Scintillation System Patents (Class 250/370.11)
  • Patent number: 11971511
    Abstract: A panel radiation detector is provided for detecting radiation event(s) of ionizing radiation, comprising a plurality of adjoining plastic scintillator slabs, a plurality of silicon photomultiplier sensors arranged at an edge of at least one of the plastic scintillator slabs) and configured to detect scintillation light generated in the scintillator slabs responsive to the radiation events, and a plurality of signal processing units each connected to one of the silicon photomultiplier sensors, wherein the signal processing units each comprise a digitization circuit configured to generate a digitized signal for signal analysis by executing 1-bit digitization of a detection signal generated by at least one of the silicon photomultiplier sensors responsive to the detected scintillation light for determining the energy of the detected radiation event(s).
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: April 30, 2024
    Assignee: Arktis Radiation Detectors Ltd.
    Inventors: Ulisse Gendotti, Christoph Philipp, Rico Chandrasekharan, Mohsen Meshkian
  • Patent number: 11951329
    Abstract: The invention relates to a method and apparatus for determining actual points along a positively charged particle beam path and/or vectors of the charged particle beam path, where the determined points and vectors aid tomographic construction of a three-dimensional image of a tumor and surrounding tissue. Further, the determined points and vectors of the positively charged particle beam are used in beam control safety, to modify a tumor treatment plan in real time, and/or in combination with co-gathered X-ray images to form a hybrid proton tomography—X-ray three-dimensional image. Preferably, common elements, such as an injector, accelerator, beam transport system, and/or patient positioning system are used for both tumor treatment and tumor imaging.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: April 9, 2024
    Inventor: Vladimir Balakin
  • Patent number: 11941850
    Abstract: Disclosed herein is an image sensor with two radiation detectors, each having a planar surface for receiving radiation; and a calibration pattern. The planar surfaces of the radiation detectors are not coplanar. The image sensor can capture images of two portions of the calibration pattern, respectively using the radiation detectors. The image sensor can determine two transformations for the radiation detectors based on the images of the portions of the calibration pattern, respectively. The image sensor can capture images of two portions of a scene, respectively using the radiation detectors, determine projections of the images of the portions of the scene onto an image plane using the transformations, respectively, and form an image of the scene by stitching the projections.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: March 26, 2024
    Assignee: SHENZHEN XPECTVISION TECHNOLOGY CO., LTD.
    Inventors: Yurun Liu, Peiyan Cao
  • Patent number: 11846739
    Abstract: A circuit for sensing an X-ray including a switching element, a storage element, a sensing element and a branching element. The storage element electrically coupled to the switching element. The sensing element electrically coupled to the switching element. The branching element electrically coupled between the storage element and the sensing element.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: December 19, 2023
    Assignee: InnoCare Optoelectronics Corporation
    Inventors: Hsin-Hung Lin, Chin-Chi Chen, Chih-Hao Wu
  • Patent number: 11815637
    Abstract: A radiation imaging apparatus includes a sensor substrate having a plurality of imaging pixels used to capture a radiation image and a detection pixel used to detect radiation; and a housing which accommodates the sensor substrate, wherein the sensor substrate includes an arrangement prohibited region including a stress concentration portion where a stress concentrates due to deformation of the housing, and the detection pixel is arranged in a region different from the arrangement prohibited region.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: November 14, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kentaro Fujiyoshi, Motoki Tagawa, Takahiro Koyanagi
  • Patent number: 11802979
    Abstract: Structures operable to detect radiation are described. An imaging system is also described having the structures. For example, a structure may include two screens and a photosensor array between the two screens. One of the screens is comprised of a scintillating glass substrate. The scintillating glass substrate may serve two purposes. The scintillating glass substrate converts incident x-rays into light photons. Additionally, the scintillating glass substrate is a substrate for the photosensor array. The photosensor array is configured to detect light photons that reach the photosensor array from both screens.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: October 31, 2023
    Assignee: THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK
    Inventors: Anthony Lubinsky, Adrian Howansky, Wei Zhao
