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X-ray or gamma-ray system

Subclass of:

250 - Radiant energy

250336100 - INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING

250370010 - Semiconductor system

250370080 - Imaging system

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DocumentTitleDate
20090050815ORGANIC SEMICONDUCTOR RADIATION/LIGHT SENSOR AND RADIATION/LIGHT DETECTOR - There is provided a high-sensitivity organic semiconductor radiation/light sensor and a radiation/light detector which can detect rays in real time. In the high-sensitivity organic semiconductor radiation/light sensor, a signal amplification wire 02-26-2009
20100140491RADIATION SENSITIVE DETECTOR - An apparatus includes an x-ray source (06-10-2010
20080258068DEVICE AND METHOD FOR GENERATING AN X-RAY POINT SOURCE BY GEOMETRIC CONFINEMENT - A device for generating an x-ray point source includes a target, and an electron source for producing electrons which intersect with the target to generate an x-ray point source having a size which is confined by a dimension of the target.10-23-2008
20110192984METHOD AND EQUIPMENT FOR PRODUCING DRIFT DETECTORS - Silicon drift detectors are produced for location and energy measurement as well as spectroscopic applications by depositing a single high quality dielectric film followed by deposition of at least one low quality dielectric film.08-11-2011
20100072383RADIATION DETECTING ELEMENT - The present invention provides a radiation detecting element that can obtain radiation images by X-rays of different energies by irradiation of X-rays at a single time, without positional offset arising. X-ray detecting sections, that generate charges corresponding to irradiated X-rays, are provided at an obverse side and a reverse side of a substrate. At each pixel, the X-ray detecting sections are disposed so as to be layered with respect to a direction of irradiation of X-rays.03-25-2010
20100072382APPARATUS OF PHOTOCONDUCTOR CRYSTAL GROWTH - An image acquisition device comprises a photoconductor, a substrate including a detector array, and an interlayer between the photoconductor and the substrate, wherein the interlayer is formed of molecules having a first ligand and a second ligand.03-25-2010
20100072384ELECTRON BEAM SCANNER - An electron beam scanner includes a stationary source producing an electron beam and a detector positioned to partially circumscribe a scan field, the detector divided into a pair of detector rings arranged adjacent to one another and separated by a gap extending at least partially about a circumference of the detector. The electron beam scanner also includes a target arranged concentric with the detector and located opposite the detector across the scan field, the target having end portions circumferentially overlapping the detector and radially aligned with the gap between the detector rings, such that when the electron beam impinges on the target the target transmits radiation through the gap across the scan field to an associated section of the detector.03-25-2010
20100127182X-ray radiation detector for use in a CT system - At least one embodiment of the invention relates to an X-ray radiation detector, in particular for use in a CT system. In at least one embodiment, the X-ray radiation detector includes a semiconductor material used for detection, at least two ohmic contacts between the semiconductor material and a contact material, the semiconductor material and contact material each having a specific excitation energy of the charge carriers, with the excitation energy of the contact material corresponding to the excitation energy of the semiconductor material. At least one embodiment of the invention furthermore relates to a CT system in which an X-ray radiation detector is used, the X-ray radiation detector advantageously having at least two ideal ohmic contacts according to at least one embodiment of the invention.05-27-2010
20100044575PORTABLE RADIATION DETECTOR - There is provided a portable radiation detector including: a housing; a wireless communication section accommodated in the housing, and carrying out wireless communication of image data of a detected radiation image; a cable whose one end portion is connected to the housing; a connector provided at another end portion of the cable, and able to be connected to an external device; and a connector holding mechanism provided at the housing, and holding the connector removably at the housing.02-25-2010
20100044574PORTABLE RADIATION DETECTOR - A portable radiation detector includes: a housing accommodating therein a radiation detecting section that detects radiation; a structural member disposed at an outer side of the housing and formed integrally with the housing; and an antenna, provided at the structural member, for carrying out wireless communication of image data of a radiation image.02-25-2010
20100108898SYSTEMS, METHODS AND APPARATUS FOR REDUCTION OF FIELD-EFFECT TRANSISTOR LEAKAGE IN A DIGITAL X-RAY DETECTOR - Systems, methods and apparatus are provided through which in some implementations field-effect-transistor (FET) leakage from a pixel array panel of a digital X-ray detector is reduced by acquiring an image and an offset image from the pixel array panel of the digital X-ray detector while a negative voltage of the pixel array panel is at a higher level than a negative voltage of a threshold state of the pixel array panel of the digital X-ray detector.05-06-2010
20100108899PHOTOELECTRIC CONVERTER AND X-RAY IMAGE PICK-UP DEVICE - A photoelectric converter includes a plurality of substrates, which are located adjacent to each other and on which a plurality of photoelectric conversion devices are two-dimensionally arranged, and either scan circuits or detection circuits that are arranged on two opposing sides of the photoelectric converter, whereby scanning directions either from the scan circuits or from the detection circuits, which are arranged on the two opposing sides, are capable of being set so as to be performed in like directions.05-06-2010
20090146070X-RAY IMAGING MATRIX WITH LIGHT GUIDES AND INTELLIGENT PIXEL SENSORS, RADIATION OR HIGH ENERGY PARTICLE DETECTOR DEVICES THAT CONTAIN IT, ITS FABRICATION PROCESS AND ITS USE - The present invention refers to a radiation or high energy particles detector, which can be used in obtaining digital radiographic images. The detector is composed of two parts: a scintillator matrix (06-11-2009
20090045347Detector module, radiation detector and radiation recording device - A detector module is disclosed including a plurality of directly converting detector submodules, each with a back contact, and a scattered radiation collimator spanning the detector submodules. For contacting the back contacts, a contacting unit is provided in at least one embodiment and designed so that a contact connection is established between the contacting unit and the counter-electrodes by way of assembly-related proximity of the scattered radiation collimator and the counter-electrodes.02-19-2009
20090045346X-RAY IMAGING DEVICE AND METHOD FOR THE MANUFACTURING THEREOF - The present invention discloses an X-ray imaging device comprising an X-ray absorber that comprises a plurality of semiconductor layers. The plurality of semiconductor layers comprise a substrate having a backside; and at least one absorption layer adapted to absorb at least one X-ray photon impinging on the at least one absorption layer that is adapted to correspondingly generate in response to the at least one impinging X-ray photon at least one electron-hole pair; and a readout unit, wherein the readout unit is operatively coupled to the X-ray absorber such to enable readout of the at least one electron-hole pair. Additional and alternative embodiments are described and claimed.02-19-2009
20100006768PROCESS FOR PRODUCING Bi12XO20 POWDER, Bi12XO20 POWDER, RADIATION PHOTO-CONDUCTOR, RADIATION DETECTOR, AND RADIATION IMAGING PANEL01-14-2010
20100006767Radiographic imaging system - A radiographic imaging system comprises: imaging unit including a radiation source for emitting radiation and a radiation detector for detecting radiation emitted from the radiation source and having penetrated a subject; moving unit for moving the imaging unit between a plurality of imaging positions that partially share an imaging region with each other; control unit for sequentially moving the imaging unit to the imaging positions with the moving unit, causing the radiation source to emit radiation to acquire a short image with the radiation detector in each imaging position, and acquiring a dark image with the radiation detector after acquiring the short image; and image processing unit for performing residual image correction upon the short image acquired in each of the imaging positions based upon the dark image acquired immediately before the acquisition of the short image and thereafter combining corrected short images to obtain a long radiographic image.01-14-2010
20080296507SYSTEMS, 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 threshold.12-04-2008
20120217410RADIOGRAPHIC IMAGE CAPTURING SYSTEM AND RADIOGRAPHIC IMAGE CAPTURING DEVICE - A radiation image capturing system includes: a detecting section provided with a plurality of radiation detection elements arranged two-dimensionally in small regions each partitioned by a plurality of scanning lines and a plurality of signal lines, wherein, prior to radiation image capturing operation, processing of reading out leak data from the radiation detection elements is repeated, a start of irradiation is detected when any one of values calculated by calculation of the leak data using a plurality of mutually differing calculation methods exceeds a corresponding set threshold value among the threshold values set to the plurality of the calculation methods, a scope of the image data containing a defect based on information of the calculation method is identified, and then the image data in the identified scope is repaired with a reparation method corresponding to the calculation method.08-30-2012
20090294680ENERGY RESOLUTION IN SEMICONDUCTOR GAMMA RADIATION DETECTORS USING HETEROJUNCTIONS AND METHODS OF USE AND PREPARATION THEREOF - In one embodiment, a system comprises a semiconductor gamma detector material and a hole blocking layer adjacent the gamma detector material, the hole blocking layer resisting passage of holes therethrough. In another embodiment, a system comprises a semiconductor gamma detector material, and an electron blocking layer adjacent the gamma detector material, the electron blocking layer resisting passage of electrons therethrough, wherein the electron blocking layer comprises undoped HgCdTe. In another embodiment, a method comprises forming a hole blocking layer adjacent a semiconductor gamma detector material, the hole blocking layer resisting passage of holes therethrough. Additional systems and methods are also presented.12-03-2009
20090266994IMAGING SYSTEM FOR IMAGING AN OBJECT - The present invention relates to an imaging system for imaging an object (10-29-2009
20110012022Direct Conversion X-Ray Imaging Device With Strip Electrodes - A flat panel X-ray imager using an amorphous selenium detector which uses a dielectric layer within the X-ray conversion layer to form an interface between the X-ray conversion layer and the high voltage bias electrode. To accomplish the removal of trapped counter charges at the dielectric/selenium layer, a plurality of discrete or strip electrodes are provided in contact with the dielectric layer and which are electrically coupled into distinct groups. During X-ray exposure, a high bias voltage is applied to all groups of strip electrodes. Following X-ray exposure and image readout, the groups of strip electrodes are energized using a plurality of differently-phased energization signals to drive trapped counter charges toward “gutter” strip electrodes at the sides of the detector. A second embodiment of the flat panel X-ray imager includes sandwiching the discrete electrodes in a dielectric layer applied against the selenium layer and including a continuous electrode on the opposite side of the dielectric layer. Application of a high voltage bias to the continuous electrode results in an electric field in the selenium layer that is smoothed during X-ray acquisition. Discrete electrode energization to drive trapped counter charges to the gutter electrodes occurs while the high voltage bias is present.01-20-2011
20130068955CONTROL DEVICE FOR RADIATION IMAGING APPARATUS AND CONTROL METHOD THEREFOR - A control device that controls a sensor capable of changing a magnitude of an accumulation capacitance of an electric charge for each pixel includes an acquisition unit configured to acquire an output value according to an accumulated electric charge of each pixel of the sensor, a determination unit configured to determine whether the accumulation capacitance of each pixel is saturated based on the output value, and a setting unit configured to set magnitude of the accumulation capacitance for each pixel according to the determined accumulation capacitance.03-21-2013
20130214169PARALLEL MODE READOUT INTEGRATED CIRCUIT FOR X-RAY IMAGE SENSOR - Embodiments of the present invention provide a computer-implemented method for parallel readout for an X-ray image sensor module having a pixel array. Specifically, among other things, embodiments of the present invention provide a computer-implemented infrastructure comprising: generating a pixel data for each pixel within a respective pixel row of the pixel array based on a photon count; receiving a first serial pixel data, wherein the first serial pixel data comprises pixel data from a plurality of pixels of a first column; receiving a second serial pixel data, wherein the second serial pixel data comprises pixel data from a plurality of pixels of a second column; and shifting the first serial pixel data from the first column register to the second column register.08-22-2013
20090026382Radiation detector - A radiation detector includes a substrate, a lower electrode disposed on the substrate, a radiation detecting layer formed on the upper surface of the lower electrode, an upper electrode formed on the upper surface of the radiation detecting layer, a protection layer which is formed on the upper electrode, whose end portion extends to an end surface of the substrate and which covers the upper electrode, and a reinforcement member which is formed from the lower surface of the substrate to the surface of the protection layer and which covers the end portion of the protection layer.01-29-2009
20090026381Radiation detector - An extended electrode is electrically connected to a conductor in a portion outside of an inner wall of a protection member disposed on a photoconductive layer side, the pressure applied to the photoconductive layer is reduced and the deterioration of the photoconductive layer may be suppressed. Further, since the extended electrode is electrically connected to a high-voltage wire in a portion outside of the inner wall of the protection member, the extended electrode may be connected to the high-voltage wire in the state that the photoconductive layer is surrounded by the protection member. As a result, deterioration of the photoconductive layer may be suppressed even while a connection work is performed.01-29-2009
