公开(公告)号：US5008911A

公开(公告)日：1991-04-16

申请号：US411357

申请日：1989-09-22

Applicant: Geoffrey Harding

Inventor： Geoffrey Harding

IPC: A61B6/00 ,  A61B6/03 ,  G01N23/20

CPC classification number: A61B6/4241 ,  G01N23/20091

Abstract: A device for measuring the pulse transfer of X-ray quanta which are elastically scattered in an examination zone, includes an X-ray source which is arranged on one side of the examination zone, a detector which is situated on the other side of the examination zone and which measures the energy of the X-ray quanta, and a rotationally-symmetrical diaphragm device which is arranged between the detector and the X-ray source. In a device of this kind a comparatively accurate determination of the pulse transfer is also possible for thick objects, because the diaphragm device is constructed so that the X-ray quanta emitted by the X-ray beam source are transmitted to the examination zone only on the envelope of a cone.

Abstract translation: 用于测量弹性散射在检查区域中的X射线量子的脉冲传送的装置包括布置在检查区一侧的X射线源，位于检查的另一侧的检测器 测量X射线量子的能量，以及设置在检测器和X射线源之间的旋转对称的膜片装置。 在这种装置中，由于膜片装置的构造使得由X射线束源发射的X射线量子能够仅在 锥体的包络。

公开(公告)号：US4887285A

公开(公告)日：1989-12-12

申请号：US24656

申请日：1987-03-11

Applicant: Geoffrey Harding ,  Josef-Maria Kosanetzky

Inventor： Geoffrey Harding ,  Josef-Maria Kosanetzky

IPC: G01N23/207 ,  A61B6/04 ,  G01N23/20

CPC classification number: G01N23/20083

Abstract: The invention relates to a method of determining the share of different chemical elements in a layer of an examination zone. The Compton scattered radiation and the Rayleigh scattered radiation are separately determined and the variation of the differential scatter coefficients derived from the measurement values is influenced by the shares of the various chemical elements contained in the individual pixels. Therefore, the share of these chemical elements can be determined therefrom.

Abstract translation: 本发明涉及一种确定检查区一层中不同化学元素份额的方法。 分别确定康普顿散射辐射和瑞利散射辐射，并且由测量值导出的差分散射系数的变化受包含在各个像素中的各种化学元素的份额的影响。 因此，这些化学元素的份额可由此确定。

公开(公告)号：US4750196A

公开(公告)日：1988-06-07

申请号：US798096

申请日：1985-11-14

Applicant: Geoffrey Harding

Inventor： Geoffrey Harding

IPC: G01N23/203 ,  A61B6/02 ,  G01N23/04 ,  G21K1/02 ,  G01N23/201

CPC classification number: A61B6/483 ,  G01N23/04

Abstract: The invention relates to a device for examining a body by means of gamma rays or X-rays, in which a body to be examined is irradiated by a plurality of primary beams having a comparatively small cross-section. The scattered radiation produced is intercepted by detector devices, at least one of which is associated each time with a respective primary beam, and the detector device and an associated slit which images the primary beam on the detector device is arranged so that the detector device is struck essentially only by scattered radiation from this one primary beam. Preferably, the detectors are arranged between the body to be examined and the radiation source, so that they can intercept only the back-scattered radiation.

Abstract translation: 本发明涉及一种用于通过伽马射线或X射线检查身体的装置，其中被检体被多个横截面较小的主光束照射。 产生的散射辐射被检测器装置拦截，其中至少一个与相应的主光束相关联，并且检测器装置和对检测器装置上的主光束进行成像的相关缝隙被布置成使得检测器装置 基本上仅由来自该一个主波束的散射辐射。 优选地，检测器布置在被检体和辐射源之间，使得它们仅能够拦截背散射的辐射。

公开(公告)号：US4423522A

公开(公告)日：1983-12-27

申请号：US273547

申请日：1981-06-15

Applicant: Geoffrey Harding

Inventor： Geoffrey Harding

IPC: A61B6/02 ,  G01N23/20

CPC classification number: A61B6/483

Abstract: A scatter radiation device for determining the internal structure of a body comprises a monoenergic radiation source for emitting a narrow primary beam which penetrates the body, at least one slit diaphragm device which is situated outside the primary beam and which comprises a plurality of slit diaphragm apertures which extend approximately perpendicularly to the primary beam, and a detector device which extends transversely of the longitudinal slit direction and which comprises separate detectors which receive scatter radiation produced in the body by the primary beam. The scatter radiation which each time originates from a point of the primary beam and which passes through all slit diaphragm apertures, is measured by different detectors of the detector device, and thus serves for determining the body density at the corresponding point.

