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| Number | Title | Issue Date |
| 7994483 | Gas electron multiplier and manufacturing method for gas electron multiplication foil used for same as well as radiation detector using gas electron multiplier To attain objects to reduce the spread of electrons as compared with a conventional one without degrading the multiplication factor of electrons; to provide a large electron multiplication factor; and to improve positional resolution, there is provided a gas electro... | 08/09/2011 |
| 7982191 | Plasma panel based ionizing radiation detector A radiation detector is formed from a plasma panel that includes a front substrate, and a back substrate that forms a generally parallel gap with the front substrate. X (column) and Y (row) electrodes are coupled by gas discharge events to define one or more pixels.... | 07/19/2011 |
| 7902515 | Radiation beam analyzer and method A radiation beam analyzer for measuring the distribution and intensity of radiation produced by a CyberKnife®. The analyzer employs a relative small tank of water into which a sensor is placed. The distance between the sensor and the radiation source is not varied.... | 03/08/2011 |
| 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 Plasma-tube filled with an ionizable gas. Arrays of Plasma-tubes are positioned... | 09/07/2010 |
| 7576331 | UV gas discharge tubes In use of a UV gas discharge tube (such as used in flame monitoring apparatus), an electric field is periodically applied in the tube, each application of the field being followed by an ‘off’ period in which the field is removed. During this process, the mean va... | 08/18/2009 |
| 7564039 | Dual substrate plasma panel based ionizing radiation detector A plasma panel based ionizing-photon radiation detector includes an input and output substrate with gamma-ray to free-electron conversion occurring primarily on the input plate and a sealed discharge gas between the substrates. X-electrodes and Y-electrodes are form... | 07/21/2009 |
| 7518119 | Plasma panel based ionizing radiation detector A radiation detector is formed from a plasma panel that includes a front substrate, and a back substrate that forms a generally parallel gap with the front substrate. X (column) and Y (row) electrodes are coupled by gas discharge events to define one or more pixels.... | 04/14/2009 |
| 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 necessary build-up material between the radiation beam and contained ... | 12/30/2008 |
| 7465936 | Measuring method, exposure apparatus, and device manufacturing method A measuring method that utilizes a bandpass filter and a measurement apparatus to measure an intensity of light having a predetermined wavelength among lights emitted from a light source, the bandpass filter transmitting the light having the predetermined wavelength... | 12/16/2008 |
| 7432510 | Dosimeter based on a gas electron multiplier for dose measurements of therapeutic radiation A dosimeter based on a gas electron multiplier and method of use thereof for measurement of doses of therapeutic radiation to which a tissue-phantom is exposed. Subsequent to the in-phantom measurement and verification of radiation beam delivery, radiation can be ef... | 10/07/2008 |
| 7368726 | Method and apparatus for detecting high-energy radiation using a pulse mode ion chamber A method for measuring high-energy radiation flux includes applying a positive voltage to electrodes in an ion chamber filled with a gas capable of forming charged ions by a high-energy radiation, measuring a positive ion current signal related to ion currents induc... | 05/06/2008 |
| 7368707 | Radiation detector including means for indicating satisfactory operation A radiation detector, comprising a sensitive volume filled with a counter gas; an anode and a cathode each in communication with the counter gas; a voltage supply for maintaining a potential difference between the anode and the cathode, said potential difference bei... | 05/06/2008 |
| 7369057 | Power generator and power generator auxiliary monitoring A generator monitoring system and method includes a plurality of sensors (12) disposed within a generator enclosure (18) to sense health conditions of a generator (10) housed within the enclosure. The sensors are interconnected to provide a sing... | 05/06/2008 |
| 7361668 | Quinuclidine derivatives processes for preparing them and their uses as m2 and/or m3 muscarinic receptor inhibitors The invention concerns quinuclidine derivatives of formula I or II wherein the substituents are as defined in the specification, as well as their use as pharmaceuticals. The compounds of the invention show high affinities for m3 and/or m2 muscarinic receptors and ar... | 04/22/2008 |
| 7359482 | X-ray detector system A mobile X-ray detector system is disclosed including a mobile X-ray detector and a mobile dosimeter arranged on the X-ray detector, at least during operation. Furthermore, an X-ray facility is disclosed for cooperating with such an X-ray detector system, an X-ray s... | 04/15/2008 |
| 7332726 | Plasma panel based ionizing radiation detector A radiation detector is formed from a plasma panel that includes a front substrate, and a back substrate that forms a generally parallel gap with the front substrate. X (column) and Y (row) electrodes are coupled by gas discharge events to define one or more pixels.... | 02/19/2008 |
| 7285943 | Method of forming a reference voltage and structure therefor A selected bandgap reference (11) of a voltage generator (10) is operated at a duty cycle that is less than one hundred percent. The seclectable bandgap reference (11) has at a high current consumption when enabled and a low current consumption ... | 10/23/2007 |
| 7274020 | Gamma vector camera A gamma vector camera detects and determines the energy and the direction of an incident gamma ray. The gamma vector camera includes a detector that produces scintillation light upon interaction with the incident gamma ray. A sensor records the locations and the int... | 09/25/2007 |
| 7256402 | Flat panel X-ray imager with a grid structure A flat panel X-ray imager using an amorphous selenium detector which uses a polymer grid structure within the X-ray conversion layer to form an interface between the X-ray conversion layer and the pixel electrodes. The grid structure provides an additional physical ... | 08/14/2007 |