20120199750RADIOGRAPHIC IMAGE DETECTOR AND GAIN SETTING METHOD FOR RADIOGRAPHIC IMAGE DETECTOR - In a radiography system, after a radiation dose, signal charges are accumulated in sensor pixels in an imaging area of a flat panel detector corresponding to the dosed amounts of radioactive rays on the pixels. The signal charges are read out from the pixels and converted into voltage signals representative of density levels of respective pixels of a radiographic image. Before reading the signal charges, a dose profile representative of distribution of the dosed amounts of radioactive rays is measured by leak currents from the pixels or bias currents through bias lines for applying a bias voltage to the pixels. Based on the contrast or difference between the maximum value and the minimum value in the dose profile, a gain of amplifiers for the voltage signals is determined such that the gain increases with decreasing contrast.08-09-2012
20110278465PHOTO DETECTING PIXELS AND X-RAY DETECTOR INCLUDING THE SAME - An X-ray detector including photo detecting pixels capable of reducing kTC switching noise (k: Boltzmann's constant; T: temperature; C: capacitance) by accurately performing correlated double sampling (CDS). Each of the pixels includes a first transistor comprising a first electrode connected to a first power line, a second electrode connected to a first node, and a gate electrode receiving the reset signal; a second transistor comprising a first electrode connected to the first power line, a second electrode connected to a second node, and a gate electrode connected to the first node; a third transistor comprising a first electrode connected to the second node, a second electrode connected to a data line, and a gate electrode connected to a gate line; a fourth transistor comprising a first electrode connected to the first node, a second electrode connected to a photo detecting diode, and a gate electrode receiving the control signal; and the photo detecting diode comprising a first electrode connected to the fourth transistor, and a second electrode connected to ground.11-17-2011
20110133096DIGITAL X-RAY DETECTOR ASSEMBLY - In one embodiment, a digital X-ray detector is provided with a detector assembly that includes a support panel, a digital detector array with a rear side of the detector array being secured to a front side of the support panel, a backscattered X-ray and reflected light absorption layer disposed between the detector array and the support panel, a rear shock absorbing structure secured to a rear side of the support panel, and a front shock absorbing structure secured to a front side of the detector array. The digital X-ray detector further includes a shell assembly surrounding the detector assembly and secured to the rear shock absorbing structure. In another embodiment, a method is provided for assembling a digital X-ray detector.06-09-2011
20120138808X-ray detector and method of driving the same - An X-ray detector and a method of driving the X-ray detector, which accurately compensate for an image lag of an X-ray scanning by using an X-ray image and a dark image, are provided. A stand-by time for the X-ray scanning may be reduced by increasing the accuracy of the image lag compensation.06-07-2012
20090065701CdZnTe Device Using Constrained Design For High-Flux X-Ray Spectroscopic Imaging Applications - A CdZnTe photon counting detector includes a core material of Cd03-12-2009
20110297838CHARGE LOSS CORRECTION - The present disclosure relates to the correction of charge loss in a radiation detector. In one embodiment, correction factors for charge loss may be determined based on depth of interaction and lateral position within a radiation detector of a charge creating event. The correction factors may be applied to subsequently measured signals to correct for the occurrence of charge loss in the measured signals.12-08-2011
20110291019Quantum-limited highly linear CMOS detector for computer tomography - The invention provides a CMOS CT detector design with high linearity, quantum-limited noise, good scalability, high fill factor with a single CMOS chip utilizing synchronous partial quantization. The CMOS CT detector includes a pixel array, digital column buses, analog column buses, column processing circuits, a shift register, a control signal generation circuit, and a reference generation circuit, and implements a synchronous partial quantization scheme with reset, integration and analog readout phases. Each pixel of the pixel array further includes a photodiode; an integration capacitor; an OPAMP; a reset switch; a comparator; a 1-bit dynamic random-access-memory (DRAM) cell; a circuit block for enabling subtraction of a substantially fixed amount of charge from the integrated photocharge if the integrated photovoltage increases beyond the reference voltage; an integration node; an analog buffer; and a switch coupled between the output of the DRAM cell and the digital column bus. The inclusion of a level-shifter and a current front-end improves the linearity of the detector.12-01-2011
20090283683Semiconductor device with a CMOS image sensor, apparatus comprising such a semiconductor device and method of manufacturing such a device - The invention relates to a semiconductor device with a semiconductor body comprising a CMOS image sensor with an active region having viewed in projection first sides and second sides perpendicular to the first sides said active region comprising a matrix of active pixels arranged in rows and columns, each pixel having a photosensitive region, the device further comprising a plurality of circuit elements for operating the pixel in the image forming process, the plurality of circuit elements comprising a first set of circuit elements for read-out of the columns and a second set of circuit elements for controlling the rows.11-19-2009
20090314948Radiation image capturing system and method of adjusting same - The present invention relates to a radiation image capturing system and a method of adjusting the same. An image capturing condition setting unit sets a target, a filter, and a tube voltage as image capturing conditions depending on the sensitivity characteristics of a radiation conversion panel that is selected by a panel selector, in a radiation source and a radiation source control apparatus. Radiation image information of a subject is recorded in the radiation conversion panel according to the set image capturing conditions. An image processing condition setting unit sets image processing conditions corresponding to the sensitivity characteristics of the radiation conversion panel in an image processor. The image processor processes the radiation image information acquired from the radiation conversion panel according to the set image processing conditions.12-24-2009
20120097858METHOD AND APPARATUS FOR MULTI-LAYERED HIGH EFFICIENCY MEGA-VOLTAGE IMAGER - A multi-layered mega-voltage digital imager is disclosed. In one embodiment, the radiation to particle conversion and particle to electricity conversion is paired as a modular entity. The entity is replicated on top of each other as a layered unit to build an imager with increased resolution and efficiency. Due to this paired replication, sub-images from each replicated pair may be selectively combined and processed to enhance the quality of the image. By varying and adding components at each layer, a different dose rate, and increased resolution, energy sensitivity and efficiency are achieved. The multilayered approach is cost effective and removes problems associated with traditional high efficient MV imagers used for high energy radiations.04-26-2012
20090146071Imaging Apparatus, Radiation Imaging Apparatus, and Radiation Imaging System - An imaging apparatus capable of reducing a line noise artifact in a simple configuration without complicated operations includes: a plurality of pixels arranged in row and column directions and having a photoelectric conversion element and a switch element; a plurality of signal wirings connected to the plurality of switch elements in the column direction; a read-out circuit connected to the plurality of signal wirings; and a power source for supplying a voltage to the photoelectric conversion element. With the configuration, the plurality of pixels are classified into a plurality of groups, and the power sources are independently provided for each of the plurality of groups.06-11-2009
20110260072Gamma-Camera Utilizing the Interaction Depth in a Detector - A method for underwater packaging of radioactive materials includes creating a vacuum in a cavity of a cleaning device to automatically cause a portion of the cleaning device to move upward to actuate the cleaning device from an open position to a closed position; mounting the cleaning device inside a safe containment area of a transportation and/or storage device; placing the transportation and/or storage device in a pool after filling the safe containment area with water; loading a radioactive material into the safe containment area; closing the transportation and/or storage device using at least one cover; extracting the transportation and/or storage device from the pool; draining the water inside the safe containment area; and creating a pressure differential in the safe containment area to dry the safe containment area, wherein the pressure differential causes the cleaning device to automatically actuate from the closed position to the open position.10-27-2011
20110260071COMPTON CAMERA - Plural camera heads are each placed in a position capable of detection of radiation emitted from a radiation source. Compton cones obtained from the detection data output from each of the plural camera heads are projected onto three-dimensional space and an image based on the radiation source is reconstructed. In addition, projected images from projecting Compton cones obtained from the detection data output from each camera head onto two-dimensional planes are also employed for determining a three-dimensional space excluding regions where the radiation source is not present. Reconstruction of images based on the radiation source is then performed within the determined three-dimensional space.10-27-2011
20110079729MEGAVOLTAGE IMAGING WITH A PHOTOCONDUCTOR BASED SENSOR - A photodetector for detecting megavoltage (MV) radiation comprises a semiconductor conversion layer having a first surface and a second surface disposed opposite the first surface, a first electrode coupled to the first surface, a second electrode coupled to the second surface, and a low density substrate including a detector array coupled to the second electrode opposite the semiconductor conversion layer. The photodetector includes a sufficient thickness of a high density material to create a sufficient number of photoelectrons from incident MV radiation, so that the photoelectrons can be received by the conversion layer and converted to a sufficient of recharge carriers for detection by the detector array.04-07-2011
20080237480Imaging of materials - An apparatus and method for obtaining an image of an object. The apparatus comprises a radiation source and a series of two to five linear detectors spaced therefrom to define a scanning zone; means to cause an object to move relative to and through the scanning zone; a direct image generation apparatus to generate an image from the output of a linear detector; an intermediate image generation apparatus configured to generate at least one intermediate image from an adjacent pair of linear detectors, by processing the output of the pair of detectors and generating an image representative of an output intermediate between the two said detector outputs; the image apparatus adapted such that at least five and preferably at least six images are generated in total; an image display adapted successively to display such images and thus display the monocular movement parallax between the images.10-02-2008
20090309035PHOTOELECTRIC CONVERTING APPARATUS - A photoelectric converting apparatus of the present invention includes a photoelectric converting element, a resetting transistor in which a source is connected to the photoelectric converting element and a drain is connected to a resetting power source, a readout transistor in which a gate is connected to the photoelectric converting element and a drain is connected to a readout power source, a signal line connected to a source of the readout transistor, a selecting transistor connected between the readout power source or the signal line and the readout transistor, and a constant current source connected to the signal line.12-17-2009
20110168909X-RAY DETECTOR07-14-2011
20090250621Radiation detecting cassette and radiation image capturing system - A radiation detecting cassette includes an IC card detector which detects insertion of an IC card in a slot, outputs a detection signal representing that the IC card is inserted in the slot, and reads ID information stored in the IC card. An ID checker of the radiation detecting cassette checks the ID information against ID information stored in a card ID memory. A power unit controller controls supply of electric power from a power unit to a radiation detector and/or components of the radiation detecting cassette based on a checking result from the ID checker.10-08-2009
20110139993SYSTEM AND METHOD OF ELIMINATING IMAGE ARTIFACTS - A system and method for eliminating image artifacts caused by electromagnetic interference (EMI) on a digital x-ray detector. The system and method includes a digital x-ray detector panel having an array of pixels in rows and columns, with a plurality of data lines coupled to the columns of pixels and a plurality of scan lines coupled to the rows of pixels. The system and method uses certain photodiodes in a row of the pixel array for measuring EMI with corresponding scan line and FETs deactivated and eliminating the EMI and image artifacts with the remaining photodiodes in the row with corresponding scan line and FETs activated.06-16-2011
20110139994PHOTO DIODE FOR DETECTING X-RAY AND MANUFACTURING METHOD THEREOF - An x-ray detection photo diode is disclosed. The disclosed x-ray detection photo diode includes: a substrate; a first electrode formed on the substrate; a photoconductor layer formed on the first electrode in a narrower area than that of the first electrode; and a second electrode formed on the photoconductor layer. In this manner, the x-ray detection photo diode enables the electrode structure to be changed. As such, a leakage current generated in edges of the x-ray detection photo diode can be minimized.06-16-2011
20090045345ELECTROMAGNETIC AND PARTICLE DETECTOR WITH REDUCED NUMBER OF CONNECTIONS - A detecting device comprises at least one 2-dimensional set of elementary sensors of the semiconductor type for transforming energy of radiation to be detected into electric signals. Each elementary sensor is provided on one side with an anode and on the opposite side with a cathode adapted to be electrically connected on a circuit for reading and operating on the signals. The anodes are electrically interconnected to constitute a plurality of anode subsets electrically connected at least in pairs to a measuring anode path looped on said reading and operating circuit. Each anode is connected to two separate measuring anode paths. The cathodes are electrically interconnected to constitute adjacent cathode subsets, each cathode subset being electrically connected to a measuring cathode path. The anodes belonging to two anode subsets and connected to a common anode path are associated with sensors whereof the cathodes belong to separate cathode subsets.02-19-2009
