能化。 该装置和光化学方法旨在集成到用于检测特定试剂的系统中,包括铬酸盐地下水污染物,汽油和生物物质。