| 7250613 | Device for detecting ionizing radiation using a layer of fluorescent material The invention relates to a device for capturing ionizing radiation, in which a substrate which is provided with a phosphor layer is accommodated in a housing. To simplify the device and to ensure a high light yield, the invention provides that a means for buffering ... | 07/31/2007 |
| 7242007 | Small-gap light sensor A sensor having a light detector with a small gap between the cathode and anode to enable a high pressure cavity resulting in a long lifetime of the detector due to insignificant sputtering from the cathode and subsequent minimal burying of the noble gas in the cavi... | 07/10/2007 |
| 7230431 | Integrating electrometer amplifying circuit An aerosol particle spectrometer utilizes a high voltage central electrode and a series of annular, axially arranged collector electrodes maintained at ground, for collecting positively charged particles suspended in an aerosol flowing between the electrodes. Each c... | 06/12/2007 |
| 7227152 | Device to measure a radiation dose A device to measure a radiation dose, in particular an x-ray radiation dose, which absorbs radiation and provides an absorption-conditional output signal representing a measurement for the dose, has at least one absorption structure disposed on a foil-like carrier, ... | 06/05/2007 |
| 7205548 | High quantum efficiency x-ray detector for portal imaging The present invention provides a practical design of a megavoltage x-ray detector with both high quantum efficiency (QE) and high resolution. The x-ray detector disclosed herein has a QE that can be an order of magnitude higher than that of current flat panel system... | 04/17/2007 |
| 7196336 | Apparatus for injecting plasma gas in atmosphere An apparatus for injecting plasma in the atmosphere is provided, including a plurality of dielectric panels (13a, 13b, 13c), and 13d, which are disposed in parallel at predetermined intervals, a gas supply port... | 03/27/2007 |
| 7196631 | Method of utilizing existing fire alarm systems and existing smoke detectors to detect aerolized radioactive material A method of utilizing existing fire panel infrastructure to fight terrorism. The fire alarm systems ionization type smoke detectors, in addition to detecting the presence of smoke, would also detect the presence of airborne radioactive particles by effecting only a ... | 03/27/2007 |
| 7196333 | Radiation detector using a composite material and method for making same A detector of radiation uses a composite material, and process manufactures the detector. The detector includes layers (6) of a semiconducting composite material including a host matrix made of a polymer and semiconducting-type guest particles dispersed throu... | 03/27/2007 |
| 7193220 | Modular radiation bean analyzer The instant invention is a modular radiation beam analyzer for measuring the distribution and intensity of radiation produced by a radiation source. More specifically, the instant invention is a modular radiation scanning device that includes up to three modules. By... | 03/20/2007 |
| 7189975 | 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 necessary build-up material between the radiation beam and contained ... | 03/13/2007 |
| 7186986 | Radiation detector with converters A high efficiency radiation detector employs longitudinally extending converter elements receiving longitudinally propagating radiation to produce high-energetic electrons received by detector structures in interstitial spaces. The secondary electron generation in t... | 03/06/2007 |
| 7180977 | Scanning-based detection of ionizing radiaion for tomosynthesis A scanning-based apparatus for obtaining tomosynthesis data of an object performing a periodic movement comprises a radiation source emitting radiation around an axis of symmetry; a radiation detector comprising line detectors, each being directed towards the diverg... | 02/20/2007 |
| 7170066 | Method and apparatus for determining the intensity distribution of a radiation field The invention relates to a method and apparatus for determining the intensity distribution of a radiation field. In the method, the ionization caused by the radiation field is detected by parallel ionization detector planes arranged in an ionization chamber, two of ... | 01/30/2007 |
| 7171252 | Methods, computer program products, and devices for calibrating chronically tissue implanted sensors using chronically tissue Calibration of in vivo oxygen and pH sensor systems can be performed by generating a constituent element of an environment proximate to an in vivo sensor electrode via an in vivo generating electrode and determining a level of the constituent element in the tissue v... | 01/30/2007 |
| 7161153 | Apparatus and method for detecting α-ray An α-ray measuring apparatus is provided for accurately analyzing the energy of a trace of α-rays emitted from a sample in a short time using semiconductor detectors which excel in energy resolution. The α-ray measuring apparatus comprises an α-ray detector incl... | 01/09/2007 |
| 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 detector including a set of spaced-apart electrodes and an ionization ga... | 01/02/2007 |
| 7151267 | Methods and devices for measuring the activity of a radioisotope A method of measuring the activity of a radioisotope (3) placed in an ionisation chamber (1) consists in:—determining the energy spectrum of the radiation emitted by the radioisotope;—automatically comparing the energy spectrum with a set of pre-re... | 12/19/2006 |
| 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 as, but not limited to, Argon:CO2. A wire is suspended al... | 12/19/2006 |
| 7133197 | Metal-dielectric coating for image sensor lids An infrared filter includes an optical filter stack disposed on a first surface of a substrate, the optical filter stack includes a plurality of dielectric layers and a plurality of metal layers alternating with the dielectric layers. and a transmission-enhancing co... | 11/07/2006 |
| 7127029 | Arrangement and method for obtaining tomosynthesis data A scanning-based arrangement for obtaining tomosynthesis data of an object (5) at high repetition rate comprises a support structure (11); scanning-based apparatuses (10) fixedly arranged on the support structure and each including (i) radiation... | 10/24/2006 |
| 7106828 | X-ray imaging using pixelated gas detectors X-ray imaging systems are provided. A representative x-ray imaging system includes a gas detector that is configured to retain a volume of gas. The gas detector incorporates a first detection circuit corresponding to a first region of the gas and a second detection ... | 09/12/2006 |
