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8158953 |
Plasma panel based radiation detector
A position-sensitive radiation counting detector includes a first and a second substrate. A gas is contained within the gap between the substrates. A photocathode layer is coupled to the first...
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8129690 |
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...
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8053739 |
Particle beam generating system and method with measurement of the beam spot of the particle beam
A device to measure the beam spot of a particle beam, has a device that records the projections of the beam spot in many directions that are essentially perpendicular to the direction of the...
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8044365 |
High-resolution ion chamber
Nested ionization chambers provide independent measurements of a radiation beam that does not fully irradiate the volume of one or both chambers. By mathematically combining these independent...
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8030619 |
Radiation sensor array using conductive nanostructures
A system may include a conductive substrate, a plurality of conductive nanostructures disposed on a first side of the conductive substrate, an insulating substrate, and a plurality of electrodes...
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8000447 |
Co-axial, high energy gamma generator
A gamma ray generator includes an ion source in a first chamber. A second chamber is configured co-axially around the first chamber at a lower second pressure. Co-axially arranged plasma apertures...
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7902516 |
Plasma panel based radiation detector
A radiation counting detector includes a first substrate and a second substrate that is generally parallel to the first substrate and forms a gap with the first substrate. A gas is contained within...
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7875867 |
Non-ambipolar radio-frequency plasma electron source and systems and methods for generating electron beams
An electron generating device extracts electrons, through an electron sheath, from plasma produced using RF fields. The electron sheath is located near a grounded ring at one end of a negatively...
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7858949 |
Multi-anode ionization chamber
The present invention includes a high-energy detector having a cathode chamber, a support member, and anode segments. The cathode chamber extends along a longitudinal axis. The support member is...
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7851822 |
Full frame ITO pixel with improved optical symmetry
A charge-coupled device includes a photosensitive region for collecting charge in response to incident light; a first and third gate electrode made of a transmissive material spanning at least a...
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7807981 |
Data processing device, tomography apparatus for examination of an object of interest, method of examining an object of interest, computer-readable medium and program element
A data processing device, comprising a plurality of emitter antennas arranged on a movable data acquisition device and adapted to emit electromagnetic radiation including data acquired by the...
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7791037 |
Plasma-tube radiation detector
A radiation detection device comprising a plasma display panel (PDP) with a multiplicity of radiation detection pixels, each radiation detection pixel being defined by a hollow elongated...
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7737424 |
X-ray window with grid structure
A high strength window for a radiation detection system includes a plurality of intersecting ribs defining a grid having openings therein with tops of the ribs terminate substantially in a common...
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7701578 |
Planar micro-discharge gas detector
A micro-sized gas detecting device with two electrodes separated by a gap of width ranging from 1 to 500 microns, where the detection is based on emission spectroscopy of gases in an electric...
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7683340 |
Plasma panel based radiation detector
A radiation counting detector includes a first and a second substrate. A gas is contained within the gap between the substrates. A photocathode layer is coupled to one side of the first substrate...
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7649183 |
Apparatus for monitoring an item for radioactive material on or associated with the item
Method and apparatus is provided for monitoring an item for radioactive material on or associated with the item, the apparatus including an enclosed volume, an item monitoring location, a detection...
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7495229 |
Multi-anode radiation detector
A nuclear radiation detector is disclosed wherein the capacitance of the detector is significantly reduced. This improvement results in more efficient and accurate measurements of radiative...
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7485870 |
Pneumatic infrared detector
An infrared (IR) radiation detector adapted to detect IR radiation by measuring pneumatic expansion of a sense chamber that is caused by a temperature increase within that chamber due to the...
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7476867 |
Device and method for quality assurance and online verification of radiation therapy
A radiation monitor and method of monitoring the radiation delivered to a target by a radiation device is described. The radiation monitor contains a set or matrix of pixel ion chambers. The pixel...
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7470912 |
Wire-free, dual-mode calibration instrument for high energy therapeutic radiation
An instrument for checking quality of therapeutic x-ray and electron radiation provides modes optimized for both electrons and for photons obtained by physically flipping the unit to interpose the...
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7470913 |
High efficiency and high homogeneity large-area gas-filled radiation detector
In a preferred embodiment, a radiation detector, including: one or more anode wires disposed within a body of the radiation detector, connections to and suspension of the one or more anode wires...
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7459691 |
Cassette for a storage fluorescent screen
The invention relates to a cassette, in particular an X-ray cassette, for receiving a storage fluorescent screen. The cassette has on one of its narrow sides an opening through which the storage...
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7375342 |
Plasma-shell radiation detector
A radiation detection device comprising a plasma display panel (PDP) with a multiplicity of radiation detection pixels, each radiation detection pixel being defined by a hollow gas filled...
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7157718 |
Microfabricated radiation detector assemblies methods of making and using same and interface circuit for use therewith
Microfabricated, gas-filled radiation detector assemblies, methods of making and using same and interface circuit for use therewith are provided. The assembly includes a micromachined radiation...
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7151266 |
Nuclear cargo detector
Apparatus for the inspection of cargo containers for nuclear materials comprising one or more arrays of modules comprising grounded, closed conductive tubes filled with an ionizing gas mixture such...
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7099436 |
Coherent scatter imaging
A method for the detection of ionizing radiation including directing ionizing radiation towards an object to be examined, preventing Compton scattered radiation from being detected, and detecting...
