RADIOACTIVE/NUCLEAR THREAT MONITORING USING LONG DETECTORS
    263.
    发明申请
    RADIOACTIVE/NUCLEAR THREAT MONITORING USING LONG DETECTORS 审中-公开
    放射性/核心监测使用长检测器

    公开(公告)号:US20120153168A1

    公开(公告)日:2012-06-21

    申请号:US13086738

    申请日:2011-04-14

    CPC classification number: H01J47/08 G01T1/201 G01T3/008 G01T3/06 G01V5/0075

    Abstract: The present specification discloses a radiological threat monitoring system capable of withstanding harsh environmental conditions. The system has (a) one or more cables for measuring a signal induced by a radiological material emitting ionizing radiation when the radiological material comes within a predefined distance of the cables; (b) one or more stations connected with one or more cables for measuring and recording the induced signal; and (c) a central station in communication with one or more stations for gathering the recorded measurements. Radiological material includes fissile threat material such as a ‘Special Nuclear Material’ (SNM).

    Abstract translation: 本说明书公开了能够承受恶劣环境条件的放射威胁监测系统。 该系统具有(a)一根或多根电缆,用于当放射线材料进入电缆的预定距离内时,测量由辐射材料发射电离辐射引起的信号; (b)与一根或多根电缆连接的一个或多个电台,用于测量和记录感应信号; 和(c)与一个或多个站通信的中心站,用于收集记录的测量。 放射性材料包括诸如“特殊核材料”(SNM)等裂变威胁材料。

    METHOD AND DEVICE OF DETECTING, LOCATING AND/OR ANALYZING A RADIOACTIVE SOURCE(S) IN A MATERIAL, E.G. A BIOLOGICAL TISSUE

    公开(公告)号:US20110196234A1

    公开(公告)日:2011-08-11

    申请号:US12300175

    申请日:2006-05-11

    CPC classification number: G01T1/161 A61B6/4258 A61B6/508 G01T1/201

    Abstract: The invention relates to detection of radiations by means of any appropriate devices, particularly those comprising small probes used e.g. in diagnostics or in surgery, or in biomedical or pharmacological research. The aim of the invention is to improve the performance of probes and their working methods in terms i.a of background, miniaturization sensitivity and selectivity. In this respect, the invention concerns a Method of detecting, locating and/or analyzing a radioactive source(s) emitting charged or neutral particles in a material, particularly a biological tissue, consisting essentially in using scintillating fiber(s) having a ratio L (Length)/r (range of the particles emitted by the source)≧2, d (diameter)/r≦5, and L/d≧2; scanning the surface of the material with the detection rod; collecting by means of a SiPM, the scintillation light output (SLo) generated by the particles having entered and interacted with the scintillating fiber(s) and emitted at the outlet end; optionally selecting signals SLo corresponding essentially to the particles entering the scintillating fiber(s) in a substantially axial direction (directional sensitivity), that is to say eliminating the particles which angle αp, that is the angle between the axis of the scintillating fiber and the direction of the particles entering the scintillating fiber, is greater than αt (αp> & αt), then which length lp is lower than lt (1

    HIGH DEFINITION SCINTILLATION DETECTOR FOR MEDICINE, HOMELAND SECURITY AND NON-DESTRUCTIVE EVALUATION
    266.
    发明申请
    HIGH DEFINITION SCINTILLATION DETECTOR FOR MEDICINE, HOMELAND SECURITY AND NON-DESTRUCTIVE EVALUATION 有权
    用于医学,家庭安全和非破坏性评估的高定义扫描检测器

    公开(公告)号:US20100272234A1

    公开(公告)日:2010-10-28

    申请号:US12529867

    申请日:2008-03-05

    CPC classification number: G01T1/201 G01T1/16

    Abstract: A bundle of drawn fibers that have X-ray scintillating unagglommerated nanocrystallite particles in plastic or glass cores of down to 0.1 micron spacing and claddings of X-ray absorbing compounds in the cladding composition. Optional is a cover to the bundle that blocks light from leaving the bundle at the X-ray side while allowing X-rays to pass into the cores. To image the light exiting the fiber bundle at the sub-micron level, light expansion is preferable using either a lens system or a fiber bundle expander.