Abstract translation: 用于确定主体的内部结构的散射辐射装置包括用于发射穿透主体的窄主光束的单能辐射源，位于主光束外部的至少一个狭缝光阑装置，其包括多个狭缝光阑孔 其大致垂直于主光束延伸;以及检测器装置，其横向于纵向狭缝方向延伸，并且包括单独的检测器，其接收主光束在体内产生的散射辐射。 每次源自一次束的点并且穿过所有狭缝光阑孔径的散射辐射由检测器装置的不同检测器测量，因此用于确定相应点处的体密度。

公开(公告)号：US20110081004A1

公开(公告)日：2011-04-07

申请号：US12572938

申请日：2009-10-02

Applicant: Geoffrey Harding ,  Helmut Rudolf Otto Strecker ,  Peter Michael Edic

Inventor： Geoffrey Harding ,  Helmut Rudolf Otto Strecker ,  Peter Michael Edic

IPC: G21K1/02

CPC classification number: G21K1/025

Abstract: A method for making a secondary collimator that includes at least one plate having a plurality of slits defined therein includes determining a gap thickness between plate positions of the secondary collimator based on at least one dimension of the at least one plate and fabricating a base plate from a base plate blank. The base plate includes at least two slots being spaced apart by the gap thickness. The at least one plate is inserted into a first slot of the at least two slots to form the secondary collimator.

Abstract translation: 一种用于制造二次准直器的方法，包括至少一个具有限定在其中的多个狭缝的板，包括：根据至少一个板的至少一个尺寸确定次准准器的板位置之间的间隙厚度，并从 底板坯。 基板包括至少两个狭槽间隔开的间隙厚度。 将至少一个板插入至少两个槽的第一槽中以形成次准准器。

公开(公告)号：US07869566B2

公开(公告)日：2011-01-11

申请号：US11771289

申请日：2007-06-29

Applicant: Peter Michael Edic ,  Mark E. Vermilyea ,  Forrest Frank Hopkins ,  Geoffrey Harding ,  Pierfrancesco Landolfi

Inventor： Peter Michael Edic ,  Mark E. Vermilyea ,  Forrest Frank Hopkins ,  Geoffrey Harding ,  Pierfrancesco Landolfi

IPC: G01N23/04

CPC classification number: G01V5/005 ,  G01V5/0041

Abstract: An integrated, multi-sensor, Level 1 screening device is described, which system provides a next-generation Explosives Detection System (EDS) that enables high throughput, while drastically reducing false alarms. In exemplary embodiments, the present system comprises a non-rotational, Computed Tomography (CT) system and a non-translational, X-ray diffraction (XRD) system, both in an inline configuration.

Abstract translation: 描述了一个集成的多传感器1级筛选装置，该系统提供了下一代爆炸物检测系统（EDS），可以实现高吞吐量，同时大大减少假警报。 在示例性实施例中，本系统包括非旋转的计算机断层扫描（CT）系统和非平行X射线衍射（XRD）系统，两者都是在线配置。

公开(公告)号：US20100329424A1

公开(公告)日：2010-12-30

申请号：US12494810

申请日：2009-06-30

Applicant: Geoffrey Harding ,  Stephan Olesinski ,  Dirk Kosciesza ,  Helmut Rudolf Otto Strecker

Inventor： Geoffrey Harding ,  Stephan Olesinski ,  Dirk Kosciesza ,  Helmut Rudolf Otto Strecker

IPC: G01N23/20 ,  G01N23/201

CPC classification number: G01N23/20 ,  G01N2223/637 ,  G01N2223/639

Abstract: A method for operating an X-ray diffraction imaging (XDI) system to scan an object includes generating an X-ray beam from at least one source focus at a first focus location, and receiving first scatter radiation at a first scatter angle at a scatter detector. The first scatter radiation is produced when the X-ray beam interacts with the object. The method further includes displacing the at least one source focus from the first focus location to a second focus location, generating a displaced X-ray beam from the at least one source focus at the second focus location, and receiving second scatter radiation at a second scatter angle at the scatter detector. The second scatter radiation is produced when the displaced X-ray beam interacts with the object. An identification of the object based on one of the first scatter radiation and the second scatter radiation is output.