  • Patent number: 11796693
    Abstract: The invention relates to energy-resolved X-ray imaging apparatus and method. The present disclosure provides an apparatus for electromagnetic irradiation imaging. The apparatus includes one or more pixels, each pixel including a plurality of detector cells arranged in a row extending in a row direction. The row is configured to receive photons at an incident surface at one end of the row, and the received photons penetrate the plurality of detector cells in the row direction. The plurality of detector cells of the same row are configured to generate respective signals that collectively indicate an energy-resolved spectral profile of the photons based on the penetration of the photons into the row of detector cells.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: October 24, 2023
    Assignee: THE UNIVERSITY OF HONG KONG
    Inventors: Xiaodong Cui, Chunlei Yang
  • Patent number: 11794036
    Abstract: Described here are systems, devices, and methods for imaging and radiotherapy procedures. Generally, a radiotherapy system may include a radiotransparent patient platform, a radiation source coupled to a multi-leaf collimator, and a detector facing the collimator. The radiation source may be configured to emit a first beam through the collimator to provide treatment to a patient on the patient platform. A controller may be configured to control the radiotherapy system.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: October 24, 2023
    Assignee: RefleXion Medical, Inc.
    Inventors: Rostem Bassalow, Manat Maolinbay, Brent Harper
  • Patent number: 11789165
    Abstract: A difference in wiring capacitance between bias lines is reduced by equalizing, for pixels A connected to a signal line from a first direction and pixels B connected to the signal line from a second direction, the numbers of the pixels A and the pixels B where the pixels A and the pixels B are each connected to the corresponding bias line.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: October 17, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Jun Kawanabe, Masato Ofuji, Kentaro Fujiyoshi
  • Patent number: 11782175
    Abstract: A PET detector and method thereof are provided. The PET detector may include: a crystal array including a plurality of crystal elements arranged in an array and light-splitting structures set on surfaces of the plurality of crystal elements, the light-splitting structures jointly define a light output surface of the crystal array; a semiconductor sensor array, which is set in opposite to the light output surface of the crystal array and is suitable to receive photons from the light output surface, the semiconductor sensor array comprises a plurality of semiconductor sensors arranged in an array.
    Type: Grant
    Filed: May 30, 2022
    Date of Patent: October 10, 2023
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Shaohui An, Qiang Zhang
  • Patent number: 11762109
    Abstract: Described herein are scintillation detectors such as alpha- and beta-particle scintillation detectors along with methods of preparing and using such detectors. The scintillation detector comprises a protective layer including light-blocking nanoparticles.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: September 19, 2023
    Assignee: Corvid Technologies LLC
    Inventors: Sean Matthew Hunt, Stephen Michael Daigle, Kristopher Reidar Vorren
  • Patent number: 11764245
    Abstract: Method for fabricating a photodetector includes providing a first substrate containing pixel circuits and common electrode connection members formed therein. A first wiring board material layer is formed on the first substrate and electrically connected to the pixel circuits. A second wiring board material layer is formed on a second substrate and electrically connected to the pixel layers formed therein. The first and second wiring board material layers are bonded. The second substrate, and the second and first wiring board material layers are etched to form through holes with isolation wall members formed therein, the through holes dividing the pixel layer, and the second and first wiring board material layers into pixel units, and second and first wiring boards. Each isolation wall member includes a conductive member and a sidewall between the conductive member and the pixel unit. A transparent electrode layer is formed on the second substrate.
    Type: Grant
    Filed: August 3, 2021
    Date of Patent: September 19, 2023
    Assignee: NINGBO SEMICONDUCTOR INTERNATIONAL CORPORATION
    Inventor: Hailong Luo
  • Patent number: 11762110
    Abstract: A radiation detector includes a photoelectric conversion element array, a scintillator layer converting radiation into light, a resin frame formed on the photoelectric conversion element array, and a protective film covering the scintillator layer. The resin frame has a groove continuous with an outer edge of the protective film. The groove has an overlapping region including a first groove end portion and a second groove end portion partially overlapping in a direction intersecting with an extension direction of the groove.