20100123083Portable Digital Image Detector Positioning Apparatus - An imaging system is provided. In one embodiment, an imaging system includes a radiation source and a digital detector. The imaging system may also include first and second structures, each configured to receive the digital detector. Further, the imaging system may include system control circuitry configured to control exposure of the digital detector by the radiation source and to acquire image data from the digital detector. Additionally, the digital detector may be configured to communicate its location to the system control circuitry based on receipt of the digital detector by the first or second receiving structures. Additional systems, methods, and devices are also disclosed.05-20-2010
20090283684RADIOGRAPHIC IMAGE DETECTION DEVICE AND RADIOGRAPHIC IMAGE DETECTION SYSTEM - Even when there are plural radiographic image detection devices and external devices between which communication takes place, a link with a designated external device may be established easily and reliably. An electronic cassette used in imaging or an electronic cassette that stores generated image data in an image memory is attached to a handle that stores a console ID, which indicates a console that is to be specified as a target of communication. When the attachment of the electronic cassette with the handle is detected by an attachment detection section, a connection request signal is sent to the console indicated by the console ID stored in the handle. When a connection permission signal is received from the console, a link between the electronic cassette and the console is established.11-19-2009
20110168907X-Ray Detecting Device and Operating Method Thereof - An X-ray detecting device includes: an X-ray receiving panel including a plurality of scan lines, a plurality of data lines, and a plurality of photodetecting pixels connected to the scan lines and the data lines; a scan driver, connected to the scan lines, for applying a scan signal for controlling outputs of data signals of the photodetecting pixels; and a data detector, connected to the data lines, for receiving the data signals output by the photodetecting pixels, reading the data signals, and controlling capacitance according to transmissivity of a subject. Detective quantum efficiency of the X-ray detecting device can be improved by adaptively controlling capacitance of an integrator according to measured transmissivity of a subject.07-14-2011
20090272907RADIOGRAPHIC IMAGING APPARATUS - A control device of a breast image radiographing apparatus relating to the present invention controls a driving device, in response to a press-down of a position adjustment switch of an input device, so as to adjust the position of a subject table. The position of compression board is adjusted by the operator such as a radiographing technician, the subject H is pressed and fixed, and when the enlargement factor of the phase contrast radiographing is inputted through the input device, the control device controls a driving device according to the positions of the subject table and the compression board and the inputted enlargement factor, so as to make a holding member ascend and descend and thereby the relative distances of the subject table to a radiation source and to a radiation image detector are adjusted to distances satisfying the enlargement factor=(R11-05-2009
20090294679RADIATION IMAGING APPARATUS, ITS CONTROL METHOD, AND RECORDING MEDIUM STORING PROGRAM FOR EXECUTING THE CONTROL METHOD - To provide a radiation imaging apparatus capable of restraining the change of image qualities due to the change of sensitivities of an MIS-type photoelectric conversion element and its control method. Therefore, an MIS-type photoelectric conversion element 12-03-2009
20090278051RADIOGRAPHIC IMAGE DETECTING APPARATUS AND RADIOGRAPHIC IMAGING SYSTEM - A radiographic imaging system 11-12-2009
20080217547ELECTRO-MEDICAL IMAGING APPARATUS HAVING CHALCOGEN-THIN FILM TRANSISTOR ARRAY - Provided is an electro-medical imaging apparatus manufactured using a thin film transistor (TFT) array including chalcogen-based semiconductor elements that can generate and store an electric signal from an X-ray signal so as to be able to replace a traditional film type X-ray reader. The electro-medical imaging apparatus includes: a signal generating unit where electron-hole pairs are formed by absorbing an optical energy irradiated from outside; a power source connected to a surface of the signal generating unit and applies an electric signal so as to separate the electron-hole pairs to be accumulated each in opposite sides of the signal generating unit according to their polarities; a signal storage unit that is in contact with the signal generating unit and receives and stores one of the separated charges; and a signal converter that is in contact with the signal storage unit and applies a control signal to the signal storage unit in order to convert an electric signal, which generated by the charges stored in the signal storage unit, into an image signal. The signal generating unit may use amorphous selenium (a-Se), which is one of chalcogen materials, or CdTe or CdZnTe which is a compound material using chalcogen. Also, the signal storage unit may include a TFT array including Ge09-11-2008
20090261260X-RAY IMAGING APPARATUS - An exemplary X-ray imaging apparatus includes an X-ray source for emitting X-rays towards an object, a phosphor layer for converting the X-rays to visible light, an optical leveling element, an image sensor, an image processing module, a display, and a wireless module. The optical leveling element includes a plurality of lenses formed thereon. A refractive index of the plurality of the lenses progressively increases from a center of the optical leveling element to a periphery of the optical leveling element. The phosphor layer is disposed between the X-ray source and the optical leveling element. The image sensor is configured for sensing the visible light passing through the optical leveling element, and thus capturing an image of the object. The display is configured for displaying the image of the object. The wireless module is electrically connected with the image sensor and configured for sending the image of the object to a receiver.10-22-2009
20090266993Arrangement with a Medical Gamma Detector, Optical Module and Kit - The invention relates to an arrangement with a medical gamma probe and an optical module arranged on the medical gamma probe, said optical module having a light source which emits light rays during operation and is configured to generate an optical pointer in a detection region of the medial gamma probe using the light rays from the light source.10-29-2009
20090266992Radiation detection apparatus - The present invention provides a scintillation camera comprising a scintillation material which is capable of converting high-energy radiation incident thereon and having a wavelength of X-ray radiation or shorter into optical radiation, at least one position-sensitive detector capable of detecting the optical radiation, and at least one bundle of light guides which is located in front of the detector, characterized in that the bundle of light guides is located between the detector and the scintillation material. As a result of the scintillation material being provided as a separate unit, optionally including non-scintillating light guides, selection of the materials of each of the two parts can be optimized. Thus, for example, the scintillation material is no longer hygroscopic or subject to restrictions because of the need to grow it in parallel bundles.10-29-2009
20080245968DUAL-SCREEN DIGITAL RADIOGRAPHIC IMAGING DETECTOR ARRAY - A radiographic imaging device has a first scintillating phosphor screen having a first thickness and a second scintillating phosphor screen having a second thickness. A transparent substrate is disposed between the first and second screens. An imaging array formed on a side of the substrate includes multiple photosensors and an array of readout elements.10-09-2008
20100102241SYSTEM AND METHOD OF X-RAY DETECTION WITH A SENSOR - A system and method for automatic detection of x-rays at an x-ray sensor. A source emits x-ray radiation towards an x-ray sensor, and the x-ray sensor automatically detects the x-ray radiation. The x-ray sensor automatically detects x-ray radiation by evaluating a time series and determining that a voltage threshold is crossed a certain amount of time earlier than the average time it takes the voltage threshold to be crossed from dark current and other noise.04-29-2010
20090166545SHIELDING AN IMAGING ARRAY FROM X-RAY NOISE - An electronic imaging sensor, which has an improved immunity to noise caused by unwanted x-rays, images an object by collecting charge carriers produced in the sensor when the object is exposed to x-rays. One or more shielding areas are formed proximate the sensor to capture or sweep away any undesirable charge carriers generated by the unwanted x-rays. The shielding areas extend deeper beneath the surface of the sensor than the depth at which the desired charge carriers corresponding to the object being imaged is collected. The shielding areas capture charge carriers formed by the unwanted x-rays, which penetrate into the sensor to a greater depth than the depth at which the desired charge carriers are collected. In this way, the undesirable charge carriers are captured near the region where they are generated and before they migrate towards the surface where they can be collected and manifest as noise in the resulting image of the object.07-02-2009
20080290284CONVERSION 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 elements for providing a connection to an external circuit. The terminal elements are disposed in a metal layer that is formed over the conversion elements. The conversion apparatus further includes a transparent conductive layer covering surfaces of the terminal elements, and a protective layer covering edges of the terminal elements and having openings.11-27-2008
20080302969THIN-FILM TRANSISTOR ARRAY SUBSTRATE FOR X-RAY DETECTOR AND X-RAY DETECTOR HAVING THE SAME - In a thin-film transistor (“TFT”) array substrate for an X-ray detector and an X-ray detector having the TFT array substrate, the TFT array substrate includes a gate wiring, a gate insulating layer, an active layer, a data wiring, a photodiode, an organic insulating layer and a bias wiring. The gate wiring is formed on an insulating substrate and includes a gate line and a gate electrode. The gate insulating layer covers the gate wiring. The active layer is formed on the gate insulating layer. The data wiring is formed on the gate insulating layer and includes a data line, source and drain electrodes. The photodiode includes lower and upper electrodes, and a photoconductive layer. The organic insulating layer covers the data wiring and the photodiode. The bias wiring is formed on the organic insulating layer. Thus, an aperture ratio and reliability are enhanced.12-11-2008
20080315106Multiple Layer Detector For Spectral Computed Tomography Imaging - A radiation detector (12-25-2008
20080245967Performance Solid State Detectors - An imaging detector is formed from a conversion material and electrodes that are separated by trenches formed in the conversion material. The trenches increase the distance of the conductance path between electrodes or accommodate a grid of electrodes, thereby reducing current leakage between electrodes. In some embodiments, a passivation layer is used to provide improved adhesion of the electrodes to the conversion material or to shield the electrodes from grid electrode structures.10-09-2008
20080265169Multi-functional radiation/photon identifying and processing application specific integrated circuit and device - A radiation device includes a detector connected to a multi-functional radiation identifying and processing application specific integrated circuit. The detector includes a plurality of individual imaging cells, each imaging cell generating a charge in response to incident radiation events and outputting the generated charge at an imaging cell output. The application specific integrated circuit includes a different circuit connected respectively to a corresponding one of the imaging cell outputs, each circuit receiving and processing the generated charge received from the corresponding one imaging cell output. Each circuit includes a preamplifier for generating a voltage or current amplitude in response to the received charge, a counter, and a mode logic configured for setting the counter to perform, selectively, at least two of a) photon counting, b) analog to digital conversion of the one of the voltage amplitude and the current amplitude, and c) timing measurement of incident radiation events.10-30-2008
20090184252X-RAY ANALYZER - Provided is an X-ray analyzer capable of significantly suppressing an influence of an external magnetic field on a transition edge sensor (TES). The X-ray analyzer includes: a TES (07-23-2009
20090184253LIGHT OR RADIATION IMAGE PICKUP APPARATUS - A light or radiation image pickup apparatus comprises a first arithmetic unit 07-23-2009
20090140155RADIATION IMAGING APPARATUS AND ITS DRIVING METHOD AND PROGRAM - As a radiation imaging apparatus which can easily and effectively correct a line noise, there is provided a radiation imaging apparatus having: a conversion unit having a pixel region in which a plurality of pixels each having a conversion element (06-04-2009
20090250619RADIATION DETECTOR - A radiation detector comprises a voltage applying electrode, a photo-conductor layer, and a charge collecting electrode, which are overlaid one upon another. A selective charge transporting layer is located between the voltage applying electrode and the photo-conductor layer, the selective charge transporting layer having characteristics such that the selective charge transporting layer blocks electric charges having a polarity identical with the polarity of the voltage applying electrode and transports electric charges having a polarity opposite to the polarity of the voltage applying electrode. The selective charge transporting layer takes on the form of a thick film at a position corresponding to an edge region of the voltage applying electrode.10-08-2009
20090014659DIGITAL X-RAY DETECTORS - An x-ray detector is provided for use in imaging systems. The x-ray detector includes a detector subsystem configured to output electrical signals in response to reception of x-rays. The detector subsystem includes an imaging panel, a support layer and a low density core disposed between the imaging panel and the support layer.01-15-2009
20090014660COUNT UNIFORMITY CORRECTION IN FLUX SPACE FOR PIXILATED SEMICONDUCTING RADIATION DETECTORS - In operation of a photon counting detecting system (01-15-2009
