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    Non-intrusive method to identify presence of nuclear materials using energetic prompt neutrons from neutron-induced fission
    3.
    发明授权
    Non-intrusive method to identify presence of nuclear materials using energetic prompt neutrons from neutron-induced fission 有权
    使用从中子诱导裂变产生的能量迅速的中子来识别核材料的存在的非侵入性方法

    公开(公告)号：US08867687B2

    公开(公告)日：2014-10-21

    申请号：US13746869

    申请日：2013-01-22

    申请人： Passport Systems, Inc.

    发明人： William Bertozzi ,  Robert J. Ledoux

    IPC分类号： G01T3/04 ,  G01T3/06 ,  G21G1/12 ,  G01T3/00 ,  G01V5/00

    CPC分类号： G01T3/00 ,  G01V5/0069 ,  G01V5/0091

    摘要： Methods and systems for non-intrusively detecting the existence of fissile materials in a container via the measurement of energetic prompt neutrons are disclosed. The methods and systems use the unique nature of the prompt neutron energy spectrum from neutron-induced fission arising from the emission of neutrons from almost fully accelerated fragments to unambiguously identify fissile material. These signals from neutron-induced fission are unique and allow the detection of any material in the actinide region of the nuclear periodic table.

    摘要翻译： 公开了通过测量能量迅速的中子非侵入地检测容器中易裂变材料的存在的方法和系统。 这些方法和系统使用了从发生几乎完全加速的碎片的中子产生的中子诱发的裂变的迅速中子能谱的独特性质，以明确地识别易裂变材料。 来自中子诱导的裂变的这些信号是独特的，并允许检测核周期表的锕系区域中的任何物质。

    Remote detection of explosive substances
    6.
    发明授权
    Remote detection of explosive substances 有权
    远程检测爆炸物质

    公开(公告)号：US08080808B2

    公开(公告)日：2011-12-20

    申请号：US12503300

    申请日：2009-07-15

    申请人： Wayne B Norris

    发明人： Wayne B Norris

    IPC分类号： G01N23/00

    CPC分类号： G01V5/0008 ,  G01V5/0069

    摘要： Apparatus and methods for effectively detecting and locating explosive substances within remote targets, including improvised explosive devices (IEDs). The detection apparatus includes a neutron beam generator, a gamma ray detector, data collection modules and sensors, and a detection processing module. The neutron beam generator includes a fast neutron source, a neutron moderator to slow some or all of the fast neutrons to thermal energies, a partially enclosing neutron shield, and a rotatable neutron shield surrounding the generated neutrons. The neutron shield has an aperture to form a neutron beam directed at a remote target. If the remote target contains explosive substances, gamma rays radiate isotropically from the remote target when it is bombarded by the neutrons. A portion of these gamma rays are intercepted and detected by the gamma ray detector, which is spaced apart from the neutron source. The detection processing module determines whether the remote target contains explosive substances and further locates the target by processing the collected data from the gamma ray detector, status information collected from the neutron source, and the position sensor(s) associated with the neutron shield.

    摘要翻译： 用于有效检测和定位远程目标内的爆炸物质的设备和方法，包括简易爆炸装置（IED）。 检测装置包括中子束发生器，伽马射线检测器，数据收集模块和传感器以及检测处理模块。 中子束发生器包括一个快中子源，一个中子慢化器，用于将一些或全部快中子减速到热能，一个部分封闭的中子屏蔽以及围绕生成的中子的可旋转的中子屏蔽。 中子屏蔽具有孔径，以形成指向远程目标的中子束。 如果远程目标物含有爆炸性物质，当被中子轰击时，伽马射线从远程目标各向同性地辐射。 这些伽马射线的一部分被与中子源间隔开的伽马射线检测器截取并检测。 检测处理模块通过处理从伽马射线检测器收集的数据，从中子源收集的状态信息和与中子屏蔽相关联的位置传感器来确定远程目标是否包含爆炸物质并进一步定位目标。