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: September 19, 2023
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Masami Ina, Syouji Kurebayashi
  • Patent number: 11754728
    Abstract: An X-ray imaging apparatus includes an X-ray source, an X-ray imaging panel, and a controller. The controller includes an image processing unit that generates an inspection image in accordance with a data signal read from a thin-film transistor with the thin-film transistor supplied with a gate signal, a detection control unit that detects a dark-spot pixel from the inspection image, and a threshold correction unit that applies, to a gate of the thin-film transistor corresponding to the dark-spot pixel, a positive shift voltage that raises a gate-off threshold voltage of the thin-film transistor.
    Type: Grant
    Filed: June 2, 2022
    Date of Patent: September 12, 2023
    Assignee: SHARP DISPLAY TECHNOLOGY CORPORATION
    Inventors: Kohzoh Takahashi, Akinori Kubota
  • Patent number: 11757046
    Abstract: The present disclosure relates to a thin film transistor array substrate for a digital X-ray detector device and the digital X-ray detector device and a manufacturing method thereof. The thin film transistor array substrate comprises: a base substrate comprising a driving area and a non-driving area; at least one PIN diode disposed within the driving area of the base substrate and comprising a lower electrode, a PIN layer, and an upper electrode; and at least one align mark disposed within the non-driving area of the base substrate, wherein the align mark comprises a first align mark layer, an align PIN layer, and a second align mark layer.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: September 12, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Jaeho Yoon, Moonsoo Kang, Donghyeon Jang, Shihyung Park
  • Patent number: 11719835
    Abstract: A radiation-sensing device is provided. The radiation-sensing device includes a substrate, a first scintillator layer, a second scintillator layer, and an array layer. The first scintillator is disposed on a first side of the substrate, and includes a plurality of first blocking walls and a plurality of first scintillator elements. The plurality of first scintillator elements are located between the plurality of first blocking walls. The second scintillator layer is disposed on a second side of the substrate, and the second side is opposite to the first side. The array layer is located between the first scintillator layer and the second scintillator layer, and has a plurality of photosensitive elements. In addition, a projection of at least one of the plurality of first blocking walls on the substrate overlaps with a projection of at least one of the plurality of photosensitive elements on the substrate.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: August 8, 2023
    Assignee: InnoCare Optoelectronics Corporation
    Inventor: Chih-Hao Wu
  • Patent number: 11681057
    Abstract: An X-ray device, including a sensor panel and a flexible scintillator structure disposed on the sensor panel, is provided. A manufacturing method of the X-ray device is also provided.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: June 20, 2023
    Assignee: InnoCare Optoelectronics Corporation
    Inventors: Wen Chien Lin, Chih-Hao Wu
  • Patent number: 11681056
    Abstract: An X ray device, including an array substrate, a scintillator layer, a first adhesion layer, a function film, and a second adhesion layer, is provided. The scintillator layer is disposed on the array substrate. The first adhesion layer is disposed between the scintillator layer and the array substrate. The function film is disposed on the array substrate. The second adhesion layer is disposed between the function film and the array substrate. The function film covers the scintillator layer.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: June 20, 2023
    Assignee: InnoCare Optoelectronics Corporation
    Inventors: Chih-Ying Wang, Chih-Hao Wu
  • Patent number: 11662480
    Abstract: The present disclosure provides an image sensor and electronic equipment. The image sensor includes: a pixel array, comprising a plurality of pixels, wherein a light-transmitting part is disposed between adjacent pixels; a protective layer, covering at least a part of a surface of the pixel; a conversion layer, configured to convert X-ray into visible light; wherein when X-ray is incident from a side of the image sensor, a portion of the X-ray is incident on the protective layer, another portion of X-ray transmits through the light-transmitting part between the pixels, reaches the conversion layer, and is converted into visible light by the conversion layer and received by the pixel. With the above solution, the pixels can be protected from the damage of X-ray high-energy photons while improving the resolution of the captured X-ray image.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: May 30, 2023
    Assignee: Shanghai Harvest Intelligence Technology Co., Ltd.