20100200761Radiation detector - A radiation detector includes a semiconductor element capable of detecting a radiation, a substrate on which the semiconductor element is mounted, and a support member disposed adjacent to the semiconductor element for supporting the substrate. The substrate includes a first end portion on which the semiconductor element is mounted, and a second end portion opposite the first end portion for disposing the support member. The support member includes a first support and a second support, and the first support and the second support each includes a protrusion and an engagement hole for engaging with the protrusion. The protrusion of the first support engages with the engagement hole of the second support to fix the first support and the second support such that the substrate is compressed and supported by the first support and the second support.08-12-2010
20090032719Image detection device - An image detection device includes a sensor panel and a light. The sensor panel includes a semiconductor layer, which is formed on a substrate formed of a member having a light transmitting property and generates charges in response to X-rays radiated thereto, two pairs of electrodes each pair disposed in confrontation with each other, and a plurality of accumulating portions formed between the semiconductor layer and the substrate to accumulate the charges generated to the semiconductor layer as the information of the pixels constituting an image. The light radiates light to the surface of the sensor panel on the substrate side thereof. The respective electrodes of the accumulating portions are formed so that light having at least a predetermined intensity is radiated from the light to the regions of the semiconductor layer where the accumulating portions are formed.02-05-2009
20090250620Neutron and gamma-ray detection system - The present invention is a radially symmetric imaging detector that measures an incident neutron's or gamma-ray's energy and identifies its source on an event-by-event basis.10-08-2009
20110220804Methods for increasing the sensitivity of gamma-ray imagers - This paper presents various methods that were developed to increase the position resolution and granularity of double sided segmented semiconductor detectors. These developments will increase the imaging resolution capability of such detectors, either used as Compton cameras, or as position sensitive radiation detectors in imagers such as SPECT, PET, coded apertures, multi-pinhole imagers, or other spatial or temporal modulated imagers.09-15-2011
20090050816Radiation Detector and Radiographic Inspection Apparatus - On a wiring board 02-26-2009
20090084968RADIATION IMAGE DETECTOR - In a radiation image detector including a voltage-applied electrode, to which a voltage is applied, and a semiconductor layer for generating charges by irradiation with radiation, which are superposed one on the other, a charge injection prevention layer that covers at least the edge of the voltage-applied electrode is provided. Further, a protruding electrode is provided on the upper surface of the charge injection prevention layer in such a manner that the side surface of an edge of the protruding electrode is located on the outer side of the side surface of the edge of the voltage-applied electrode and the side surface of the other edge of the protruding electrode is located at the position of the side surface of the edge of the voltage-applied electrode or on the inner side thereof.04-02-2009
20090084967RADIATION CONVERSION PANEL AND METHOD OF CAPTURING RADIATION IMAGE - A radiation conversion panel includes first pixels, each of which is one out of every n (n≧3) adjacent pixels, and which, after a first energy-level image capturing cycle, are reset after electric charges have been read therefrom, and all pixels, including the first pixels, wherein, after the pixels have been reset, electric charges are read from all the pixels after a second energy-level image capturing cycle.04-02-2009
20090200478Imaging Detector - A hybrid imaging detector is for detecting ionizing radiation such as X-rays or electron radiation, or other ionizing radiation. The detector has a sensor (08-13-2009
20090230310IMAGE SENSING APPARATUS - An image sensing apparatus provided with a plurality of image sensing elements each including a plurality of photoelectric conversion sections and an adding circuit adapted to add signals from the plurality of photoelectric conversion sections to obtain a one-pixel signal, wherein the adding circuit adds the signals such that the one-pixel signals obtained by the addition are arranged at equal intervals in an area extending over the plurality of image sensing elements.09-17-2009
20090230309METHOD FOR MANUFACTURING A SOLID STATE RADIATION DETECTOR, AND RADIATION IMAGING SYSTEM - A method for manufacturing a solid state radiation detector having an active matrix layer, in which a great number of reading elements are arranged, and a radiation photoconductive layer that generates electric charges when irradiated by electromagnetic waves that bear image information, provided such that the electric charges are read out by the active matrix layer, is characterized by: the active matrix layer being formed directly on the radiation photoconductive layer.09-17-2009
20120104268APPARATUS FOR FINE-DELAY ADJUSTMENTS OF ANALOG SIGNALS IN POSITRON EMITTER TOMOGRAPHY SENSORS - A variable delay device is connected to a photosensor of a time-of-flight gamma ray detection system and includes a substrate on which a plurality of conductive pins are affixed. A first terminal connected to a first of the plurality of pins and a second terminal connected to the second of the plurality of pins are also affixed to the substrate. A jumper electrically connects the plurality of pins at a predetermined distance relative to the substrate, and a time delay of the variable delay device is determined based on the electrical path between the first and second terminals formed by the plurality of pins and the jumper.05-03-2012
20090095913X-RAY LINE ARRAY DETECTOR - The present invention relates to an X-ray line array detector in which a bundle of light-guide fibers is provided between an emergent surface of a flicker body and an incident surface of an array of photosensors, and the bundle of light-guide fibers has at least one bend, or an incident direction and an emergent direction are not in a same line, so that X-rays transmitting through the flicker body can not irradiate photosensors and integrated circuits behind them, and that damage resulting from long-term use or a large dose of X-ray radiation can be avoided, thereby prolonging lifetime of the line array detector. Further, a shielding body provided between the emergent surface of the flicker body and the incident surface of the array of photosensors can further shield the photosensors and their integrated circuits from interference of X-rays, so that good protection of the photosensors and their integrated circuits is achieved, thereby enhancing greatly anti-radiation performance of the detector and doubling the lifetime.04-16-2009
20090095914ARRAY SUBSTRATE FOR X-RAY DETECTOR, METHOD OF MANUFACTURING THE SAME, X-RAY DETECTOR HAVING THE SAME INSTALLED THEREIN, AND METHOD OF MANUFACTURING X-RAY DETECTOR - An x-ray detector including an array substrate including blocks extending along the array substrate in a first direction. Each of the blocks includes cells that are each associated with a data line extending in parallel with the first direction and a gate line extending perpendicularly to the first direction such that the data line crosses the gate line, a thin film transistor respectively connected to the gate and data lines, and a photodiode connected to the thin film transistor to receive light. The cells store charges corresponding to an amount of the light. Gate drivers are connected to ends of the gate lines to select rows of the cells associated with each of the gate lines. Read-out circuits are connected to ends of the data lines to read out charges stored in the cells, of each of the selected rows, that are respectively associated with each of the data lines.04-16-2009
20090230311IMAGE PICKUP APPARATUS AND RADIATIOIN IMAGE PICKUP APPARATUS - To improve a sensor resetting method and thereby implement a high rate at which a moving image is read, the invention provides an image pickup apparatus and a radiation image pickup apparatus including: a plurality of pixels arranged on a substrate in row and column directions, each pixel having a conversion element and a transfer switching element; a drive wiring connected to a plurality of the transfer switching elements in the row direction; and a conversion element wiring connected to a plurality of the conversion elements in the row direction, wherein a reset switching element is disposed between the conversion element wiring and a reset wiring for supplying a reset voltage for resetting the conversion element, and a bias switching element is disposed between the conversion element wiring and a bias wiring for supplying a bias voltage for operating the conversion element.09-17-2009
20090242778Radiation Detection Unit and Radiographic Inspection Apparatus - Plural detection boards 10-01-2009
20090242780RADIOLOGICAL MEASUREMENT SYSTEM AND RADIOLOGICAL IMAGING SYSTEM - A radiological measurement system protecting an amplifier from damage caused by a surge current, ensuring temporal continuity of measurement with a minimum dead time, and including a high voltage DC supply for applying a bias voltage to a radiation detector formed of semiconductor crystal, a controller for exercising on-off control on the bias voltage supplied from the high voltage DC supply, an amplifier, a protection circuit for protecting the amplifier from a surge current generated when the bias voltage is subjected to the on-off control, a control unit for preventing the surge current from flowing to the amplifier, and a switch provided in parallel with the protection circuit and controlled in operation state by the control unit, wherein the control unit controls the operation state of the switch in synchronism with the on-off control exercised by the control unit to prevent the surge current from flowing to the amplifier.10-01-2009
20090242779X-RAY IMAGING SENSOR AND X-RAY IMAGING METHOD - The invention concerns an x-ray imaging sensor and an x-ray imaging method in which, in a scintillator element (10-01-2009
20100148082Radiation Detecting Pixel Array Signal Routing - An embodiment of the invention includes a radiation detecting pixel array. The radiation detecting pixel array includes a substrate, a plurality of radiation detecting pixels arranged in a grid pattern on the substrate, a signal routing array embedded within the substrate in operative communication with the plurality of radiation detecting pixels, and at least two symmetrical communication channels arranged on each of two sides of the grid pattern. The signal routing array is formed of communication channels configured to provide operative communication between any of the plurality of radiation detecting pixels and each of the at least two symmetrical communication channels.06-17-2010
20100155613X-RAY DETECTOR AND METHOD OF DRIVING THE SAME - An X-ray detector and method of driving an X-ray detector include an X-ray detector having a detection module that includes a plurality of gate lines and a plurality of photoelectric transducers connected to the gate lines, respectively, to convert X-ray radiation into an electric signal, a data reading module that sequentially scans the gate lines, generates a dummy dark level, by reading electric signals of the photoelectric transducers during a standby period, generates an offset dark level, by reading the electric signals from the photoelectric transducers, before X-ray radiating a specimen, and generates a bright level by reading the electric signals from the photoelectric signals after the irradiation of the specimen during an X-ray radiation period, and a data processing module that ignores the dummy dark level and generates image data using only the bright level and the offset dark level.06-24-2010
20100155614IMAGE PICKUP APPARATUS AND IMAGE PICKUP SYSTEM - An apparatus includes a detecting unit having pixels that converts radiation or light to electric signals; a drive circuit that drives the detecting unit; a read circuit that outputs the electric signals as image signals; a power supply unit that supplies voltages to the detecting unit, the drive circuit, and the read circuit; and a control unit that controls at least the drive circuit and the power supply unit. The control unit performs a first process of stopping the voltage supply operation to the detecting unit, with the voltage supply operations to the drive circuit and the read circuit maintained; a second process of driving the detecting unit; and a third process of stopping the voltage supply operations to the drive circuit and the read circuit.06-24-2010
20100187430POWER SUPPLY APPARATUS FOR A DETECTOR, AND A LIGHT OR RADIATION DETECTION SYSTEM HAVING THE SAME - A power supply apparatus for a detector of this invention provides a plurality of power supplies for the detector for detecting light or radiation, and includes a power output device capable of individually outputting the plurality of power supplies to be provided for the detector, a detection device for detecting a power supply state of a utility power source, a control device for carrying out an abnormal stopping process to stop the power supplies at the power output device in a predetermined order upon determination based on a result of detection by the detection device that an abnormality has occurred, and an electric storage device for supplying electric power to the control device, when the control device determines that an abnormality has occurred, to permit the control device to carry out the abnormal stopping process. Thus, without having a large-scale uninterruptible power supply system, the detector can be protected even when the electric power supply state from the utility power source becomes abnormal.07-29-2010
20090072160RADIATION IMAGE CONVERSION PANEL, SCINTILLATOR PANEL, AND RADIATION IMAGE SENSOR - The radiation image conversion panel in accordance with the present invention has an aluminum substrate; an alumite layer formed on a surface of the aluminum substrate; a metal film, provided on the alumite layer, having a radiation transparency and a light reflectivity; a protective film covering the metal film and having a radiation transparency and a light transparency; and a converting part provided on the protective film and adapted to convert a radiation image.03-19-2009
20100187428DIGITAL X-RAY IMAGING SYSTEM - The invention relates to a digital X-ray imaging system, wherein the digital X-ray imaging system comprises a digital detector for detecting X-ray signals and for converting the detected intensity of X-ray signals into digital pixel values; and an intermediate storage arrangement adapted to receive and store the digital pixel values.07-29-2010
20100187429RADIATION DETECTOR WITH MULTIPLE ELECTRODES ON A SENSITIVE LAYER - The invention relates to a radiation detector (07-29-2010
20100176303Gamma Ray Detector - A gamma ray detector is provided that increases a detectable energy range. A position-sensitive gamma ray detecting element for low energy gamma rays 07-15-2010