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7078705 |
Neutron and gamma detector using an ionization chamber with an integrated body and moderator
A detector for detecting neutrons and gamma radiation includes a cathode that defines an interior surface and an interior volume. A conductive neutron-capturing layer is disposed on the interior...
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7078704 |
Cylindrical ionization detector with a resistive cathode and external readout
A new design for a cylindrical ionization detector, featuring a resistive cathode, and external pickup wires that sense both the azimuthal and radial coordinates of interaction vertices. Combined...
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7019307 |
Delay line anodes
In detectors for imaging and other applications, delay line anodes are arrayed so as to allow detection of the location and/or timing of particle hits. The anodes are arrayed to provide an upper...
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6933506 |
Microstrip gas chamber
The present invention relates to a microstrip gas chamber and microstrip plate capable of reading signals from readout electrodes provided at a rear surface of the substrate in a superior manner...
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6919575 |
Radioactive sources
Radioactive sources are made from a foil (10) containing radioactive material, by cutting out hexagonal foil elements (12) from the foil, leaving no uncut portions of foil between adjacent...
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6891165 |
Ionizing radiation detector and method for manufacturing such a detector
An ionizing radiation detector comprising a plurality of conductive tubes arranged in parallel fashion containing a gas mixture under pressure, a conductive wire being tensed at the center of each...
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6878944 |
Two-dimensional detector of ionizing radiation and method for making same
Two-dimensional detector of ionizing radiation and process for manufacturing this detector This detector comprises sheets (4) emitting particles by interaction with ionizing radiation,...
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6847042 |
Centroid apparatus and method for sub-pixel X-ray image resolution
An apparatus for detecting X-rays comprises a scintillator which emits a plurality of photoelectrons upon being impacted by an X-ray photon. The photoelectrons are amplified in a gas electron...
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6822239 |
Corpuscular beam image detector using gas amplification by pixel type electrodes
A particle beam image detector employing gas amplification attained by pixel-type electrodes has high sensitivity and improved reliability of electrodes. Electrons e− produced through ionization o...
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6818901 |
Gaseous-based radiation detector
A radiation detector comprises two electrode arrangements, each including a dielectric substrate and an electrically conducting layer formed on a first surface of respective dielectric substrate,...
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6794656 |
Radiation detector arrangement
A scanning-based radiation detector arrangement for two-dimensional imaging of an object comprises a plurality of one-dimensional detector units, each comprising an entrance slit, through which...
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6717153 |
Apparatus and methods for monitoring emissions
Ions produced by radioactive gases present in air impact on the sensitivity of contamination measuring instruments which detect ions generated by radioactive materials present on an item. Methods...
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6703619 |
Multi-grid type microstrip gas chamber
A microstrip gas chamber (MSGC) comprises a gas volume, an electrically insulating substrate having a surface exposed to the gas volume. A set of alternating cathode strips and anode strips are...
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6664545 |
Gate for modulating beam of charged particles and method for making same
Bradbury-Nielson gates for the modulation of beams of charged particles, particularly ion beams in mass spectrometry, have been produced with an adjustable wire spacing down to 0.075 mm or a...
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6661013 |
Device and method for two-dimensional detection of particles or electromagnetic radiation
The invention concerns a device and method for two-dimensional imaging and timing of particles or electromagnetic radiation with improved pulse-pair resolution. A detector, e.g. a michrochannel...
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6627897 |
Detection of ionizing radiation
The present invention describes an apparatus for detection of ionizing radiation, wherein the incident radiation ionizes a substance, and the electrons released as a result thereof are accelerated...
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6546070 |
Adaptable energy-resolved detection of ionizing radiation
A detector for detection of ionizing radiation comprises a first cathode and a first anode between which a first voltage is applicable; an ionizable gas arranged at least partly between the first...
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6522722 |
Collimation of radiation from line-like ionizing radiation sources and planar radiation beam detection related thereto
An apparatus for planar beam radiography comprises an ionizing radiation source and an ionizing radiation detector; the ionizing radiation source being line-like and extending substantially in a...
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6518578 |
Method for detecting ionizing radiation, a radiation detector and an apparatus for use in planar beam radiography
A method for detecting ionizing radiation, a detector (64) for detection of ionizing radiation, and an apparatus for use in planar beam radiography, including the detector. The detector includes: a...
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6476397 |
Detector and method for detection of ionizing radiation
A detector for detection of ionizing radiation comprises a chamber (13) filled with an ionizable gas, and including a first (17, 19) and a second (21) electrode arrangement between which a first...
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6462344 |
X-ray image detector and a method for fabricating the same
An X-ray image detector includes a photoelectric conversion part providing electric charges in accordance with the received amount of light; a charge storage part (storage capacitor) having a first...
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6456681 |
Neutron flux measuring apparatus
A neutron flux measuring apparatus, adapted to a boiling-water reactor (BWR) of a nuclear power plant and an advanced boiling-water reactor (ABWR) of a nuclear power plant, for measuring a neutron...
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6452190 |
Radiation detector provided with an absorption chamber and a plurality of avalanche chambers
In order to obtain suitable absorption of the radiation to be detected in the detector gas of a radiation detector, in particular an X-ray detector, the detector is constructed in such a way that...
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6452191 |
Multiple cell radiation detector system, and method, and submersible sonde
A multiple cell radiation detector includes a central cell having a first cylindrical wall providing a stopping power less than an upper threshold; an anode wire suspended along a cylindrical axis...
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