    Inventor: Jiandong Huang
  • Patent number: 11650336
    Abstract: According to one embodiment, a radiation detector includes a first member including a scintillator layer, an organic member including an organic semiconductor layer, and a first conductive layer. The first conductive layer includes a first conductive region and a second conductive region. A second direction from the first conductive region toward the second conductive region crosses a first direction from the organic member toward the first member. A first portion of the organic member is between the first conductive region and the second conductive region in the second direction.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: May 16, 2023
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yuko Nomura, Kohei Nakayama, Atsushi Wada, Fumihiko Aiga, Isao Takasu
  • Patent number: 11644583
    Abstract: An apparatus, system and method suitable for detecting X-ray are disclosed. In one example, the apparatus comprises: an X-ray absorption layer and a mask; wherein the mask comprises a first window and a second window, and a portion between the first window and the second window; wherein the first and second windows are not opaque to an incident X-ray; wherein the portion is opaque to the incident X-ray; and wherein the first and second windows are arranged such that charge carriers generated in the X-ray absorption layer by an X-ray photon propagating through the first window and charge carriers generated in the X-ray absorption layer by an X-ray photon propagating through the second window do not spatially overlap.
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: May 9, 2023
    Assignee: SHENZHEN XPECTVISION TECHNOLOGY CO., LTD.
    Inventors: Peiyan Cao, Yurun Liu
  • Patent number: 11635530
    Abstract: An X-ray sensing device includes a photosensitive element, lead-containing glass, and an X-ray conversion structure. The photosensitive element is configured to sense light having a first wavelength. The lead-containing glass overlaps the photosensitive element. The X-ray conversion structure is disposed on the lead-containing glass. The lead-containing glass is located between the photosensitive element and the X-ray conversion structure. The X-ray conversion structure is configured to at least partially convert X-rays into light having the first wavelength.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: April 25, 2023
    Assignee: Au Optronics Corporation
    Inventors: Chia-Hsiu Tsai, Chia-Ming Chang, Ruei-Pei Chen
  • Patent number: 11633162
    Abstract: Provided is a radiation detector having a portion in which a substrate in which a plurality of pixels for accumulating electric charges generated in accordance with light converted from radiation are formed in a pixel region, a conversion layer that converts radiation into light, a reflective pressure sensitive adhesive layer that reflects the light converted by the conversion layer, and an adhesive layer that covering a region including a region ranging from an end part of the pressure sensitive adhesive layer to a surface of the substrate are provided in this order.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: April 25, 2023
    Assignee: FUJIFILM Corporation
    Inventor: Munetaka Kato
  • Patent number: 11624716
    Abstract: A radiation detector including: a sensor substrate including a flexible base member and a layer provided on a first surface of the base member and formed with plural pixels that accumulates electrical charge generated in response to light converted from radiation; a conversion layer provided on the first surface side of the sensor substrate, the conversion layer converts radiation into the light; and an elastic layer provided on the opposite side of the conversion layer to a side provided with the sensor substrate, the elastic layer having a greater restoring force with respect to bending than the sensor substrate.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: April 11, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Shinichi Ushikura, Munetaka Kato, Haruyasu Nakatsugawa, Keiichi Akamatsu
  • Patent number: 11621282
    Abstract: Provided is a multiplexing signal processing device based on a passive element including a plurality of signal converters that respectively process a plurality of input signals and are arranged in a matrix consisting of N rows and M columns and include N signal converter blocks respectively connected to N row unit output terminals; and M signal converter blocks respectively connected to M column unit output terminals. The signal converters each include a first diode having an input terminal connected to an input signal node, a second diode having an input terminal connected to the input signal node, and a ground resistor coupled to the input signal node.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: April 4, 2023
