| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 250390110 |
Including a scintillator
| 30 |
| 250391000 |
Methods
| 26 |
| 250390040 |
Composition analysis
| 12 |
| 250390020 |
Radiographic analysis
| 7 |
| 250390030 |
With dose measurement
| 6 |
| 250392000 |
With indicating or recording means
| 6 |
| 250390070 |
Spectrum analysis
| 6 |
| 250390120 |
Position-sensitive | 5 |
| 20100038551 | Neutron absorption detector - A method of detecting an activator, the method including impinging a receptor material that is not predominately water and lacks a photoluminescent material with an activator and generating Cherenkov effect light due to the activator impinging the receptor material. The method further including identifying a characteristic of the activator based on the light. | 02-18-2010 |
| 20100163744 | Long Range Neutron-Gamma Point Source Detection and Imaging Using Rotating Detector - This application relates to radiation detection, and more particularly, to a method and device for the remote detection and localization of nuclear materials in an unknown background. A method and apparatus for long range neutron and gamma ray detection and imaging is disclosed wherein a panel of thin walled tube detectors are rotated to enhance detection performance. The method and apparatus have particular applicability to portable monitoring and homeland security. | 07-01-2010 |
| 20120153180 | Sealed Boron Coated Straw Detectors - The present invention is a method and apparatus for operating boron-coated straw detectors in sealed mode, without the need for a continuous flow of gas. Sealed-mode operation is necessary when using the boron-coated straw detectors in the field, where access to a continuous flow of the required gas mixture is not practical. Also, sealed-mode operation is necessary when the straw detectors are used as portable instruments, that must be moved from one location to the next swiftly, or that must be operated while in motion. | 06-21-2012 |
| 20130240749 | MULTI-SENSOR NEUTRON SOURCE LOCATION SYSTEM - An apparatus for determining a location of a neutron emitting source includes: a plurality of neutron detectors configured to receive incoming neutrons from an area of interest, each neutron detector being configured to produce an image of a path of light depicting a direction of travel of an incoming neutron; and a central processor coupled to each neutron detector in the plurality of neutron detectors and configured to receive the direction of travel of the incoming neutron from each neutron detector and to compute the location using the received directions. | 09-19-2013 |
| 20140175298 | 3D MAPPING WITH TWO ORTHOGONAL IMAGING VIEWS - Methods, systems, and apparatuses, including computer programs encoded on a computer storage medium, for generating location and size measurements for small scattered objects in a large medium are disclosed. | 06-26-2014 |
| 250390100 |
Including beam control | 3 |
| 20090283691 | NEUTRON SHIELDING FOR DOWNHOLE TOOL - A downhole tool for performing measurement of a formation. The tool comprising a housing surrounding a source for generating neutrons and a detector for detecting the neutrons. A shield is located outside of, or embedded in, the housing and focuses the neutrons. | 11-19-2009 |
| 20130168565 | CELLULAR THERMAL NEUTRON DETECTOR - The present invention provides a cellular thermal neutron detector, comprising: a cellular structure comprised of one or more hollow regular hexagonal prism-shaped cellular units, wherein a neutron absorbing material is coated on an inner side of a pipe wall of each of the cellular units. Since the neutron-sensitive cellular structure is employed, the present invention can perform thermal neutron detection without using the scarce nuclide 3He, and effectively reduce the manufacture costs of the thermal neutron detector. Further, the present invention has characteristics such as a reduced or eliminated neutron detecting dead zone. | 07-04-2013 |
| 20150060686 | Radiation-monitoring system with correlated hodoscopes - At least one pair of hodoscope radiation monitors arranged to simultaneously monitor a target region that contains a source of radiation. The hodoscopes are preferably arranged so that their fields of view of the region are approximately orthogonal. The fields of view of the two detectors will overlap in a region that contains the source of radiation. Each of the two detectors will record radiation from the overlap region and, in addition, will record background radiation emanating from other regions within detector fields of view. The present invention provides statistical correlation techniques to estimate the extent to which unusually high radiation originates in the overlap region, irrespective of background in the field-of-view of individual hodoscope detectors. The source of radiation might be spontaneous, might be from an activation process, or might be scattered in from an external beam. | 03-05-2015 |