    Method and Device for Identification of Explosives by means of Neutron Bombardment
    7.
    发明申请
    Method and Device for Identification of Explosives by means of Neutron Bombardment 审中-公开
    通过中子轰击识别爆炸物的方法和装置

    公开(公告)号：US20110129050A1

    公开(公告)日：2011-06-02

    申请号：US12958360

    申请日：2010-12-01

    申请人： Jürgen Walter Leonhardt ,  Hetmut Wolfgang Wurzer ,  Axel Thomas Friedrich Küster ,  Klau-Peter Otto Francke

    发明人： Jürgen Walter Leonhardt ,  Hetmut Wolfgang Wurzer ,  Axel Thomas Friedrich Küster ,  Klau-Peter Otto Francke

    IPC分类号： G21G1/06

    CPC分类号： G01V5/0033 ,  G01V5/0069

    摘要： A method and device for explosives identification bombards a sample with neutrons the energy of which is to the positron activation energy of nitrogen and to the required energy for a neutron proton nuclear reaction of neutrons with 16O to 16N. Electron positron annihilation radiation emitted by the sample due to the neutron bombardment is then detected as a function of time. The respective concentration and the concentration ratio of oxygen and nitrogen in the sample is determined from the time dependency of the annihilation radiation, and the explosive is identified by the comparison of the concentration ratios of the specific concentrations of oxygen and nitrogen with the corresponding substance ratios of known explosives. By radiation with neutrons at the same time radionuclides 13N are created from the nitrogen contained and 16N from the oxygen contained, the decay of which generates electron positron annihilation radiation with characteristic half-lives.

    摘要翻译： 用于爆炸物识别的方法和装置用中子的样品轰击其能量为氮的正电子活化能和对于具有16O至16N的中子的中子质子核反应所需的能量。 然后，由于中子轰击而由样品发射的电子正电子湮灭辐射作为时间的函数被检测。 样品中氧和氮的浓度和浓度分别由湮灭辐射的时间依赖性决定，通过比较氧和氮的浓度比与相应的物质比例来确定爆炸物 的已知炸药。 通过同时辐射中子，从包含的氮和16N产生放射性核素13N，其中的衰变产生具有特征半衰期的电子正电子湮灭辐射。

    Combined X-ray CT/neutron material identification system
    8.
    发明授权
    Combined X-ray CT/neutron material identification system 有权
    组合X射线CT /中子材料识别系统

    公开(公告)号：US07864920B2

    公开(公告)日：2011-01-04

    申请号：US12469321

    申请日：2009-05-20

    申请人： Peter J. Rothschild

    发明人： Peter J. Rothschild

    IPC分类号： G01N23/222 ,  G01N23/083 ,  G01N23/09 ,  G01N23/10 ,  H05G1/60

    CPC分类号： G01N23/046 ,  G01N23/223 ,  G01N2223/076 ,  G01N2223/419 ,  G01T1/2985 ,  G01V5/0033 ,  G01V5/005 ,  G01V5/0069

    摘要： A system and methods for identifying contents of an enclosure such as an air cargo container. A three-dimensional image indicative of at least one of the CT number and the density of contents of the enclosure is obtained using penetrating radiation such as x-rays. If one or more suspect regions are identified among contents of the enclosure, a collimated neutron beam is activated to traverse each suspect region and fluorescent emission from the suspect region is detected, allowing material within the suspect region to be characterized based at least on the detected fluorescent emission. Additionally, the collimated neutron beam may be employed for neutron imaging of the contents of the enclosure.

