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| Number | Title | Issue Date |
| 8129689 | Thermoelectric conversion device, and radiation detector and radiation detection method using the same A radiation detector including a substrate; a first inclined thin film disposed on a first main surface of the substrate, and having crystal planes serving as a factor in inducing anisotropy; a second inclined thin film disposed on a second main surface of the subst... | 03/06/2012 |
| 8049178 | Semiconductive materials and associated uses thereof High rate radiation detectors are disclosed herein. The detectors include a detector material disposed inside the container, the detector material containing cadmium, tellurium, and zinc, a first dopant containing at least one of aluminum, chlorine, and indium, and ... | 11/01/2011 |
| 7807977 | Systems, methods and apparatus for row-correlated noise monitoring in digital X-ray systems Systems, methods and apparatus are provided through which in some embodiments, row-correlated noise of a digital X-ray detector is monitored during idle operation of the digital X-ray detector and the magnitude of the row-correlated noise is compared to a visible th... | 10/05/2010 |
| 7741611 | Radiation detector power management for portable/handheld applications A radiation detector includes at least one multiple channel pixelated detector driven via a plurality of pixelated anode electrodes and at least one planar cathode electrode. Each detector is configured to reduce the number of active pixelated anode electrodes until... | 06/22/2010 |
| 7655920 | Conversion apparatus, radiation detection apparatus, and radiation detection system A conversion apparatus includes pixels including switching elements provided on an insulating substrate and conversion elements disposed over the switching elements and connected to the switching elements. Conductive lines are coupled to the pixels and have terminal... | 02/02/2010 |
| 7518118 | Depth sensing in CdZnTe pixel detectors Interaction depth of photons in a CdZnTe pixel detector is measured by configuring an ASIC connected to the detector to measure both positive polarity and negative polarity signal amplitudes and then measuring a core pixel having positive signal amplitude and hallow... | 04/14/2009 |
| 7507971 | Radioactive ray detector A wiring substrate section 2 is provided between a radiation detecting section 1, which is formed of a scintillator 10 and a PD array 15, and signal processing elements 30 and 32 for processing a detected signal outputted fr... | 03/24/2009 |
| 7402812 | Method for gain calibration of an X-ray imaging system, and X-ray imaging system In order to increase the useful surface of an X-ray detector, in particular a flat image detector, a method is provided for gain calibration of an X-ray imaging system with a digital X-ray detector including an active matrix having pixel readout units. Pixels are re... | 07/22/2008 |
| 7345285 | Spectra acquisition system with threshold adaptation integrator A method for exploiting a signal provided by a detector is disclosed. For one embodiment, the time spent by at least one part of the signal above a value S0 of a first threshold is determined. The charge corresponding to the part of the signal during the time... | 03/18/2008 |
| 7332724 | Method and apparatus for acquiring radiation data Method and apparatus for sensing and acquiring radiation data comprises sensing radiation events with a multi-modality detector. The detector comprises solid state crystals forming a matrix of pixels which may be arranged in rows and columns, and has a radiation det... | 02/19/2008 |
| 7323692 | Flat-panel detector with avalanche gain The present invention is an indirect AMFPI wherein a phosphor such as a structured cesium iodide (CsI) is used to convert x-ray energy to optical photons or a charge, which is then detected by a two-dimensional array of either thin-film transistors (TFTs) such as an... | 01/29/2008 |
| 7289602 | Portable, digital X-ray apparatus for producing, storing, and displaying electronic radioscopic images A portable, self-contained, electronic radioscopic imaging system uses a pulsed X-ray source, a remote X-ray sensor, and a self-contained, display and controller unit to produce, store, and/or display digital radioscopic images of an object under investigation. The ... | 10/30/2007 |
| 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 |