| 250390060 |
Density/thickness/consistency analysis | 1 |
| 20140158897 | METHODS, SYSTEMS, AND COMPUTER PROGRAM PRODUCTS FOR MEASURING THE DENSITY OF MATERIAL INCLUDING A NON-NUCLEAR MOISTURE PROPERTY DETECTOR - The subject matter described herein includes methods, systems, and computer program products for measuring the density of a material. According to one aspect, a material property gauge includes a nuclear density gauge for measuring the density of a material. A radiation source adapted to emit radiation into a material and a radiation detector operable to produce a signal representing the detected radiation. A first material property calculation function may calculate a value associated with the density of the material based upon the signal produced by the radiation detector. The material property gauge includes an electromagnetic moisture property gauge that determines a moisture property of the material. An electromagnetic field generator may generate an electromagnetic field where the electromagnetic field sweeps through one or more frequencies and penetrates into the material. An electromagnetic sensor may determine a frequency response of the material to the electromagnetic field across the several frequencies. | 06-12-2014 |
| Entries |
| Document | Title | Date |
|---|
| 20080224060 | METHOD AND SYSTEM FOR DETECTING EXPLOSIVES - A method of detecting explosives in a vehicle includes providing a first rack on one side of the vehicle, the rack including a neutron generator and a plurality of gamma ray detectors; providing a second rack on another side of the vehicle, the second rack including a neutron generator and a plurality of gamma ray detectors; providing a control system, remote from the first and second racks, coupled to the neutron generators and gamma ray detectors; using the control system, causing the neutron generators to generate neutrons; and performing gamma ray spectroscopy on spectra read by the gamma ray detectors to look for a signature indicative of presence of an explosive. Various apparatus and other methods are also provided. | 09-18-2008 |
| 20080315108 | Neutron detector - A neutron detector comprises a gas-filled dielectric shell, preferably a glass balloon, having opposite electrodes. An electric field is established whereby ionizing particles may be detected via ionization and current flow in the gas, using a pulse height analyzer or other conventional means. The dielectric shell preferably has low gas permeability and a bulk resistivity in the range of 10 | 12-25-2008 |
| 20080315109 | Neutron detector - A neutron detector has a volume of neutron moderating material and a plurality of individual neutron sensing elements dispersed at selected locations throughout the moderator, and particularly arranged so that some of the detecting elements are closer to the surface of the moderator assembly and others are more deeply embedded. The arrangement captures some thermalized neutrons that might otherwise be scattered away from a single, centrally located detector element. Different geometrical arrangements may be used while preserving its fundamental characteristics. Different types of neutron sensing elements may be used, which may operate on any of a number of physical principles to perform the function of sensing a neutron, either by a capture or a scattering reaction, and converting that reaction to a detectable signal. High detection efficiency, an ability to acquire spectral information, and directional sensitivity may be obtained. | 12-25-2008 |
| 20090101830 | DETECTION OF ALPHA-PARTICLE EMITTING ISOTOPES - A system and method for detection of alpha particles generated by a test material in proximity to a light atomic weight element. The system includes a neutron detector that is configured to detect a rate of generation of neutrons produced by an (alpha, n) reaction between the test material and the light atomic weight element. There is also at least one gamma-ray detector configured to measure a rate of generation of 511 keV gamma rays produced by an annihilation reaction triggered by a positron emission from a daughter product of the light atomic weight element. A comparator is configured to compare the rate of generation of neutrons and the rate of generation of 511 keV gamma rays. | 04-23-2009 |