    Abstract translation: 一束拉伸纤维,其在包层组合物中具有低至0.1微米间距的塑料或玻璃芯中具有X射线闪烁的未散射的纳米晶粒和X射线吸收化合物的包层。 可选的是捆绑的封面,阻止光线在X射线侧离开束,同时允许X射线进入核心。 为了在亚微米级别对离开纤维束的光进行成像,使用透镜系统或纤维束扩张器优选进行光膨胀。

    Fiber optic thermal/fast neutron and gamma ray scintillation detector
    267.
    发明申请
    Fiber optic thermal/fast neutron and gamma ray scintillation detector 有权
    光纤热/快中子和γ射线闪烁检测器

    公开(公告)号:US20070069146A1

    公开(公告)日:2007-03-29

    申请号:US11549269

    申请日:2006-10-13

    CPC classification number: G01T1/2018 G01T1/167 G01T1/2008 G01T1/201 G01T3/06

    Abstract: A system for detecting fissile and fissionable material originating external to the system includes: a 6Li loaded glass fiber scintillator for detecting thermal neutrons, x-rays and gamma rays; a fast scintillator for detecting fast neutrons, x-rays and gamma rays, the fast scintillator conjoined with the glass fiber scintillator such that the fast scintillator moderates fast neutrons prior to their detection as thermal neutrons by the glass fiber scintillator; and a coincidence detection system for processing the time distributions of arriving signals from the scintillators.

    Abstract translation: 用于检测来自系统外部的易裂变和可裂变材料的系统包括:用于检测热中子,x射线和γ射线的负载有六极管的玻璃纤维闪烁体; 用于检测快中子,X射线和γ射线的快速闪烁体,与玻璃纤维闪烁体结合的快速闪烁体,使得快速闪烁体在被玻璃纤维闪烁体作为热中子检测之前缓和快中子; 以及用于处理来自闪烁器的到达信号的时间分布的重合检测系统。

    Fiber optic thermal/fast neutron and gamma ray scintillation detector
    268.
    发明授权
    Fiber optic thermal/fast neutron and gamma ray scintillation detector 失效
    光纤热/快中子和γ射线闪烁检测器

    公开(公告)号:US07141799B1

    公开(公告)日:2006-11-28

    申请号:US11094679

    申请日:2005-03-30

    CPC classification number: G01T1/2018 G01T1/167 G01T1/2008 G01T1/201 G01T3/06

    Abstract: A detector system that combines a 6Li loaded glass fiber scintillation thermal neutron detector with a fast scintillation detector in a single layered structure. Detection of thermal and fast neutrons and ionizing electromagnetic radiation is achieved in the unified detector structure. The fast scintillator replaces the polyethelene moderator layer adjacent the 6Li loaded glass fiber panel of the neutron detector and acts as the moderator for the glass fibers. Fast neutrons, x-rays and gamma rays are detected in the fast scintillator. Thermal neutrons, x-rays and gamma rays are detected in the glass fiber scintillator.

    Abstract translation: 一种检测器系统,其结合了一个装有六极管的玻璃纤维闪烁热中子检测器和一个单层结构的快速闪烁检测器。 在统一的检测器结构中实现了热和快中子和电离电磁辐射的检测。 快速闪烁体代替邻近中子探测器的负载六面体玻璃纤维板的聚乙烯缓和层,并作为玻璃纤维的调节剂。 在快速闪烁体中检测到快中子,X射线和γ射线。 在玻璃纤维闪烁体中检测到热中子,X射线和γ射线。

    Radiation detectors
    269.
    发明申请
    Radiation detectors 失效
    辐射探测器

    公开(公告)号:US20060202125A1

    公开(公告)日:2006-09-14

    申请号:US11371573

    申请日:2006-03-09

    Applicant: Avraham Suhami

    Inventor: Avraham Suhami

    Abstract: The invention consists in structuring scintillation radiation detectors as Photonic Bandgap Crystals or 3D layers of thin filaments, thus enabling extremely high spatial resolutions and achieving virtual voxellation of the radiation detector without physical separating walls. The ability to precisely measure the recoil electron track in a Compton camera enables to assess the directions of the gamma rays hitting the detector and consequently dispensing with collimators that strongly reduce the intensity of radiation detected by gamma cameras. The invention enables great enhancements of the capabilities of gamma cameras, SPECT, PET, CT and DR machines as well as their use in Homeland Security applications. Methods of fabrication of such radiation detectors are decribed.

    Abstract translation: 本发明包括将闪烁辐射检测器构造为光子带隙晶体或三维细丝层,因此能够实现极高的空间分辨率并实现辐射探测器的虚拟分布,而无需物理分隔壁。 在康普顿相机中精确测量反冲电子轨迹的能力使得能够评估伽马射线撞击检测器的方向,从而分配准直器,从而大大降低伽马相机检测到的辐射强度。 本发明可以大大提高伽马相机,SPECT,PET,CT和DR机器的功能,以及它们在国土安全应用中的应用。 描述制造这种辐射探测器的方法。

Patent Agency Ranking