    Assignee: SOGANG UNIVERSITY RESEARCH & BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Ji Woong Jung, Yong Choi, Kun Tai Park
  • Patent number: 11614551
    Abstract: The present disclosure provides a detection substrate, a manufacturing method thereof and a ray detector. The detection substrate includes: a base substrate; a plurality of independent first electrodes arranged on the base substrate on the same layer; a photoelectric conversion layer arranged on a whole face of sides, facing away from the base substrate, of the plurality of first electrodes; a ray absorption layer arranged on a side, facing away from the plurality of first electrodes, of the photoelectric conversion layer, wherein an orthographic projection of the ray absorption layer on the base substrate is overlapped with an orthographic projection of gaps between the first electrodes on the base substrate; and a second electrode arranged on a whole face of a side, facing away from the plurality of first electrodes, of the photoelectric conversion layer.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: March 28, 2023
    Assignees: Beijing BOE Sensor Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jianxing Shang, Xuecheng Hou, Zhenyu Wang, Ziran Liu, Chuang Yong
  • Patent number: 11609347
    Abstract: A radiation detector includes a flexible substrate, plural pixels provided on the substrate and each including a photoelectric conversion element, a scintillator stacked on the substrate, and a bending suppression member configured to suppress bending of the substrate. The bending suppression member has a rigidity that satisfies R?X2/2ZL wherein X is a pixel size, ZL is a critical deformation amount of the pixel through bending of the substrate, and R is a radius of curvature of bending occurring in the substrate due to the weight of the scintillator.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: March 21, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Naoto Iwakiri, Munetaka Kato, Haruyasu Nakatsugawa, Keiichi Akamatsu
  • Patent number: 11604291
    Abstract: The present disclosure provides a flat panel detector and a driving method thereof. A detection unit includes: a first transistor, a second transistor, a storage capacitor and a photoelectric detection device, and because an active layer of the second transistor is made of amorphous silicon semiconductor materials and an active layer of the first transistor is made of low-temperature poly-silicon semiconductor materials or metallic oxide semiconductor materials, transmission delay of an electric signal generated by the photoelectric detection device may be reduced by controlling conduction and cut-off of the first transistor and controlling conduction and cut-off of the second transistor.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: March 14, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zeyuan Li, Jiangbo Chen, Fanli Meng
  • Patent number: 11531123
    Abstract: A radiation detector includes a wiring board, a first image sensor, a second image sensor, a first fiber optic plate, a second fiber optic plate, and a scintillator layer. The first fiber optic plate can guide light between a first light entering region and a first light exiting region. The second fiber optic plate can guide light between a second light entering region and a second light exiting region. One side of the first light entering region and one side of the second light entering region are in contact with each other. The first light exiting region is positioned on a first light receiving region. The second light exiting region is positioned on a second light receiving region. One side surface of a first side surface and one side surface of a second side surface exhibit shapes along each other and in contact with each other.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: December 20, 2022
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventor: Kenta Matsuoka
  • Patent number: 11524902
    Abstract: A positive electrode material contains a positive electrode active material and a first solid electrolyte material. The first solid electrolyte material contains Li, M, and X; M at least contains yttrium; and X is at least one selected from the group consisting of Cl, Br, and I.