| 20090200480 | INTEGRATED NEUTRON-GAMMA RADIATION DETECTOR WITH OPTICAL WAVEGUIDE AND NEUTRON SCINTILLATING MATERIAL - An integrated neutron-gamma radiation detector includes a gamma sensing element, a neutron sensing element comprising a neutron scintillating material at least partially surrounded by an optical waveguide material, and a photosensing element optically coupled to both the gamma sensing element and the neutron sensing element. A portion of the gamma sensing element is capable of being disposed within a central aperture of the neutron sensing element. In one aspect, the neutron sensing element comprises a plurality of cylindrical, concentric shells forming the central aperture for receiving the gamma sensing element. In another aspect, the neutron sensing element comprises a plurality of strands forming a multi-layered structure and forming the central aperture for receiving the gamma sensing element. | 08-13-2009 |
| 20090230314 | GAMMA SOURCE FOR ACTIVE INTERROGATION - A cylindrical gamma generator includes a coaxial RF-driven plasma ion source and target. A hydrogen plasma is produced by RF excitation in a cylindrical plasma ion generator using an RF antenna. A cylindrical gamma generating target is coaxial with the ion generator, separated by plasma and extraction electrodes which has many openings. The plasma generator emanates ions radially over 360° and the cylindrical target is thus irradiated by ions over its entire circumference. The plasma generator and target may be as long as desired. | 09-17-2009 |
| 20090230315 | Neutron Imaging Camera, Process and Apparatus for Detection of Special Materials - Systems, processes, and apparatus are described through which fast neutrons are detected, their momenta are measured and a position of a source of the fast neutrons is determined from the measured momenta. For example, a multiple-cell neutron-sensitive camera is described. Each cell includes a neutron detection cell that also functions as a time expansion chamber and a micro-well detector coupled to the time expansion chamber. | 09-17-2009 |
| 20090283690 | SYSTEM AND METHODS FOR DETECTING CONCEALED NUCLEAR MATERIAL IN CARGO - A cargo inspection system and active inspection methods for operating the same to confirm or clear a presence of explosives and/or nuclear materials in cargo. The active inspection methods use high-energy photons and/or neutrons to induce fission, and measure prompt neutrons, delayed neutrons, and delayed gamma-rays. Additionally, if one or more suspect objects are identified within the cargo with a preceding radiographic or computed tomography scan, a microprocessor calculates a position that produces optimal active inspection signals. The cargo or one of a primary radiation source, a secondary radiation source, or one or more radiation detectors are moved to this calculated position before fission occurs. | 11-19-2009 |
| 20100044577 | MICROCHANNEL PLATE DEVICES WITH TUNABLE RESISTIVE FILMS - A microchannel plate for detecting neutrons includes a hydrogen-rich polymer substrate that defines a plurality of channels extending from a top surface of the substrate to a bottom surface of the substrate, where neutrons interact with the plurality of channels to generate at least one secondary electron. A top electrode is positioned on the top surface of the substrate and a bottom electrode is positioned on the bottom surface of the substrate. A resistive layer is formed over an outer surface of the plurality of channels that provides ohmic conduction with a resistivity that is substantially constant. An emissive layer is formed over the resistive layer. Neutron interaction products interact with the plurality of channels defined by the substrate and the emissive films to generate secondary electrons that cascade within the plurality of channels to provide an amplified signal related to the detection of neutrons. | 02-25-2010 |
| 20100258733 | COMPOSITE DIELECTRIC FINS IN ENHANCED AREA BORON COATED NEUTRON DETECTORS - A neutron detector that includes a hollow member extending along and circumscribing an axis. The hollow member has an interior surface and bounds a volume. The detector also includes an anode extending within the volume. The detector also includes a cathode that includes at least one fin extending within the volume. The fin has a substrate material with at least one surface. At least part of the interior surface of the hollow member and the surface of the at least one fin have neutron sensitive material thereon. | 10-14-2010 |
| 20100258734 | NEUTRON SENSITIVITY USING DETECTOR ARRAYS - A neutron detector includes an anode and a cathode. The cathode circumscribes the anode and has a plurality of planar segments facing the anode. In one embodiment, the neutron detector is part of an array of neutron detectors. | 10-14-2010 |