20100193697APPARATUS AND METHODS FOR EVALUATING OPERATION OF PIXELATED DETECTORS - An apparatus and methods for evaluating the operation of pixelated detectors are provided. The method includes obtaining data values for each of a plurality of pixels of a pixelated detector and determining a data consistency metric for each of the plurality of detector pixels. The method further includes identifying, using the determined data consistency metric, any detector pixels that exceed an acceptance criterion as noisy pixels.08-05-2010
20100213382RADIATION DETECTION DEVICE - This device for the detection of ionizing radiation includes a stack integrating a first set of electrodes (08-26-2010
20100213381RADIATION DETECTOR WITH SEVERAL CONVERSION LAYERS - The invention relates to a radiation detector (08-26-2010
20100001195METHODS AND APPARATUS FOR CONDUCTING HEAT FROM AN ELECTRONIC ASSEMBLY WHILE PROVIDING SHOCK PROTECTION - An apparatus is provided that includes an electronic assembly having a panel and a circuit board, a casing surrounding the electronic assembly and at least one isolated member coupled to the casing. The apparatus further includes a shock absorbing material flexibly coupling the electronic assembly directly or indirectly to the at least one isolated member.01-07-2010
20100001198RADIATION IMAGING APPARATUS AND ITS DRIVING METHOD AND PROGRAM - As a radiation imaging apparatus which can easily and effectively correct line noise, there is provided a radiation imaging apparatus having: a conversion unit having a pixel region in which a plurality of pixels each having a conversion element (01-07-2010
20100001197Radiation imaging apparatus - A radiation imaging apparatus includes a radiation source; a radiation conversion panel for outputting a radiation image corresponding to radiation received from the radiation source; an image processing section for performing image processing on the radiation images supplied from the radiation conversion panel; a radiation focused grid arranged to cover a radiation receiving surface of the radiation conversion panel; a moving mechanism for moving the grid; and a switching mechanism for setting the moving mechanism a first mode for imaging as the grid moves unidirectionally for each of the radiation images or a second mode for imaging as the grid moves in an opposite direction to the unidirectional direction for each of the radiation image, when taking the radiation images.01-07-2010
20100001196Radiation imaging apparatus - A radiation imaging apparatus includes a radiation source; a radiation conversion panel for outputting a radiation image corresponding to radiation received from the radiation source; an image processing section for generating a processed radiation image; a radiation focused grid arranged to cover a radiation receiving surface of the radiation conversion panel; a moving mechanism for moving the grid in a predetermined direction along the radiation receiving surface of the radiation conversion panel; and a switching mechanism for setting said moving mechanism to change movement speed of the grid for each of a plurality of images when taking the plurality of radiation images.01-07-2010
20130126745SEMICONDUCTOR X-RAY DETECTOR - A semiconductor X-ray detector comprises: a semiconductor X-ray sensor portion 05-23-2013
20090261259DIGITAL RADIOGRAPHY PANEL WITH PRESSURE-SENSITIVE ADHESIVE FOR OPTICAL COUPLING BETWEEN SCINTILLATOR SCREEN AND DETECTOR AND METHOD OF MANUFACTURE - A digital radiography panel has a scintillator screen having a light-exiting surface from a material with a first index of refraction n10-22-2009
20090272908X-Ray Detector Assemblies and Related Computed Tomography Systems - X-ray detector assemblies and related computed tomography systems are provided. In this regard, a representative X-ray detector assembly includes: a scintillator assembly having a scintillation component and an optical fiber; the scintillation component being operative to emit light responsive to X-rays being incident thereon; the optical fiber being positioned to receive light emitted from the scintillation component.11-05-2009
20090146072SENSOR AND IMAGE PICKUP DEVICE - A sensor for detecting a received electromagnetic wave comprising a first electrode, a second electrode and an amorphous oxide layer interposed between the first electrode and the second electrode.06-11-2009
20090039277RADIATION IMAGE DETECTOR - A radiation image detector includes a radiation image detector main-body having radiation detection devices for detecting radiation that are at least linearly arranged, a switching output unit having a multiplicity of switch devices, and a dummy circuit unit connected to a switch device that is switched last among the multiplicity of switch devices. The switching output unit sequentially switches columns of the radiation detection devices by the switch devices and sequentially outputs signals detected by the radiation detection devices line by line. Further, after signals are output from the radiation detection devices in a predetermined line, the dummy circuit unit outputs a signal having a magnitude that does not substantially influence signals that will be read out from the radiation detection devices in the following line of the predetermined line.02-12-2009
20080283761Method and apparatus for inspection of materials - A method and apparatus for obtaining radiation transmission data including providing a radiation source, e.g., x-ray or gamma-ray source, and a radiation detector system, e.g., x-ray or gamma-ray detection system, spaced therefrom to define a scanning zone therebetween, the detector system capable of detecting and collecting spectroscopically resolvable information about incident radiation. Collecting a dataset of information about radiation incident including transmissivity of an object in the scanning zone at at least one scanning position from radiation transmitted through the object and received at the detector system. Resolving each dataset spectroscopically across a plurality of frequency bands within the spectrum of the source; at least one of the frequency bands corresponding to a characteristically scattered wavelength of a target species to be identified. The absence of or substantial reduction in a transmitted signal intensity at the frequency band is interpreted as the presence of the said target species.11-20-2008
20080283760Radiation Detector, Radiation Detector Element, And Radiation Imaging Apparatus - In a gamma camera, a plurality of radiation detector elements having a rod-shaped first electrode, a semiconductor device surrounds the first electrode to contact with it for entering a radiation, and a second electrode provided for the side surface of the semiconductor device are detachably attached to a holding member. The holding member has a first electrode contact portion contacted with the first electrode and a second electrode contact portion contacted with the second electrode. A collimator in which a plurality of radiation paths provided corresponding to the plurality of radiation detector elements are formed is arranged on the radiation entering side of the plurality of radiation detector elements. A γ-ray detection signal outputted from the first electrode contact portion is sent to a signal processing integrated circuit. A high voltage is applied to the second electrode via the second electrode contact portion.11-20-2008
20100301224X-ray imaging device having a polychromatic source - An X-ray imaging device includes a polychromatic X-ray source (12-02-2010
20110024643RADIATION IMAGE PICKUP DEVICE - A radiation image pickup device comprises temperature control means for maintaining the temperature of an X ray conversion layer to be substantially constant by performing a feedback process for controlling a voltage which is applied to the Peltier element based on the temperature of the X ray conversion layer. The temperature control means starts reading out an electric charge from each pixel (DU), then converts the electric discharge to voltage with a charge amplifier and in a period until an A/D conversion process for the voltage is completed, and restricts a variation in the voltage which is applied to the Peltier element.02-03-2011
20110024642RADIOGRAPHIC DETECTOR FORMED ON SCINTILLATOR - A projection radiographic imaging apparatus includes a scintillator and an imaging array. The imaging array includes a plurality of pixels formed directly on a side of the scintillator. Each of the pixels includes at least one photosensor and at least one readout element.02-03-2011
20090065702READOUT APPARATUS AND IMAGING APPARATUS - An imaging apparatus includes a sensor array, readout apparatus, and control circuit. The readout apparatus includes first LPFs arranged in correspondence with signal lines, an analog multiplexer, and a second LPF. The cut-off frequencies of the first and second LPFs can be switched on two stages, and the control circuit switches the cut-off frequencies of the first and second LPFs in accordance with the imaging mode.03-12-2009
20090026380CASSETTE AND RADIATION IMAGE CAPTURING SYSTEM - A radiation detecting cassette houses therein a detector for detecting a load applied to the radiation detecting cassette when a patient has moved. It is determined whether or not the patient has moved in an image capturing process based on the load detected by the detector. If it is judged that the patient has moved, then a warning is displayed, and a radiation image of the subject is inhibited from being captured.01-29-2009
20110240869X-ray detector including oxide semiconductor transistor - Example embodiments are directed an X-ray detector including an oxide semiconductor transistor. The X-ray detector including the oxide semiconductor transistor includes an oxide semiconductor transistor and a signal storage capacitor in parallel to each other on a substrate. The oxide semiconductor transistor includes a channel formed of an oxide semiconductor material, and a photoconductor. A pixel electrode and a common electrode are formed on opposite surfaces of the photoconductor. The channel includes ZnO, or a compound including ZnO and at least one selected from a group consisting of gallium (Ga), indium (In), hafnium (Hf), and tin (Sn).10-06-2011
20110240870RADIATION IMAGING APPARATUS, ITS CONTROL METHOD, AND RECORDING MEDIUM STORING PROGRAM FOR EXECUTING THE CONTROL METHOD - To provide a radiation imaging apparatus capable of restraining the change of image qualities due to the change of sensitivities of an MIS-type photoelectric conversion element and its control method. Therefore, an MIS-type photoelectric conversion element 10-06-2011
20090218501DETECTION SIGNAL PROCESSOR - A detection signal processor that includes a signal processing unit, bias current supply components, and a bias current control component is provided. The signal processing unit applies a first signal processing in parallel to plural detection signals input in parallel, converts the plural detection signals to serial detection signals by applying a parallel-to-serial conversion processing to the plural detection signals, and applies a second signal processing to the converted serial detection signals in turn. The bias current control component switches amount of the bias currents supplied to the each circuit configuring the signal processing unit by the bias current supply components, the bias currents including first bias currents supplied to the first circuits carrying out the first signal processing and second bias currents supplied to the second circuits carrying out the parallel-to-serial conversion processing and the second signal processing in turn.09-03-2009
20090218500IMAGING DEVICE FOR SINGLE X-RAY PHOTON COUNTING - A photon-counting imaging device for single x-ray counting includes an assembly of a number of photon-counting imaging modules which are connected to generate a flat detector plane. Each photon counting imaging module includes an L-shaped support structure connectable with adjacent support structures, a monolithic pixellated semiconductor detector layer and a high gain, low noise readout unit bump-bonded to the detector layer. The detector layer and the readout unit are sandwiched to a lower surface of a horizontal leg of the L-shaped support layer. A module control board is configured to collect data and to control the readout unit, wherein the module control board is disposed on an inner surface of a vertical leg of the L-shaped support layer. The module control board and the readout unit are connected via at least one opening which is disposed in the horizontal leg of the L-shaped support structure.09-03-2009
20100038548GAMMA-CAMERA UTILIZING THE INTERACTION DEPTH IN A DETECTOR - A method for reconstructing an image of a source (S) of photons from interactions of photons emitted by this source with a detector (02-18-2010
20100038549RADIOGRAPHIC IMAGE DETECTION DEVICE - There is provided a radiographic image detection device including: a radiation detection portion that includes an irradiation surface at which radiation is irradiated and is provided, at a plurality of locations on side faces, with attachment portions at which a handle is attachable, the radiation detection portion detecting radiation that has passed through a subject of imaging and been irradiated through the irradiation surface, and outputting image information that represents a radiographic image in accordance with detected radiation amounts; and a handle portion that is attachable and detachable at the attachment portions.02-18-2010
20110062342HIGH-VOLTAGE POWER SUPPLY APPARATUS AND METHOD FOR USE WITH DIGITAL FLAT PANEL X-RAY DETECTOR - Provided are a high-voltage power supply apparatus and method for supplying high-voltage power to a digital flat panel X-ray detector to accelerate the separation of charges ionized upon the irradiation of the digital flat panel X-ray detector with X-rays. The high-voltage power supply apparatus includes a power source outputting high-voltage power; a path determiner providing a supply path for supplying the high-voltage power to the digital flat panel X-ray detector and a short-circuit path for short-circuiting the high-voltage power; and a path controller determining the supply path and the short-circuit path. Therefore, it is possible to prevent an overshoot of the waveform of the high-voltage power. In addition, it is possible to improve the uniformity of a radiation image and reduce the time taken to obtain a radiation image by quickly discharging charges when the high-voltage power is short-circuited.03-17-2011
20120119098RUGGEDIZED ENCLOSURE FOR A RADIOGRAPHIC DEVICE - In one embodiment, a portable X-ray detector assembly is provided comprising a detector array and a housing for the detector array. The housing is provided as a multi-layer structure in which at least one layer improves or increases the structural integrity of other layers of the housing. In certain embodiments, the structural integrity layer also acts to reduce or eliminate electromagnetic interference that might otherwise affect the detector or other electronics in the vicinity of the detector.05-17-2012