    Type: Grant
    Filed: June 27, 2020
    Date of Patent: December 13, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tetsuya Asano, Akihiro Sakai
  • Patent number: 11512251
    Abstract: The present invention provides a rare-earth halide scintillating material and application thereof. The rare-earth halide scintillating material has a chemical formula of REaCebX3, wherein RE is a rare-earth element La, Gd, Lu or Y, X is one or two of halogens Cl, Br and I, 0?a?1.1, 0.01?b?1.1, and 1.0001?a+b?1.2. By taking a +2 valent rare-earth halide having the same composition as a dopant to replace a heterogeneous alkaline earth metal halide in the prior art for doping, the rare-earth halide scintillating material is relatively short of a halogen ion. The apparent valence state of a rare-earth ion is between +2 and +3. The rare-earth halide scintillating material belongs to non-stoichiometric compounds, but still retains a crystal structure of an original stoichiometric compound, and has more excellent energy resolution and energy response linearity than the stoichiometric compound.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: November 29, 2022
    Assignees: GRIREM ADVANCED MATERIALS CO., LTD., GENERAL RESEARCH INSTITUTE FOR NONFERROUS METALS
    Inventors: Jinqiu Yu, Chengpeng Diao, Hao Wu, Lei Cui, Huaqiang He
  • Patent number: 11513253
    Abstract: A system identifying a source of radiation is provided. The system includes a radiation source detector and a radiation source identifier. The radiation source detector receives measurements of radiation; for one or more sources, generates a detection metric indicating whether that source is present in the measurements; and evaluates the detection metrics to detect whether a source is present in the measurements. When the presence of a source in the measurements is detected, the radiation source identifier for one or more sources, generates an identification metric indicating whether that source is present in the measurements; generates a null-hypothesis metric indicating whether no source is present in the measurements; evaluates the one or more identification metrics and the null-hypothesis metric to identify the source, if any, that is present in the measurements.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: November 29, 2022
    Assignee: Lawrence Livermore National Security, LLC
    Inventors: Simon E. Labov, Karl E. Nelson, Brandon S. Seilhan
  • Patent number: 11506802
    Abstract: The present invention relates to a radiation detector (100) comprising: i) a substrate (110); ii) a sensor, which is coupled to the substrate, the sensor comprising a first array (120) of sensor pixels, a second array (130) of signal read-out elements, and an electronic circuitry which is configured to provide image data based on signals received from the signal read-out elements; iii) a transducer, which is coupled to the substrate and to the sensor, the transducer comprising a third array (140) of subpixels, wherein at least two subpixels are assigned to one sensor pixel; wherein the second array of signal read-out elements and the third array of subpixels correspond to each other; wherein each of the subpixels comprises a radiation conversion material.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: November 22, 2022
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Johannes Wilhelmus Maria Jacobs, Rolf Karl Otto Behling, Roger Steadman Booker, Gereon Vogtmeier, Onno Jan Wimmers
  • Patent number: 11454730
    Abstract: Provided is are a particle detection device and method of fabrication thereof. The particle detection device includes a scintillator array that includes a plurality of scintillator crystals; a plurality of detectors provided on a bottom end of the scintillator array; and a plurality of prismatoids provided on a top end of the scintillator array. Prismatoids of the plurality of prismatoids are configured to redirect particles between top ends of crystals of the scintillator array. Bottom ends of a first group of crystals of the scintillator array are configured to direct particles to a first detector of the plurality of detectors and bottom ends of a second group of crystals of the scintillator array are configured to direct particles to a second detector substantially adjacent to the first detector.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: September 27, 2022
    Inventors: Amirhossein Goldan, Andrew Labella, Wei Zhao
  • Patent number: 11448777
    Abstract: A method is provided for determining the dose rate {dot over (H)} of nuclear radiation field, namely a gamma radiation field, with a radiation detection system (RDS), comprising a scintillator, a photodetector, an amplifier and a pulse measurement electronics. The pulse measurement electronics includes a sampling analog to digital converter, where the nuclear radiation deposes at least some of its energy in the scintillator, thereby producing excited states in the scintillation material, with the excited states decaying thereafter under emission of photons with a decay time ?. Photons are absorbed by the photodetector under emission of electrons, those electrons forming a current pulse, said current pulse being amplified so that the resulting current signal can be processed further in order to determine the charge of the pulse measured.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: September 20, 2022
    Assignee: TARGET SYSTEMELEKTRONIK GMBH & CO. KG
    Inventor: Jürgen Stein
  • Patent number: 11428824
    Abstract: A scintillator module includes a substrate, a columnar scintillator crystal layer formed on the substrate, and a non-adhesive moisture-proof member having a given hardness and opposing a crystal growing side of the columnar scintillator crystal layer. The moisture-proof member ensures a void between the moisture-proof member and individual conic peak portions of columnar scintillator crystals forming the columnar scintillator crystal layer under vacuum sealing, and holds the columnar scintillator crystal layer in a moisture-proof state between a moisture-proof layer and the substrate.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: August 30, 2022
    Assignee: YMIT Co., Ltd.