| 20100258735 | B10 NEUTRON DETECTOR IN PIE SHAPED SECTORS - A neutron detector array that includes a hollow member circumscribing an axis and bounding a volume. A divider extends parallel to the axis within the hollow member to divide the volume into a plurality of volume portions. A plurality of anodes extend parallel to the axis; at least one anode within each volume portion. A plurality of cathodes wherein the hollow member has an interior surface and the divider has surfaces that are coated with neutron sensitive material. Also, a neutron detector that includes a hollow cathode bounding a volume portion with at least a partial wedge cross-section, and an anode extending thought the volume portion. An electric field exists during operation of the neutron detector within the volume portion, the electric field varying across the cross-section, and the anode being located at an area of maximum field strength within the field. The detector may be used in the array. | 10-14-2010 |
| 20100258736 | NEUTRON SENSITIVITY BY INCREASING BORON SURFACE AREA - A neutron detector including an anode and a cathode. The cathode extends proximate the anode and has a face including boron. The face has varied topography. The varied provides increased surface density. | 10-14-2010 |
| 20100258737 | HIGH SENSITIVITY B-10 NEUTRON DETECTORS USING HIGH SURFACE AREA INSERTS - A neutron detector that includes an anode and a cathode. The cathode includes at least one portion that has a porous substrate with surface segments that define open pores and a layer of neutron sensitive material on the surface segments of the porous substrate. | 10-14-2010 |
| 20100314549 | NEUTRON DETECTORS COMPRISING BORON POWDER - High-efficiency neutron detector substrate assemblies comprising a first conductive substrate, wherein a first side of the substrate is in direct contact with a first layer of a powder material comprising | 12-16-2010 |
| 20110049379 | NEUTRON DETECTORS MADE OF INORGANIC MATERIALS AND THEIR METHOD OF FABRICATION - A neutron detector, or array of neutron detectors, and method for fabricating same, having active region comprised of inorganic materials such as semiconductors and/or small particles and/or molecules. The detector active region is comprised of a layer or multi-layer heterojunction structure such as p-n junction wherein at least one layer comprises a composite of host semiconductor material in which neutron sensitizing guest material is distributed in all directions throughout the host semiconductor. This composite layer contains neutron capturing atoms such as | 03-03-2011 |
| 20110068274 | USING UV LIGHT SOURCE FOR SELF TESTING GAS FILLED GAMMA AND NEUTRON DETECTORS - An apparatus for detecting at least one of neutron and gamma ray reception and outputting a signal indicative of the reception. A detector is responsive to the at least one of neutron and gamma ray reception. The detector has a cathode, an anode separated by a space from the cathode, and a gas within the separating space. Charge is generated within the gas upon the at least one of neutron and gamma ray reception at the cathode and the charge passes to the anode as a detection. A processing arrangement is operatively connected to the anode for outputting the signal indicative of the detection. A light irradiation arrangement for introducing a light irradiation causes charge within the gas that replicates the charge generated upon detection and that causes output of a signal that replicates the signal indicative of the detection. | 03-24-2011 |
| 20110163242 | LAYERED SEMICONDUCTOR NEUTRON DETECTORS - Room temperature operating solid state hand held neutron detectors integrate one or more relatively thin layers of a high neutron interaction cross-section element or materials with semiconductor detectors. The high neutron interaction cross-section element (e.g., Gd, B or Li) or materials comprising at least one high neutron interaction cross-section element can be in the form of unstructured layers or micro- or nano-structured arrays. Such architecture provides high efficiency neutron detector devices by capturing substantially more carriers produced from high energy α-particles or γ-photons generated by neutron interaction. | 07-07-2011 |