Abstract translation: 用于操作X射线衍射成像（XDI）系统以扫描对象的方法包括在第一焦点位置从至少一个源焦点生成X射线束，并以散射角以第一散射角接收第一散射辐射 探测器。 当X射线束与物体相互作用时产生第一散射辐射。 所述方法还包括将所述至少一个源焦点从所述第一焦点位置移位到第二焦点位置，在所述第二焦点位置处从所述至少一个源焦点产生位移的X射线束，以及在所述第二焦点位置处接收第二散射辐射 在散射检测器处的​​散射角。 当移位的X射线束与物体相互作用时产生第二散射辐射。 输出基于第一散射辐射和第二散射辐射之一的对象的识别。

公开(公告)号：US07856083B2

公开(公告)日：2010-12-21

申请号：US12263074

申请日：2008-10-31

Applicant: Geoffrey Harding ,  Helmut Rudolf Strecker

Inventor： Geoffrey Harding ,  Helmut Rudolf Strecker

IPC: G01N23/20

CPC classification number: G01N23/20 ,  G01N2223/401

Abstract: A method to account for cross-talk among a plurality of coherent scatter detectors of a multi-detector inverse fan beam x-ray diffraction imaging (MD-IFB XDI) system. The MD-IFB XDI system includes a multi-focus x-ray source (MFXS) that emits radiation sequentially from a plurality of focus points denoted by F1, F2, . . . Fn with a running index i. The method includes measuring a diffraction profile Xk for each coherent scatter detector Dk of the plurality of coherent scatter detectors. The diffraction profile includes a spectrum of a number of photons measured in a plurality of corresponding coherent scatter detectors. Each coherent scatter detector Dk is corrected to remove scatter from a plurality of primary beams directed to remaining coherent scatter detectors of the plurality of coherent scatter detectors.

Abstract translation: 一种解决多检测器逆扇形束X射线衍射成像（MD-IFB XDI）系统的多个相干散射检测器之间的串扰的方法。 MD-IFB XDI系统包括从由F1，F2表示的多个聚焦点顺序发射辐射的多焦点x射线源（MFXS）。 。 。 Fn与运行索引i。 该方法包括测量多个相干散射检测器的每个相干散射检测器Dk的衍射分布X k。 衍射图包括在多个对应的相干散射检测器中测量的多个光子的光谱。 校正每个相干散射检测器Dk以从多个相干散射检测器的剩余相干散射检测器的多个主光束去除散射。

公开(公告)号：US07844027B2

公开(公告)日：2010-11-30

申请号：US12366844

申请日：2009-02-06

Applicant: Geoffrey Harding ,  Joseph Bendahan

Inventor： Geoffrey Harding ,  Joseph Bendahan

IPC: G01N23/00 ,  G01N23/04

CPC classification number: G01V5/00 ,  G21K1/02 ,  G21K2207/00

Abstract: System and method for XRD-based false alarm resolution in computed tomography (“CT”) threat detection systems. Following a scan of an object with a megavoltage CT-based threat detection system, a suspicious area in the object is identified. The three dimensional position of the suspicious area is used to determine a ray path for the XRD-based threat detection system that provides minimal X-ray attenuation. The object is then positioned for XRD scanning of the suspicious area along this determined ray path. The XRD-based threat detection system is configured to detect high density metals (“HDMs) as well as shielded Special Nuclear Materials (“SNMs”) based on cubic or non-cubic diffraction profiles.

Abstract translation: 计算机断层扫描（“CT”）威胁检测系统中基于XRD的误报警解决方法的系统和方法。 在使用基于兆伏级CT的威胁检测系统扫描物体后，识别对象中的可疑区域。 可疑区域的三维位置用于确定提供最小X射线衰减的基于XRD的威胁检测系统的射线路径。 然后将物体定位成沿着该确定的射线路径对可疑区域进行XRD扫描。 基于XRD的威胁检测系统被配置为基于立方或非立方衍射轮廓检测高密度金属（“HDM”）以及屏蔽特殊核材料（“SNM”）。

公开(公告)号：US07831019B2

公开(公告)日：2010-11-09

申请号：US12006010

申请日：2007-12-28

Applicant: Geoffrey Harding

Inventor： Geoffrey Harding

IPC: G01N23/20

CPC classification number: G01N23/20083

Abstract: A system and methods for characterizing an unknown substance is described. One of the methods include determining an effective atomic number of the unknown substance as a first function of a first gradient of a first line.

Abstract translation: 描述用于表征未知物质的系统和方法。 方法之一包括将未知物质的有效原子数确定为第一行的第一梯度的第一函数。