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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...
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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:...
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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...
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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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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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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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6437513 |
Ionization chamber for ion beams and method for monitoring the intensity of an ion beam
The invention relates to an ionization chamber for ion beams and to a method of monitoring the intensity of an ion therapy beam by way of such an ionization chamber. For that purpose, the...
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6433335 |
Geiger-Mueller triode for sensing the direction of incident ionizing gamma radiation
A Geiger-Mueller triode directional sensor is provided to detect the direction of incident ionizing gamma radiation, comprising a housing divided into two subchambers, or GM counters, separated by...
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6429578 |
Diagnostic and therapeutic detector system for imaging with low and high energy X-ray and electrons
A detector unit for detecting photons in the energy range 1 keV to 100 MeV, includes at least two converter layers adapted to interact with incident X-ray photons and to cause electrons to be...
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6414317 |
Radiation detector, an apparatus for use in planar beam radiography and a method for detecting ionizing radiation
A detector ( 64 ) for detection of ionizing radiation, an apparatus for use in planar beam radiography, comprising such a detector, and a method for detecting ionizing radiation. The detector...
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6389103 |
Method and an apparatus for radiography and a radiation detector
A method and apparatus for radiography and also a detector for detecting incident radiation. In the method and the apparatus X-rays ( 9 ) are emitted from an X-ray source ( 60 ). The X-rays which...
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6385282 |
Radiation detector and an apparatus for use in radiography
A detector for detection of ionizing radiation, and an apparatus for use in planar beam radiography, including such a detector. The detector includes a chamber filled with an ionizable gas. First...
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6380542 |
Radiation image detecting system
A radiation image detecting system includes a solid radiation detector made up of a plurality of solid radiation detecting elements which are two-dimensionally arranged and convert radiations...
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6356617 |
Device for digital subtraction angiography
The invention relates to a device for digital subtraction angiography in an energy subtraction mode with a special electronic circuit.
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6337482 |
Spectrally resolved detection of ionizing radiation
Spectrally resolved detection of ionizing radiation in a detector comprising a chamber ( 13 ) filled with an ionizable substance, a radiation entrance ( 33 ), an electron avalanche amplification...
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6331706 |
Collection of ions
The apparatus and method provide an improved technique for detecting ions as the area from which ions are attracted to a detector is increased, consequently increasing the number of ions detected....
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6329658 |
Device and method for processing signals from a radiation detector with semiconductors
A system for processing signals from a radiation detector with semiconductors. A plurality of elementary detectors are placed side-by-side along a detection surface or a detection volume in which...
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6326626 |
Relating to ion detection
The apparatus and method provide a technique for improving detection of alpha and/or beta emitting sources on items or in locations using indirect means. The emission forms generate ions in a...
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6316773 |
Multi-density and multi-atomic number detector media with gas electron multiplier for imaging applications
A multi-detector system receives incident radiation through a subject includes a gaseous microstrip detector, which has alternating anodes and cathodes on a substrate opposite a voltage source, is...
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6236711 |
Radiation measuring device comprising an ionization chamber
The invention relates to an ionization chamber which includes a plurality of measuring field electrodes (131 . . . 133) which are arranged on a substrate (120) at a distance from one another and...
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6218668 |
Coplanar interdigitated grid detector with single electrode readout
The coplanar interdigitated grid technique with single electrode readout provides substantial spectral performance improvement over that of conventional full-area planar electrode detectors and...
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6207958 |
Multimedia detectors for medical imaging
The application of gas-detection principles on both dual-energy detection, such as for chest radiography and mammorgraphy, and quantitative autoradiography enhances dramatically the image quality...
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6198798 |
Planispherical parallax-free X-ray imager based on the gas electron multiplier
A parallax-free X-ray imager in which a parallel X-ray beam is directed to a crystal for illuminating an entrance window is formed in a vessel filled with an ionizing gas in which primary electrons...
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6133575 |
High-resolution position detector for high-flux ionizing particle streams
This detector comprises a gas chamber (2) containing plane electrodes (4, 6, 8) delimiting conversion (C) and amplification (A) gaps. One of the electrodes is perforated with holes (18) and forms...
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6118125 |
Method and a device for planar beam radiography and a radiation detector
A method and apparatus for radiography, and especially for planar beam radiography, and also a detector for detecting incident radiation. In the method and the apparatus, wherein X-rays are emitted...
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6087664 |
Process and device for measuring the radiation depth of radiation
The invention pertains to a measurement device comprising two sensors for measuring radiation doses. The sensors are, for example, optical waveguides aligned along a straight line. One of the...
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6083624 |
Carbon material and method of preparing the same
A graphite having geometrically shaped holes limited to the top atomic layer such as circles, polygons and combinations thereof, and a method of preparing a graphite having geometrically shaped...
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6078039 |
Segmental tube array high pressure gas proportional detector for nuclear medicine imaging
A structure for detecting radiation, useful in an imaging camera for nuclear medicine, comprising a plurality of tubes, each of said tubes having (1) an electrically conductive wall structure...
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