| 20120032090 | SYSTEMS, METHODS, AND APPARATUS FOR ANODE AND CATHODE ELECTRICAL SEPARATION IN DETECTORS - Certain embodiments of the invention may include systems, methods, and apparatus for providing anode and cathode electrical separation in detectors. According to an example embodiment of the invention, a method is presented for providing a neutron detector tube. The method may include applying a conductive layer to at least a portion of an inner surface of a non-conductive cathode tube associated with a neutron detector; applying a neutron sensitive cathode coating to at least a portion of the conductive layer; sealing a first portion of the neutron detector tube with a cathode cap; and sealing a second portion of the neutron detection tube with an anode cap. | 02-09-2012 |
| 20120119102 | NEUTRON DETECTION BY NEUTRON CAPTURE-INITIATED RELAXATION OF A FERROELECTRICALLY, FERROMAGNETICALLY, AND/OR CHEMICALLY METASTABLE MATERIAL - A system for detecting radiation using an array of cells containing a metastable material together with sensing apparatus and display apparatus. | 05-17-2012 |
| 20120161023 | NEUTRON DETECTORS COMPRISING ULTRA-THIN LAYERS OF BORON POWDER - High-efficiency neutron detector substrate assemblies comprising a first conductive substrate, wherein a first side of the substrate is in direct contact with a first layer of a powder material having a thickness of from about 50 nm to about 250 nm and comprising | 06-28-2012 |
| 20120175525 | HIGH PERFORMANCE NEUTRON DETECTOR WITH NEAR ZERO GAMMA CROSS TALK - A neutron detector includes a photo sensor with an electrical signal output electrically connected with an electrical signal input node of an electrical signal amplifier circuit. A resistive load is electrically connected between the electrical signal input node and a reference voltage node. The resistive load is a smaller resistance than an open circuit input resistance of the electrical signal amplifier circuit at the electrical signal input node thereby reducing the effective input resistance of the amplifier as seen by the photo sensor's electrical signal output. The neutron detector includes a set of scintillation layers connected to a light guide that channels light to the photo sensor. Moderator material is applied around the set of layers reducing thermal neutron absorption within the detector and increasing detector efficiency. | 07-12-2012 |
| 20120187305 | MICROCHANNEL PLATE DETECTOR AND METHODS FOR THEIR FABRICATION - A multi-component tunable resistive coating and methods of depositing the coating on the surfaces of a microchannel plate (MCP) detector. The resistive coating composed of a plurality of alternating layers of a metal oxide resistive component layer and a conductive component layer composed of at least one of a metal, a metal nitride and a metal sulfide. The coating may further include an emissive layer configured to produce a secondary electron emission in response to a particle interacting with the MCP and a neutron-absorbing layer configured to respond to a neutron interacting with the MCP. | 07-26-2012 |
| 20120273689 | Microchannel Plate Devices With Tunable Resistive Films - A microchannel plate for detecting neutrons includes a hydrogen-rich polymer substrate that defines a plurality of channels extending from a top surface of the substrate to a bottom surface of the substrate, where neutrons interact with the plurality of channels to generate at least one secondary electron. A top electrode is positioned on the top surface of the substrate and a bottom electrode is positioned on the bottom surface of the substrate. A resistive layer is formed over an outer surface of the plurality of channels that provides ohmic conduction with a resistivity that is substantially constant. An emissive layer is formed over the resistive layer. Neutron interaction products interact with the plurality of channels defined by the substrate and the emissive films to generate secondary electrons that cascade within the plurality of channels to provide an amplified signal related to the detection of neutrons. | 11-01-2012 |
| 20120305788 | Detection of Neutrinos - A flux detection apparatus can include a radioactive sample having a decay rate capable of changing in response to interaction with a first particle or a field, and a detector associated with the radioactive sample. The detector is responsive to a second particle or radiation formed by decay of the radioactive sample. The rate of decay of the radioactive sample can be correlated to flux of the first particle or the field. Detection of the first particle or the field can provide an early warning for an impending solar event. | 12-06-2012 |