    摘要翻译： 用于识别诸如空运货物集装箱的外壳的内容物的系统和方法。 使用诸如x射线的穿透辐射获得指示外壳的CT数量和内容物密度中的至少一个的三维图像。 如果在外壳的内容中识别出一个或多个可疑区域，则激活准直的中子束以遍历每个可疑区域，并且检测来自可疑区域的荧光发射，从而至少基于所检测到的材料来区分可疑区域内的材料 荧光发射。 另外，准直的中子束可用于对外壳的内容物进行中子成像。

    ARTICLE INSPECTION SYSTEM AND METHOD
    9.
    发明申请
    ARTICLE INSPECTION SYSTEM AND METHOD 有权
    文章检查系统和方法

    公开(公告)号：US20100302034A1

    公开(公告)日：2010-12-02

    申请号：US12476776

    申请日：2009-06-02

    申请人： Minot Clements ,  Bradley Kingston ,  David Kuo ,  David Penn ,  Lawrence K. Warman

    发明人： Minot Clements ,  Bradley Kingston ,  David Kuo ,  David Penn ,  Lawrence K. Warman

    IPC分类号： G08B21/00 ,  H04N5/257 ,  H04N7/18 ,  G06F3/048

    CPC分类号： G01V5/0008 ,  G01V5/0069

    摘要： An inspection system and method for determining the elemental makeup of contents of an article includes a localizer for identifying at least one region of interest of the article from data representative of contents of the article, the at least one region of interest having a cross-sectional area or a volume that is less than the entire cross-sectional area or the entire volume of the article, an associated particle imaging device that produces an output that is indicative of the elemental makeup of contents of the article, a data selector for selecting a portion of the output of the associated particle imaging device that corresponds to respective identified regions of interest, and an analyzer for analyzing the portions of the output of the associated particle imaging device selected by the data selector to determine the elemental makeup of contents of the article in each identified region of interest.

    摘要翻译： 用于确定制品内容的元素构成的检查系统和方法包括用于根据代表物品内容的数据识别物品的至少一个感兴趣区域的定位器，所述至少一个感兴趣区域具有横截面 面积或体积小于制品的整个横截面积或整个体积，相关联的颗粒成像装置，其产生指示物品的内容的基本构成的输出;数据选择器，用于选择 对应于相应识别的感兴趣区域的相关联的粒子成像装置的输出部分以及分析器，用于分析由数据选择器选择的相关联的粒子成像装置的输出的部分，以确定物品内容的基本构成 在每个确定的感兴趣区域。

    Dual energy radiation scanning of contents of an object
    10.
    发明授权
    Dual energy radiation scanning of contents of an object 有权
    双能量辐射扫描物体内容物

    公开(公告)号：US07636417B2

    公开(公告)日：2009-12-22

    申请号：US11893302

    申请日：2007-08-13

    申请人： Paul Bjorkholm

    发明人： Paul Bjorkholm

    IPC分类号： G01N23/06 ,  G01N23/04 ,  H05G1/64

    CPC分类号： G01V5/0091 ,  G01N23/04 ,  G01T3/00 ,  G01V5/0041 ,  G01V5/0069

    摘要： In one embodiment, a method of examining contents of an object is disclosed comprising scanning an object at first and second radiation energies, detecting radiation at the first and second energies, and calculating a function of the radiation detected at the first and second energies. The method further comprises calculating at least one second function based, at least in part, on at least some of the first functions, and determining whether the object at least potentially contains material in a class of materials based, at least in part, on the second function. The class of materials may be materials having an atomic number greater than the predetermined atomic number, for example. The second function may be compared to a criterion, which may be a threshold, for example. Systems are also disclosed.

    摘要翻译： 在一个实施例中，公开了一种检查物体的内容的方法，包括以第一和第二辐射能量扫描物体，检测第一和第二能量处的辐射，以及计算在第一和第二能量处检测到的辐射的函数。 该方法还包括至少部分地基于第一功能中的至少一些来计算至少一个第二功能，并且至少部分地基于所述第一功能来确定对象是否至少可能包含材料类中的材料 第二功能。 材料类可以是例如原子序数大于预定原子数的材料。 可以将第二功能与例如可以是阈值的标准进行比较。 还披露了系统。