20120119099METHOD AND SYSTEM OF REDUCING FALSE TRIGGERING OF AN X-RAY SENSOR - A system and method for automatic detection of x-rays at an x-ray sensor. A source emits x-ray radiation towards an x-ray sensor, and the x-ray sensor automatically detects the x-ray radiation. The x-ray sensor automatically detects x-ray radiation by evaluating a time series and determining that a voltage threshold is crossed a certain amount of time earlier than the average time it takes the voltage threshold to be crossed from dark current and other noise.05-17-2012
20090026379RADIATION IMAGING DEVICE - A radiation imaging device 01-29-2009
20090309034ELECTRONIC CASSETTE - An electronic cassette has a casing that houses a radiation converter thereinside. The radiation converter detects radiation from a radiation source that has been transmitted through a subject, and converts the radiation into radiographic image information. Plural handles are disposed on the casing of the electronic cassette, so that a person can grip the plural handles and carry the electronic cassette. Thus, the person can grip and carry the electronic cassette while dispersing the weight of the electronic cassette, so carrying the electronic cassette becomes easy. Further, when the person loads the electronic cassette into a shooting table or the like, the person can grip either of the plural handles and load the electronic cassette. For this reason, handling of the electronic cassette becomes easy.12-17-2009
20090001276RADIATION IMAGING APPARATUS, METHOD OF CONTROLLING THE SAME, AND RADIATION IMAGING SYSTEM - There are provided an apparatus capable of complying with arbitrary data acquisition period (frame rate) change instruction without increasing load and cost, and a method and a system for controlling such an apparatus. To realize this, in the present invention, there are included an area sensor for reading out an electric signal accumulated in a plurality of pixels arranged in a matrix, a line by line, and a control unit for controlling the area sensor. The area sensor operates in a first operation for deriving a radiation image data by the reading under an irradiation with a radiation, and a second operation for deriving the radiation image data by the reading under a non-irradiation with the radiation, alternately. The control unit switches a period for deriving the radiation image data during a time period from an end of the reading in the first operation until an end of the reading in the second operation.01-01-2009
20090272909IMAGING APPARATUS, RADIATION IMAGING SYSTEM, CONTROLLING METHOD OF IMAGING APPARATUS, AND RECORDING MEDIUM RECORDING CONTROL PROGRAM OF IMAGING APPARATUS - An imaging apparatus according to the present invention includes a transmitting path transmitting the output electric signal, and a read out circuit performing a sampling and holding operation for holding the electric signal read out through the transmitting path, and performing a reset operation for reset of the transmitting path, and includes a control unit for controlling an outputting drive circuit and a read out circuit so as to perform row by row the sampling and holding operation after a start of the output operation, to perform the reset operation after the sampling and holding operation, and to perform a termination of the output operation after the reset operation. This can provide an imaging apparatus and a radiation imaging apparatus that can reduce a frame time without reducing an S/N ratio of an image signal.11-05-2009
20090242781X-RAY DETECTOR - An X-ray detector includes: a semiconductor substrate to generate charged particles by an irradiation of an X-ray; a plurality of pixel electrodes arranged in matrix on an X-ray incident surface of the semiconductor substrate and applied with a first electric potential to detect the charged particles; and a platy electrode provided on a surface opposite to the X-ray incident surface of the semiconductor substrate and applied with a second electric potential different from the first electric potential.10-01-2009
20090146069Reduced cost pixel design for flat panel x-ray imager - A pixel structure for a flat panel detector is constructed in which the diode silicon and the FET silicon are simultaneously etched to form isolated structures (array photodiodes, I/O elements, and so on) in which the edges or perimeters of the diode silicon features are self-aligned to the underlying FET SI features. The full, as-deposited, thickness of the FET gate dielectric and (at least) part of the FET silicon layer remains underneath the diode silicon across the entirety of the flat panel detector.06-11-2009
20080315107PORTABLE SYSTEM FOR DETECTION AND IDENTIFICATION OF GAMMA, NEUTRON AND X-RAY RADIATION - A portable hand-held system for identification of a radiation source includes a portable detection unit that detects gamma radiation, X-ray radiation and neutron radiation emitted due to nuclear decay in the radiation source being inspected and provides a corresponding detection signal based on the radiation. A radioisotope analysis unit analyzes radiation detected by the detection unit for determining radioisotope information. A display unit for displaying results of the analysis to a user, including radiation spectrum and the radioisotope information. A GPS receiver provides a current position information. A connecting unit communicates the results of the analysis and the current location to a remote computer. The detection unit, the radioisotope analysis unit, the display unit, the GPS receiver and the connecting unit form an integral device. The common housing includes a personal communicator with a microprocessor for the analyzing of the radiation spectra.12-25-2008
20090127470FLAT PANEL DETECTOR WITH TEMPERATURE SENSOR - A flat panel detector for x-ray radiation has at least one radiation sensor and at least one temperature sensor. The radiation sensor is composed of a number of radiation sensor elements. The temperature sensor is of laminar design, and its surface is approximately equal in size to the surface of the radiation sensor. The temperature sensor can be formed by a number of temperature sensor elements. The current temperature of each pixel of the radiation sensor thus can be determined.05-21-2009
20080251730Method for Determining a Particle and Sensor Device Therefor - A method for determining a particle impact on a sensor device comprising M sensing areas, each impact causing a variation of at least one physical magnitude of several sensing portions, said method comprising the steps of: determining an impact center sensing area, where the variation of the at least one physical magnitude is substantially maximal, allocating a result of a sum of the physical magnitude variations of a first set of N sensing areas, said set including the impact center area and other sensing areas neighboring said impact center sensing area, where N is at least 2 and is strictly less than M.10-16-2008
20110253901DEVICE FOR DETECTING HIGHLY ENERGETIC PHOTONS10-20-2011
20120199751RADIATION IMAGE DETECTING DEVICE AND METHOD FOR DETECTING START OF IRRADIATION - An FPD has plural pixels arranged in two dimensions. The pixels include a short pixel directly connected to a signal line, and a comparative pixel connected to another signal line through a TFT. In irradiation detecting operation, a control section monitors a voltage signal from the short pixel. When the voltage signal is a predetermined threshold value or more, the control section detects the start of X-ray irradiation, and provisionally starts charge accumulation operation. Then, the control section calculates the difference in the voltage signal between the short pixel and the comparative pixel. When this difference is another threshold value or more, the detection of the start of X-ray irradiation is judged to be valid. When the difference is less than the threshold value, the detection is judged to be misdetection caused by shock noise. The charge accumulation operation is aborted, and the irradiation detecting operation is restarted.08-09-2012
20110163240RADIOGRAPHIC APPARATUS - A radiographic apparatus includes an x-ray detection sensor having a two-dimensional detector plane for detecting an intensity distribution of x-rays, a body internally containing the x-ray detection sensor, a supporting member having a supporting surface for supporting the x-ray detection sensor across the detector plane and which fixes the x-ray detection sensor to an inner bottom surface of the body, and a circuit board on which is mounted a circuit for reading out a detection signal from the x-ray detection sensor. Furthermore, in the radiographic apparatus, the supporting member forms a space between the supporting member and the inner bottom surface of the body in a peripheral portion of the supporting member. At least a part of the circuit board is arranged in the space.07-07-2011
20100327174RAPID ASSEMBLY AND OPERATION OF AN X-RAY IMAGING SYSTEM - Methods and systems for X-ray imaging are disclosed. An X-ray imaging system includes an X-ray tube to generate X-rays and a detector array to capture scattered X-rays. A rotational collimator directs the X-rays at an object under inspection. Rotational mechanisms rotate the X-ray tube and the detector array about a roll axis and a yaw axis to inspect various portions of the object. A track unit mechanism moves the X-ray imaging system linearly along a track unit to further inspect portions of the object.12-30-2010
20100327173Integrated Direct Conversion Detector Module - A detector module comprises: a direct conversion crystal for converting incident photons into electrical signals, the direct conversion crystal having an anode layer deposited on a first surface and a cathode layer deposited on a second surface; a redistribution layer deposited on the anode layer, the redistribution layer configured to adapt a pad array layout of the direct conversion crystal to a predetermined lead pattern; an integrated circuit in electrical communication with the direct conversion crystal; and a plurality of input/output electrical paths connected to the redistribution layer to provide connectivity between the imaging module and another level of interconnect.12-30-2010
20110168908MICROSTRUCTURE MANUFACTURING METHOD - A microstructure manufacturing method includes forming a first insulating film on an Si substrate, exposing an Si surface by removing a part of the first insulating film, forming a recessed portion by etching the Si substrate from the exposed Si surface, forming a second insulating film on a sidewall and a bottom of the recessed portion, forming an Si exposed surface by removing at least a part of the second insulating film formed on the bottom of the recessed portion, and filling the recessed portion with a metal from the Si exposed surface by electrolytic plating.07-14-2011
20110101231COUNT CORRECTION IN A PHOTON COUNTING IMAGING SYSTEM - In a method of count correction for pixels of a pixilated photon counting detector, the average count value output by each of a plurality of pixels during a period of time is determined. A product is determined of the actual average count value and a multiplying correction factor. A corrected count value is then determined for the pixel equal to a sum of the product and an additive correction factor. The multiplying correction factor equals a square root of a quotient of a desired average count value to be output by each of the plurality of pixels during the period of time divided by the actual average count value. The additive correction factor equals a product of the multiplying correction factor and the actual average count value subtracted from the desired average count value.05-05-2011
20080217548IMAGING APPARATUS, RADIATION IMAGING APPARATUS, AND RADIATION IMAGING SYSTEM - An imaging apparatus capable of reducing a line noise artifact in a simple configuration without complicated operations includes: a plurality of pixels arranged in row and column directions and having a photoelectric conversion element and a switch element; a plurality of signal wirings connected to the plurality of switch elements in the column direction; a read-out circuit connected to the plurality of signal wirings; and a power source for supplying a voltage to the photoelectric conversion element. With the configuration, the plurality of pixels are classified into a plurality of groups, and the power sources are independently provided for each of the plurality of groups.09-11-2008
20080217546Pixel Implemented Current to Frequency Converter - The present invention provides a radiation sensor (09-11-2008
20110147600COUNTING X-RAY DETECTOR - For the purposes of particularly high image quality, provision is made for a counting X-ray detector for recording a digital X-ray image from X-ray radiation, with pixel readout units (06-23-2011
20110147601RADIATION IMAGE DETECTOR - A radiation image detector including: an internal power supply section, which is capable of being charged, to supply power to each section; an external power supply terminal to receive power from an external power source to allow the internal power supply section to be charged; and a power supply control section to control supply of the power to the internal power supply section, the power being received from the external power source via the external power supply terminal, wherein when detecting that the external power supply terminal receives power from the external power source, the power supply control section judges an operating state of each section, and controls supply of the power to the internal power supply section according to the operating state of each section, the power being received from the external power source via the external power supply terminal.06-23-2011
20110147599SYSTEMS AND METHODS FOR FILTERING NOISE IN PIXELATED IMAGE DETECTORS - Systems and methods for filtering noise in pixelated photon counting image detectors are provided. One method includes obtaining image information including event count information for a pixelated solid-state photon counting radiation detector and obtaining a count-rate threshold. The method further includes filtering the event count information based on the count-rate threshold.06-23-2011
20100025593EVENT SHARING RESTORATION FOR PHOTON COUNTING DETECTORS - Photon counting detectors may suffer from pulse sharing effects and fluorescence photon generation, which may lead to a degradation of the measured signals. According to an exemplary embodiment of the present invention, a detector unit is provided which is adapted for performing a coincidence detection and correction by comparing detection events of neighbouring cells, thereby providing for a coincidence identification followed by an individual coincidence correction. In order to reduce the number of coincidence detection and corresponding units per detector unit, a specific detector cell geometry may be applied.02-04-2010
20100019161SYSTEMS AND METHODS FOR READING DATA - A system for reading data is provided. The system includes a detector having an array of first semiconductor devices, an array of second semiconductor devices, and an array of photodiodes. The array of photodiodes is coupled to the array of first semiconductor devices and the array of second semiconductor devices.01-28-2010
20100264324 RADIATION DETECTOR COMPRISING AN IMAGING RADIATION-COLLIMATING STRUCTURE - The invention relates to a radiation detector (10-21-2010