| 20120326047 | Method and System for Detecting Neutron Radiation - A method for detecting neutron radiation in accordance with particular embodiments includes exposing a neutron detector array comprising at least one two-dimensional array of neutron detectors to a first scene of interest. The neutron detector array is based on at least one two-dimensional array of microbolometer detectors. The method also includes receiving a plurality of response values from a corresponding plurality of neutron detectors of the neutron detector array. The method further includes generating a comparison value based on the plurality of response values and a baseline response value. The method additionally, includes determining whether more than a first threshold amount of neutron radiation is being generated by the first scene based on the comparison value. | 12-27-2012 |
| 20130020492 | ION CHAMBER BASED NEUTRON DETECTORS - A neutron detector with monolithically integrated readout circuitry, including: a bonded semiconductor die; an ion chamber formed in the bonded semiconductor die; a first electrode and a second electrode formed in the ion chamber; a neutron absorbing material filling the ion chamber; and the readout circuitry which is electrically coupled to the first and second electrodes. The bonded semiconductor die includes an etched semiconductor substrate bonded to an active semiconductor substrate. The readout circuitry is formed in a portion of the active semiconductor substrate. The ion chamber has a substantially planar first surface on which the first electrode is formed and a substantially planar second surface, parallel to the first surface, on which the second electrode is formed. Desirably, the distance between the first electrode and the second electrode may be equal to or less than the 50% attenuation length for neutrons in the neutron absorbing material filling the ion chamber. | 01-24-2013 |
| 20130161524 | HE-3 TUBE ARRAY ALIGNMENT MOUNT - An arrangement for detecting energy particle impingement includes a support frame and a multi-tube detector pack. Each pack includes multiple detector tubes. Each tube contains at least one sensitive material. Each tube is elongate along a respective axis. The tubes extend parallel with the respective axes being co-planar. Each pack includes mounting tabs located at each axial end. The tabs provide support for the tubes within the pack. At least one of the tabs has at least one securing portion and at least one adjusting portion. Each pack includes at least one operable securing member extending from the respective securing portion to the frame. Operation of the securing member secures the pack to the support frame. Each pack includes at least one operable adjusting member extending from the respective adjusting portion to the frame. Operation of the adjusting member changes an orientation of the pack. | 06-27-2013 |
| 20130299713 | Multiplier Tube Neutron Detector - A neutron detecting device using a neutron-reactive material as the source of charged particles to feed conventional dynode-based electron multiplier which not gas-filled (i.e., with | 11-14-2013 |
| 20140061489 | Boron-Coated Straw Detectors With Shaped Straws - A system for detecting fissile materials which utilizes boron coated straw detectors in which the straws have non-circular cross sections. Embodiments include straws having star shaped cross sections of various configurations including a six pointed star. The system can include tubular housings having one or more shaped straws stacked within the housings. | 03-06-2014 |
| 20140061490 | BORON-COATED NEUTRON DETECTOR AND METHOD FOR MANUFACTURING THE SAME - A boron-coated neutron detector, comprising a cathode tube with a plurality of passages formed therein along its longitudinal direction, the inner wall of each passage being coated with boron material; an electrode wire serving as an anode and arranged longitudinally in each of the passages, the electrode wire adapted to be applied with high voltage; and an insulating end plate to which each end of the cathode tube is fixed, the electrode wire being fixed to the cathode tube via the insulating end plate. Preferably, the cathode tube is formed by jointing a plurality of boron-coated substrates. The boron-coated neutron detector increases the detection efficiency of the neutron detector, which may reach or even exceed the detection efficiency of the | 03-06-2014 |
| 20140077092 | Pixilated Neutron Detector - Disclosed is a pixilated neutron detector including one or more pixel-cells defined by a plurality of perimeter walls, the pixel cells including a cathode and an anode, the cathode being at least one wall of the pixel-cell, the cathode being lined with an interaction material, the anode disposed inside the pixel-cell, the cathode and anode structured to provide an electrical field within the pixel-cell to collect charged particles released by neutrons interacting with the interaction material lining, and a signal processing chain communicably coupled to each of the one or more pixel cells to transmit a signal indicative of a neutron interaction event within the pixel-cell, the signal processing chain including analog signal processing electronics communicably coupled to digital signal processing electronics. | 03-20-2014 |