| 7176462 | Semiconductor device, and control method and device for driving unit component of semiconductor device A solid-state imaging device, such as a CMOS sensor, includes a unit pixel having a charge generation unit for generating signal charge, a floating diffusion for accumulating the signal charge generated by the charge generation unit, a transfer gate transistor for t... | 02/13/2007 |
| 7030386 | 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... | 04/18/2006 |
| 6878942 | Method and apparatus for detecting X-rays The present invention relates to a method of detecting X-rays for obtaining improved radiographic images including a step of orienting a semiconductor radiation detector whose height is greater than its thickness. The orienting step comprises a selection of an acute... | 04/12/2005 |
| 6749761 | Method for producing a high resolution detector array A method for producing a high resolution detector array so as to provide very high packing fraction, i.e. the distance between scintillator elements is minimized so the detector efficiency will be higher than is currently achievable. In the preferred embodiment of t... | 06/15/2004 |
| 6696362 | Method for using an in situ particle sensor for monitoring particle performance in plasma deposition processes Methods are provided for identifying root causes of particle issues and for developing particle-robust process recipes in plasma deposition processes. The presence of in situ particles within the substrate processing system is detected over a period of ti... | 02/24/2004 |
| 6559453 | Method and arrangement relating to x-ray imaging The present invention relates a method of enhancing contrast information from an x-ray detecting arrangement, when detecting a number of photons in said arrangement comprising at least two adjacently arranged sensors provided on one substrate, each sensor... | 05/06/2003 |
| 6392235 | Coded-aperture system for planar imaging of volumetric sources A coded aperture is placed in proximity of a patient's body and a 2D coded image is acquired in conventional manner. The basic data-acquisition geometry is similar to that used in various coded-aperture systems. According to one aspect of the invention, a... | 05/21/2002 |
| 6278119 | Using a delta-doped CCD to determine the energy of a low-energy particle The back surface of a thinned charged-coupled device (CCD) is treated to eliminate the backside potential well that appears in a conventional thinned CCD during backside illumination. The backside of the CCD includes a delta layer of high-concentration do... | 08/21/2001 |
| 6271526 | Efficient radiation coupling to quantum-well radiation-sensing array via evanescent waves Devices and techniques for using a prism to couple IR radiation to a quantum-well sensor with a polarization substantially perpendicular to the quantum-well layers.... | 08/07/2001 |
| 6255657 | Apparatuses and methods for detecting, identifying and quantitating radioactive nuclei and methods of distinguishing neutron stimulation of a radiation particle detector from gamma-ray stimulation of a detector In one aspect, the invention encompasses a method of detecting radioactive decay, comprising: a) providing a sample comprising a radioactive material, the radioactive material generating decay particles; b)providing a plurality of detectors proximate the ... | 07/03/2001 |
| 6215399 | Passive infrared motion detector and method Zones of a passive infrared (PIR) motion detector lens are staggered at close range to provide for pet immunity. In a dual sensor, dual lens configuration, the sensor signal is acted on to generate an alarm only when the sensor signal is simultaneous, ind... | 04/10/2001 |
| 6194714 | Method of processing autoradiography image This is a method of generating a plurality of images of a substrate from radioactive radiation coming from a plurality of radioactive tracers contained in the substrate. To this end, data representing the different detection signals generated by a detecto... | 02/27/2001 |
| 6175118 | Gamma camera According to the present invention, sub-windows using a TEW technique are centered to energies corresponding to 1/n and 1/m of maximal photon number in a standard energy spectrum without any scattering component. It is thus possible to improve a count coe... | 01/16/2001 |
| 6166384 | Method and apparatus for minimizing blurring and generating a high resolution image in a radiation imaging system A method for generating a high resolution image in a radiation imaging system which produces multiple exposure signals from a movable detector array is disclosed. The image data signals or image acquisition signals generated from the image detector assemb... | 12/26/2000 |