20110114847COMPOSITION FOR REFLECTIVE FILM, REFLECTIVE FILM, AND X-RAY DETECTOR - Provided is a composition for reflective film comprising a polyvinyl acetal resin, an epoxidized vegetable oil, a solvent, a coupling agent and titanium oxide.05-19-2011
20110309259Large-scale X-ray detectors and methods of manufacturing the same - Large-scale X-ray detectors and methods of manufacturing the same are provided, the large-scale X-ray detectors include a photoconductor layer configured to generate electrical charges according to an incident X-ray using an entire area of the photoconductor layer, a common electrode on an upper surface of the photoconductor layer, a plurality of pixel electrodes, configured to convert the electrical charges into electrical signals, on a lower surface of the photoconductor layer and divided into a plurality of groups, and a plurality of application-specific integrated circuits (ASICs) each corresponding to one of the groups. Each ASIC is configured to process the electrical signals conveyed via the pixel electrodes in the corresponding group. The ASICs process the electrical signals so that seamless image information is collectively generated by the ASICs with respect to the entire area of the photoconductor layer.12-22-2011
20120043470X-RAY IMAGING APPARATUS - An X-ray imaging apparatus includes a top transparent conductive layer and a bottom transparent conductive layer electrically connected to the top transparent conductive layer. The apparatus also includes an X-ray field modulator positioned adjacent to the bottom transparent conductive layer and an electro-optic layer positioned between the X-ray field modulator and the top transparent conductive layer. The X-ray field modulator is configured to modulate one of a resistance and a charge level therethrough when exposed to different X-ray levels to thereby create different levels of voltage drop across the electro-optic layer. In addition, the different levels of voltage drop causes varying optical properties to appear in the electro-optic layer.02-23-2012
20090072159SEMICONDUCTOR DETECTION MODULE AND RADIATION DETECTION APPARATUS AND RADIOLOGICAL IMAGING APPARATUS USING THE SEMICONDUCTOR DETECTION MODULE - Semiconductor detection modules 03-19-2009
20080258067Microelectronic System with a Passivation Layer - The invention relates to a microelectronic system, particularly for an X-ray detector, comprising a semiconductor layer (10-23-2008
20120153176ADJUSTABLE SPECT DETECTOR - A SPECT detector system includes a plurality of detector units. Each detector unit includes a plurality of detector elements disposed in fixed positions with respect to one another. The detector units are adjustably positioned with respect to one another around a detector arc, which is placed adjacent to a patient.06-21-2012
20120153177RADIOGRAPHIC APPARATUS AND RADIOGRAPHIC SYSTEM - A radiographic apparatus includes a first grating unit, a grating pattern unit, a radiological image detector. The first grating unit has a plurality of radiation shield units that shields the radiation emitted from the radiation source and a substrate on which the first radiation shield units are arranged and which enables the radiation emitted from the radiation source to penetrate therethrough. The grating pattern unit has a period that substantially coincides with a pattern period of a radiological image. The radiological image detector detects the radiological image masked by the grating pattern unit and has a plurality of pixels converting and accumulating the radiation into charges and a substrate. A thermal expansion coefficient of the substrate of the first grating unit is the substantially same as a thermal expansion coefficient of the substrate of the radiological image detector.06-21-2012
20100096557COLLECTOR OPTICAL SYSTEM - A collector optical system is provided in which radiation is collected from a radiation source and directed to an image focus. The collector optical system includes one or more mirrors, with each mirror being symmetric about an optical axis extending through the radiation source and each mirror having at least first and second reflective surfaces. The first and second reflective surfaces have a common focus, such that radiation from the source undergoes successive grazing incidence reflections at the first and second reflective surface and wherein the common focus is transversely offset by a predetermined distance Δr with respect to the optical axis.04-22-2010
20110089330Imager - The invention relates to an imager, particularly for detecting X-rays, having a sensor sensitive to radiation. The sensor is enclosed in a housing comprising a radiation-permeable inlet window and a cable outlet for a cable arrangement coupled to the sensor. The inlet window comprises a fiber insert embedded in a plastic matrix. The invention is used for imaging methods.04-21-2011
20120161019X-RAY DETECTOR - To provide an X-ray detector facilitating the installing and replacement work of a module while reducing the possibility of breakage. An X-ray detector 06-28-2012
20120161018THIN FILM TRANSISTOR ARRAY SUBSTRATE FOR X-RAY DETECTOR AND X-RAY DETECTOR - A thin film transistor (TFT) array substrate for an X-ray detector that improves a fill factor is disclosed. According to one aspect, the substrate includes a plurality of pixel areas each including a transistor area in which a TFT is formed, and a photodiode area in which a photodiode is formed. A first wire is formed in a first layer disposed in a lower portion of a photodiode layer in which the photodiode is formed, in at least a portion of the transistor area of the photodiode layer, and in a second layer disposed in an upper portion of the photodiode layer. A second wire, insulated from the first wire, extends in the pixel areas and is formed in the second layer. At least one TFT is formed in the transistor area and electrically connected to at least one of the first and second wires.06-28-2012
20120161017X-RAY DETECTOR AND METHOD OF DRIVING THE SAME - An X-ray detector is disclosed. According to one aspect, the X-ray detector includes a plurality of light sensing pixels each including a photodiode for generating an electrical detection signal corresponding to incident light and a switching device for transmitting the detection signal. The X-ray detector additionally includes a gate driver for supplying a gate pulse to the switching device via a plurality of gate lines. The gate pulse may be configured to turn on the switching device. The X-ray detector also includes a read out integrated circuit for reading out the detection signal from the plurality of light sensing pixels. During a scrubbing period, in which gate scanning is performed at least once to initialize the photodiodes of the plurality of light sensing pixels, a plurality of gate pulses are supplied to each gate line during each gate scan.06-28-2012
20120126132X-Ray Detector and Method of Driving the Same - An X-ray detector comprises: a plurality of light sensing pixels including a photodiode generating an electrical detection signal corresponding to incident light and a switching device transmitting the detection signal; a gate driver supplying to the switching device, via a plurality of gate lines, a gate pulse for turning on the switching device; and a read out integrated circuit for reading out the detection signal from the plurality of light sensing pixels. Gate pulses supplied to at least two gate lines partially overlap one another during a scrubbing period in which gate scanning is performed at least one time in order to initialize the photodiode of the plurality of light sensing pixels. Accordingly, the X-ray detector maintains image lag removing efficiency and initialization time of the X-ray detectors is reduced.05-24-2012
20120126133X-RAY DETECTION DEVICE - The invention concerns an X-ray detection device, comprising: a semiconducting X-ray detecting member provided with first and second electrode contacts; first and second electric wires connected to the first and second electrode contacts, respectively; a dose adjusting element comprising tissue equivalent material, wherein the dose adjusting element is arranged such as to surround the detecting member with tissue equivalent material; and a shielding member configured to provide an electric shield for the detecting member and to protect the detecting member from being exposed to light. The invention is characterized in that the first electrode contact is positioned on the same side of the detecting member as the second electrode contact.05-24-2012
20100051819X-Ray Detection Panel and X-Ray Detector - An X-ray detector includes a plurality of bias connection lines that connect both ends, respectively, of a bias line for applying a bias voltage to a PIN diode. The bias line includes first and second bias lines.03-04-2010
20100207032RADIOGRAPHIC IMAGE CAPTURE SYSTEM, RADIATION GENERATION DEVICE, IMAGE CAPTURE CONTROL DEVICE AND RADIOGRAPHIC IMAGE CAPTURE DEVICE - A radiographic image capture system is provided. The system includes: a radiation source control component that, when capturing a radiographic image, controls a radiation source such that radiation for image capture is irradiated after radiation for notification of radiation exposure commencement has been irradiated; a detection component that is provided within an irradiation range of radiation irradiated from the radiation source and that detects radiation irradiated from the radiation source; and a radiographic image capture device that includes: a generation component that has a sensor section with sensitivity to radiation and that generates image information denoting a radiographic image represented by radiation irradiated onto the sensor section, and an image capture control component that, when radiation for notification has been detected by the detection component, controls the generation component such that a radiographic image is captured with the radiation for image capture irradiated after detection.08-19-2010
20120248321INDICIA FOR BACKSCATTER DETECTION IN PORTABLE RADIOLOGICAL DETECTORS - Embodiments of secondary backscatter indicia; digital radiography detectors and radiographic imaging apparatus using the same; and methods for using the same can detect a secondary backscatter condition for a radiation exposure. In one embodiment, a DR detector can include a housing having first and second surfaces and a plurality of walls to form a cavity; a detector array mounted within the cavity to form an electronic radiographic image; and backscatter absorbing indicia distributed in a prescribed arrangement. Embodiments of methods and/or apparatus according to the application can detect secondary backscatter radiation, can notify a technician when secondary backscatter radiation is detected in an x-ray image or can detect and/or identify portions of an active imaging area of an x-ray detector subjected to secondary backscatter radiation.10-04-2012
20090057564PHOTOSENSOR AND X-RAY IMAGING DEVICE - A parasitic capacitance is reduced between a lower electrode of a photodiode and data line. A photosensor according to this invention includes a glass substrate; an underlying insulator which is provided on the glass substrate, and has a dielectric constant lower than that of the glass substrate; and a switching element which is formed by laminating a gate electrode, a gate insulating film, and a semiconductor layer on the underlying insulator, and includes a drain electrode connected to the semiconductor layer. The drain electrode has an extended portion which directly contacts a surface of the underlying insulator. The photosensor further includes a photodiode which is provided on the extended portion of the drain electrode.03-05-2009
20100308230DETECTOR ARRAY SUBSTRATE AND NUCLEAR MEDICINE DIAGNOSIS DEVICE USING SAME - Provided are a detector array substrate and a nuclear medicine diagnosis device using the same. The detector array substrate is provided with a flat detection module stacked in plural detection elements, which is connected to said detectors each other, and have signal electrodes for reading out signals of respective detectors, and bias electrodes for applying bias voltage to respective detectors, in order to form plural detectors for detecting radiation; and stacked with the detectors by arranging the detection modules having the plural detectors, in an X direction, as well as by arranging the detection modules in a flat structure on both planes or one plane of a wiring board in a Z direction as for an XZ plane for detecting the radiation, and provided with the plural detection modules in a Y direction.12-09-2010
20100051820X-RAY DETECTING ELEMENT - The present invention provides an X-ray detecting element that obtains radiation images by X-rays of different energies by irradiation of X-rays at a single time, without positional offset arising. Two X-ray detecting sections are provided so as to be layered at a substrate in a direction of irradiation of X-rays. A first X-ray detecting section detects irradiated X-rays, and a second X-ray detecting section detects X-rays that are transmitted through the first X-ray detecting section.03-04-2010
20100276605DETECTOR FOR DETECTING PARTICLE RADIATION OF AN ENERGY IN THE RANGE OF 150 EV TO 300 KEV, AND A MATERIALS MAPPING APPARATUS WITH SUCH A DETECTOR - Detector for detection of particle radiation, particularly particle radiation having an energy in the range of 150 eV to 300 keV, comprising at least one detector element, said detector element comprising a semiconductor detector material, at least a set of line-shaped electrodes conductively connected to at least one surface of said semiconductor detector material, each set comprising a plurality of line-shaped electrodes extending in parallel, and signal processor communicating with said line-shaped electrodes, wherein, in each set, said line-shaped electrodes are distributed with a strip pitch of less than 3 μm, and that the thickness of said semiconductor detector material is of less than two times the strip pitch of said line-shaped electrodes.11-04-2010
20120074329DIGITAL X-RAY DETECTOR WITH INCREASED DYNAMIC RANGE - In one embodiment, a digital X-ray detector is provided with a plurality of pixel regions. Each pixel region includes a first photodiode having a first area and a second photodiode having a second area equal to or smaller than the first area. The digital X-ray detector also includes a shielding structure that overlies the first and second photodiodes of each pixel region with the shielding structure shielding proportionally less of the first photodiode than of the second photodiode to provide the first photodiode with a first sensitivity and the second photodiode with a second sensitivity lower than the first sensitivity.03-29-2012
20120223241Large-Scale X-Ray Detectors - An X-ray detector including a plurality of chips on a printed circuit board, each of the plurality of chips including a plurality of pixel pads on a center portion of the printed circuit board and a plurality of pin pads surrounding the plurality of pixel pads, a plurality of pixel electrodes on and corresponding to the plurality of chips, a redistribution layer electrically connecting the plurality of pixel electrodes and the plurality of pixel pads, a plurality of first electrode pads on a surface opposite to a surface of the plurality of chips including the plurality of pin pads, a wire electrically connecting the plurality of first electrode pads and the plurality of pin pads, a photoconductor on the plurality of pixel electrodes, and a common electrode on the photoconductor.09-06-2012