| 20140110593 | Method and Apparatus for Fabricating Boron Coated Straws for Neutron Detectors - An apparatus and a process are disclosed for straw tube formation utilized in manufacturing boron coated straw neutron detectors. A preferred embodiment of the process for creating a thin walled straw for use in a boron-coated straw neutron detector comprises providing foil having a boron coating on a surface, forming the coated foil into a cylindrical tube having a longitudinal seam and the boron coated surface on the inside of the cylindrical tube, and then ultrasonically welding closed the seam of the tube. Optionally, the cylindrical tube can then be drawn through a die to form a straw tube having a non-circular cross section, preferably a star-shaped cross section. | 04-24-2014 |
| 20140299780 | Neutron Detection and Collimation - A device includes a neutron-sensitive composition. The composition includes, in weight percent, a non-zero amount of aluminum oxide (e.g., approximately 1% to approximately 3.5% aluminum oxide), greater than 12% (e.g., approximately 12% to approximately 17%) boron oxide, greater than approximately 60% silicon oxide (e.g., approximately 62% to approximately 68% silicon oxide), and a non-zero amount of sodium oxide (e.g., approximately 10% to approximately 14% sodium oxide). The device is capable of interacting with neutrons to form an electron cascade. | 10-09-2014 |
| 20140299781 | METHOD FOR PRODUCING A NEUTRON DETECTOR COMPONENT COMPRISING A BORON CARBIDE LAYER FOR USE IN A NEUTRON DETECTING DEVICE - A method for producing a neutron detector component ( | 10-09-2014 |
| 20140367580 | WELD JOINT DESIGN FOR AUTOMATIC WELDING OF TUBULAR DETECTORS - A detector includes an outer shell having a shell profile in which a welded portion of the shell profile extends as an annular flange in an outward direction relative to a center axis of the outer shell. The detector further includes an end cap positioned adjacent the welded portion of the outer shell. The end cap and the welded portion of the outer shell are welded together to form a seal. A method of making a detector is also provided. | 12-18-2014 |
| 20150144799 | HIGH VOLTAGE SHIELDING TO ENABLE PASCHEN REGION OPERATION FOR NEUTRON DETECTION SYSTEMS - An electrical system for an atomic particle detection assembly includes an electrical component electrically connected to an atomic particle detection unit. The electrical system includes a dielectric insulating material surrounding the electrical component. The electrical system also includes a conductive shielding material surrounding the dielectric insulating material. The conductive shielding material and a conductive element are at substantially the same electric potential. | 05-28-2015 |
| 20160018538 | Thin Gap Chamber Neutron Detectors - The present specification describes systems and methods for the simultaneous detection of radioactive materials such as neutrons, muons and gamma rays based on thin gap chamber technology. A thin-gap chamber (TGC) is disclosed having a thermal neutron absorber material, such as | 01-21-2016 |
| 20160131775 | NEUTRON MEASUREMENT APPARATUS AND NEUTRON MEASUREMENT METHOD - According to an embodiment, a neutron measurement apparatus has: a neutron detector; a preamplifier that amplifies an output signal of the neutron detector and outputs a neutron detection signal; a pulse counting unit that measures the neutron intensity by using pulse counting method by which the neutron detection signal is used to count the number of individual pulses; a Campbell measurement unit that measures the neutron intensity by using Campbell method by which a time average of squares of AC component of the neutron detection signal is calculated; a correction constant calculation unit that calculates a correction constant for correcting an output of the Campbell measurement unit by using an output of the pulse counting unit and an output of the Campbell measurement unit; and a correction value calculation unit that outputs, based on the output of the Campbell measurement unit, a corrected value by using the correction constant. | 05-12-2016 |
| 20170234809 | SYSTEM FOR DETERMINING AND IMAGING WAX DEPOSITION AND CORROSION IN PIPELINES | 08-17-2017 |
| 20170234813 | SYSTEM FOR DETERMINING AND IMAGING WAX DEPOSITION AND CORROSION IN PIPELINES | 08-17-2017 |