| 6078053 | X-ray image erasure method Erasure of an x-ray imaging device is performed by applying high voltage and erasing light simultaneously. The polarity of the high voltage may be reversed during the erasure operation. This produces an erasure that eliminates non-uniformities or ghosts a... | 06/20/2000 |
| 6028314 | Method for correcting image errors in an x-ray image, and x-ray diagnostic apparatus and solid-state radiation detector operating in accordance with the method In a method for correcting the image errors arising during an x-ray diagnostic measurement from the memory effect of a radiation-sensitive structure, particularly in the form of a photodiode array, of a solid-state detector which receiving the x-rays, giv... | 02/22/2000 |
| 5986267 | Asymmetrically split charged coupled device A charged coupled device is disclosed including an asymmetrical split with independent control over the regions on opposite sides of the split. The charge coupled device is configurable for use in multiline or kinetic spectroscopy, and includes two separa... | 11/16/1999 |
| 5905264 | Semiconductor detector A semiconductive detector includes a semiconductor substrate having electrodes formed at two opposite-facing surfaces thereof. A peripheral side-wall extends between the two opposite facing-surfaces, and an electrical insulator is formed on at least a por... | 05/18/1999 |
| 5859436 | Method for determining photonuclear reaction cross section and transforming atomic nucleus A germanium detector measures an energy spectrum of a gamma ray flux. The detector includes a cooling layer continuous over a periphery of the columnar germanium crystal. The cooling layer reduces current leakage induced by heat, so that high energy gamma... | 01/12/1999 |
| 5677538 | Photodetectors using III-V nitrides A photodetector using a III-V nitride and having predetermined electrical properties is disclosed. The photodetector includes a substrate with interdigitated electrodes formed on its surface. The substrate has a sapphire base layer, a buffer layer formed ... | 10/14/1997 |
| 5574758 | Method for measuring gamma-rays of radionuclides, particularly in primary water of nuclear reactor A gamma-rays measurement method of radionucludes (iodine-131, cobalt-60, etc.) coexisting with radionuclides (nitrogen-13, fluorine-18, cobalt-58, etc.) each emitting a pair of annihilation gamma-rays, particularly in primary water of a nuclear reactor by... | 11/12/1996 |
| 5489782 | Method and apparatus for quantum-limited data acquisition The invention relates to forming an image from a random particle flux. Particles of the flux are detected by a discrete-cell detector having a cell size finer than conventionally used. Preferably, the cell size is sufficiently small that almost all cells ... | 02/06/1996 |
| 5260225 | Integrated infrared sensitive bolometers A method for fabricating an integrated infrared sensitive bolometer having a polycrystalline element whereby an oxide region deposited on silicon nitride covered with a first polysilicon layer which is etched to provide a location for a bolometer element.... | 11/09/1993 |
| 5047645 | Thin film infrared laser detector and monitor A detecting or monitoring device for laser radiation is able to oeprate at room temperature and employs a thin film of semi-conductor material of non-centrosymmetric lattice structure having a substantial crystallographic texture; thin film may suitably b... | 09/10/1991 |
| 4976266 | Methods of in vivo radiation measurement Methods of and apparatus for in vivo radiation measurements relay on a MOSFET dosimeter of high radiation sensitivity with operates in both the passive mode to provide an integrated dose detector and active mode to provide an irradiation rate detector. A ... | 12/11/1990 |
| 4822748 | Photosensor with enhanced quantum efficiency A method to significantly increase the quantum efficiency (QE) of a CCD (or similar photosensor) applied in the UV, far UV and low energy x-ray regions of the spectrum. The increase in QE is accomplished by overthinning the backside of a CCD substrate bey... | 04/18/1989 |
| 4672544 | Dosimeter-radiation meter and method for measuring the dose flow of ionizing radiance Disclosed is a dosimeter-radiation meter for measuring a dose flow of ionizing radiation including a Geiger-Mueller tube and data processing circuitry. The data processing circuitry comprises a circuit for shaping and amplifying the pulses delivered by th... | 06/09/1987 |