20120119100RADIOGRAPHIC-IMAGE CAPTURING DEVICE AND RADIOGRAPHIC-IMAGE CAPTURING SYSTEM - The radiographic-image capturing device is provided with: a detecting unit that has multiple scanning lines and multiple signal lines arranged so as to intersect with each other, and has multiple radiation detection elements arranged two-dimensionally at each of the areas partitioned by the multiple scanning lines and multiple signal lines; a reading circuit that reads electric charges from the radiation detection elements via the signal lines, and converts the electric charges to electric signals, and outputs the electric signals as image data, for each of the radiation detection elements; and compressing means for compressing image data of each of the radiation detection elements. The compressing means creates difference data between the image data of adjacent radiation detection elements, for each of the image data outputted from multiple radiation detection elements connected to the same signal line, and compresses this difference data.05-17-2012
20110121191CIRCUIT ARRANGEMENT FOR COUNTING X-RAY RADIATION X-RAY QUANTA BY WAY OF QUANTA-COUNTING DETECTORS, AND ALSO AN APPLICATION-SPECIFIC INTEGRATED CIRCUIT AND AN EMITTER-DETECTOR SYSTEM - A circuit arrangement of a quanta-counting detector with a multiplicity of detector elements is disclosed, wherein the X-ray quanta registered in each detector element generate a signal profile. In at least one embodiment, the circuit arrangement, in each detector element, includes: at least one first comparator with a first energy threshold lying in the energy range of the measured X-ray quanta and at least one second comparator with a second energy threshold lying above the energy range of the measured X-ray quanta, the at least one first and second comparators being connected to the detector element. Further, the at least two comparators have a logical interconnection, wherein at least a first comparator and a second comparator are connected to the inputs of an XOR gate, and each XOR gate connected to a first comparator is connected to precisely one edge-sensitive counter. Further, in at least one embodiment, an application-specific integrated circuit (ASIC) and an emitter-detector system of an X-ray CT system, including at least one circuit arrangement, are disclosed.05-26-2011
20100243907APPARATUS AND METHODS FOR DETERMINING A SYSTEM MATRIX FOR PINHOLE COLLIMATOR IMAGING SYSTEMS - Apparatus and methods for determining a system matrix for pinhole collimator imaging systems are provided. One method includes using a closed form expression to determine a penetration term for a collimator of the medical imaging system and determining a point spread function of the collimator based on the penetration term. The method further includes calculating the system matrix for the medical imaging system based on the determined point spread function.09-30-2010
20120080606PROCESSING CIRCUIT FOR AN X-RAY SENSOR - A processing circuit for an X-ray sensor for collecting at least a first pixel information of a first pixel and a second pixel information of a second pixel is provided. The processing circuit comprises an amplifier (04-05-2012
20130009069RADIATION DETECTOR, RADIOGRAPHIC IMAGING DEVICE AND RADIOGRAPHIC IMAGING SYSTEM - The present invention provides a radiation detector, a radiographic imaging device, and a radiographic image system that may be easily tested and may precisely detect radiation. Namely, pixels each includes a sensor portion A and a sensor portion B. In imaging pixels, the sensor portion A and the sensor portion B are connected by a connection line, and charges generated in the sensor portion A and in the sensor portion B are read by a TFT switch and output to a signal line. In radiation detection pixels, charges generated in the sensor portion A are read by a TFT switch and output to a signal line. Further, in the radiation detection pixels, the sensor portion B and the signal line are directly connected by a connection line, and the charges generated in the sensor portion B are output to the signal line as they arise.01-10-2013
20080251729SENSOR AND IMAGE PICKUP DEVICE - A sensor for detecting a received electromagnetic wave comprising a first electrode, a second electrode and an amorphous oxide layer interposed between the first electrode and the second electrode.10-16-2008
20080230709ENERGY DISCRIMINATING DETECTOR DIFFERENT MATERIALS DIRECT CONVERSION LAYERS - A diagnostic imaging system includes a high frequency electromagnetic energy source that emits a beam of high frequency electromagnetic energy toward an object to be imaged. An energy discriminating (ED) detector receives high frequency electromagnetic energy emitted by the high frequency electromagnetic energy source. The ED detector includes a first direct conversion layer and a second direct conversion layer. The first direct conversion layer comprises a first direct conversion material and the second direct conversion layer comprises a second direct conversion material that is different from the first direct conversion material. A data acquisition system (DAS) is operably connected to the ED detector and a computer operably connected to the DAS.09-25-2008
20080224058PHOTOELECTRIC CONVERTER AND X-RAY IMAGE PICK-UP DEVICE - A photoelectric converter includes a plurality of substrates, which are located adjacent to each other and on which a plurality of photoelectric conversion devices are two-dimensionally arranged, and either scan circuits or detection circuits that are arranged on two opposing sides of the photoelectric converter, whereby scanning directions either from the scan circuits or from the detection circuits, which are arranged on the two opposing sides, are capable of being set so as to be performed in like directions.09-18-2008
20080224057APPARATUS FOR AND METHOD OF CAPTURING RADIATION IMAGE - While a solid-state detector is not being irradiated with a radiation, unexposed image data R09-18-2008
20080224056Energy Detector and Related Apparatus - A method includes purposefully electromagnetically shielding a portable x-ray detector.09-18-2008
20130168564MECHANICAL SHOCK ISOLATION FOR A RADIOGRAPHIC DEVICE - A portable radiation detector is described having an elastomeric enclosure that provides some degree of mechanical shock resistance. In one embodiment, the enclosure encloses some or all of the electronic components of the detector and provides protection against drops and other mechanical shock for the enclosed components. One or more support or stiffening structures may also be provided to protect against impacts, to distribute static loads, and/or to impart a shape to the detector when handled.07-04-2013
20080217545Compact CMOS-Based X-Ray Detector Adapted for Dental Applications - An image sensor having a two-dimensional array of pixel sensors, a layer of scintillation material, and a controller is disclosed. The layer of scintillation material is adjacent to the two-dimensional array, the scintillation material emits light in response to x-rays impinging thereon. The pixel sensors detect this light. The controller reads out data stored in the two-dimensional array of pixel sensors and forms an image therefrom. The controller corrects the data for errors resulting from x-rays that generate electrons that are stored in the pixel sensors in the process of forming the image. In one aspect of the invention, the controller forms the image by causing the two-dimensional array to form a plurality of frames, each frame includes a measurement of a charge stored on each photodiode during a preceding time period. The controller selectively combines data from the frames to form the image.09-11-2008
20130112886PHOTO-DETECTING PIXEL, PHOTO-DETECTING APPARATUS, AND METHOD OF DRIVING THE PHOTO-DETECTING APPARATUS - A photo-detecting apparatus in which the time taken to read out a detection signal is decreased, and thus, a frame rate of the photo-detecting apparatus is improved. A photo-detecting pixel includes a photosensitive device for generating a first detection signal by photoelectrically converting incident light; a first transistor for generating a detection current by receiving the first detection signal generated by the photosensitive device via a gate terminal of the first transistor; a second transistor for forming a first current path with the first transistor, in response to a read signal input via a gate terminal of the second transistor; and a third transistor for delivering a voltage in accordance with the detection current to a data line, in response to a gate signal applied to a gate terminal of the third transistor.05-09-2013
20100276604IMAGE DETECTING DEVICE - Static electricity generated in each data line 11-04-2010
20130146777X-RAY DETECTOR AND METHOD OF DRIVING X-RAY DETECTOR - An x-ray detector includes a plurality of photosensitive pixels each including a first photodiode generating an electric signal corresponding to an x-ray, and a first switching device turned on by a gate signal and outputting the electric signal from the photodiode through a data line, and a plurality of dummy pixels each including a second photodiode generating an electric signal corresponding to an x-ray, and a second switching device maintaining a turned-off state regardless of a gate signal and blocking the electric signal from being output from the second photodiode to the data line.06-13-2013
20110220805FET RADIATION MONITOR - A semiconductor device includes a semiconductor substrate; a buried insulator layer disposed on the semiconductor substrate, the buried insulator layer configured to retain an amount of charge in a plurality of charge traps in response to a radiation exposure by the semiconductor device; a semiconductor layer disposed on the buried insulating layer; a second insulator layer disposed on the semiconductor layer; a gate conducting layer disposed on the second insulator layer; and one or more side contacts electrically connected to the semiconductor layer. A method for radiation monitoring, the method includes applying a backgate voltage to a radiation monitor, the radiation monitor comprising a field effect transistor (FET); exposing the radiation monitor to radiation; determining a change in a threshold voltage of the radiation monitor; and determining an amount of radiation exposure based on the change in threshold voltage.09-15-2011
20090166544DEVICE FOR DETECTING ELECTROMAGNETIC RADIATION AND IONIZING RADIATION HAVING AN ISOTROPIC TRANSFER LAYER - This device for detecting electromagnetic radiation, in particular X-ray or γ-rays, includes: a sensing layer consisting of at least one material capable of interacting with said electromagnetic radiation to be detected, in order to liberate mobile charge carriers, whereof the movement generates an electric current; a substrate provided with a plurality of elementary collectors of the charge carriers thus liberated, said elementary collectors being distributed discretely; a transfer layer suitable for transferring the charge carriers liberated by the sensing layer at the elementary collectors, said layer being connected to the sensing layer; and an insulating adhesive mating layer, suitable for mating the plurality of elementary collectors and the transfer layer.07-02-2009
20110233417ENERGY DETECTOR AND RELATED APPARATUS - A portable x-ray detector is disclosed that includes an x-ray detecting member and a user removable electromagnetic interference (EMI) shielding member. The user removable EMI shielding member is positioned to at least partially magnetically shield the x-ray detecting member of the portable x-ray detector by redirecting an impinging magnetic field around the x-ray detecting member. The user removable EMI shielding member includes a first magnetic shielding layer, a second magnetic shielding layer, and an intervening material, other than the x-ray detecting member, between the first magnetic shielding layer and the second magnetic shielding layer.09-29-2011
20110303853X-ray detector and X-ray image detecting method - An X-ray detector and a method of detecting an X-ray image. The method includes: during an offset adjustment, sequentially outputting first gate signals to a plurality of gate lines for turning on the switching devices; during an offset read out, sequentially outputting second gate signals to the plurality of gate lines for turning on the switching devices after a first window time; and during the offset read out, reading electrical signals output by the switching device.12-15-2011
20130193334IMAGING APPARATUS, X-RAY DETECTOR, AND IMAGING METHOD - An imaging apparatus includes a sensor including a plurality of pixels arranged in a two-dimensional pattern, a sample-hold unit configured to sample and hold a signal obtained from each pixel, and a reading unit configured to perform scanning in such a way as to perform a plurality of non-destructive reading operations for pixels of one row and as to read pixels of the next row, and to subsequently perform scanning in a row direction and a column direction to read the signal having been sampled and held by the sample-hold unit, an A/D conversion unit configured to perform analog/digital conversion processing on the signal read by the reading unit, an averaging processing unit configured to perform averaging processing on the signal converted by the A/D conversion unit, for each pixel, and a digital binning unit configured to perform binning processing using the signal processed by the averaging processing unit.08-01-2013
20130193335IMAGING APPARATUS, CONTROL METHOD THEREOF, AND PROGRAM - A flat panel sensor control unit reads image data from each region formed by dividing a flat panel. A write access control unit writes the image data read by the flat panel sensor control unit in a frame memory. A read access control unit starts reading the image data from the frame memory in response to that the writing of the image data to the frame memory becomes a predetermined state.08-01-2013
20120018646X-RAY IMAGING APPARATUS, X-RAY IMAGING METHOD, AND COMPUTER STORAGE MEDIUM - An X-ray imaging apparatus includes an image capture unit including a plurality of pixels for imaging X-ray radiation, a first correction unit configured to correct an output value of an unsaturated pixel among the plurality of pixels, and a second correction unit configured to correct an output value of a saturated pixel among the plurality of pixels. The second correction unit corrects the saturated pixel based on an output value of the unsaturated pixel corrected by the first correction unit and located within a predetermined distance from the saturated pixel.01-26-2012
20120025089X-RAY IMAGING DEVICE - An X-ray imaging device 02-02-2012
20120085915PROCESSING ELECTRONICS AND METHOD FOR DETERMINING A COUNT RESULT, AND DETECTOR FOR AN X-RAY IMAGING DEVICE - The present invention relates to processing electronics (04-12-2012

Patent applications in class X-ray or gamma-ray system