    Inventors: Fumiaki Kunimoto, Satomi Onishi
  • Patent number: 11430826
    Abstract: A thin film transistor array substrate for a digital X-ray detector device includes a base substrate where a driving area and a non-driving area are defined; at least one readout circuit pad disposed in the non-driving area and electrically connected to the drive area; at least one readout circuit pad connection line electrically connecting the driving area to the at least one readout circuit pad; and at least one electrostatic induction line electrically connected to the at least one readout circuit pad connection line, wherein the at least one electrostatic induction line has a greater resistance than a resistance of the at least one readout circuit pad connection line.
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: August 30, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Minsuk Kong, Soyoung Kim, Moonsoo Kang, Jaeho Yoon
  • Patent number: 11398520
    Abstract: Disclosed are an X-ray detector, a method for manufacturing an X-ray detector and a medical equipment. The X-ray detector includes a scintillator (10); a photosensitive layer (80) including a photoelectric conversion layer (90) and a transparent conductive film (40) located between the scintillator (10) and the photoelectric conversion layer (90); the photoelectric conversion layer (90) being a uniform porous structure, and a pore of the photoelectric conversion layer being filled with a silicon particle (92); a signal reading device electrically connected to the photosensitive layer (80); and a light shielding member (30) corresponding to a position of an active layer (70) of the signal reading device to shield an incident light from the active layer (70).
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: July 26, 2022
    Assignee: HKC CORPORATION LIMITED
    Inventor: En-tsung Cho
  • Patent number: 11385361
    Abstract: Some embodiments include an electronic device. The electronic device includes a first scintillator layer, a transistor, and one or more device elements over the transistor, and the one or more device elements include a photodetector. Meanwhile, the first scintillator layer is monolithically integrated with at least one of the transistor or the one or more device elements. Other embodiments of related systems, devices, and methods are also disclosed.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: July 12, 2022
    Assignee: ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY
    Inventors: Xan Henderson, Michael Marrs
  • Patent number: 11373021
    Abstract: A simulation method includes setting a density of a conversion layer which is formed in a medium which has a thermal expansion layer which expands with heat and converts electromagnetic waves into heat, deriving a temperature of the conversion layer which is obtained in a case where the conversion layer which has the set density is irradiated with the electromagnetic waves, executing a simulation relating to heat conduction which takes place in a direction along a surface of the medium in the medium on the basis of a condition which is defined in accordance with the medium and correcting the derived temperature on the basis of a result of execution of the simulation, and deriving an expansion height up to which the medium expands in a case where the medium is heated at the corrected temperature.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: June 28, 2022
    Assignee: CASIO COMPUTER CO., LTD.
    Inventors: Takao Semba, Junji Hobo
  • Patent number: 11362132
    Abstract: According to an embodiment, a device comprises: a scintillator layer configured to convert x-ray or gamma ray photons into photons of visible light; a photodiode layer configured to convert visible light produced by the scintillator layer into an electric current; an integrated circuit, IC, layer situated below the photodiode layer and configured to receive and process the electric current; wherein electrical contacts of the IC layer are connected to electrical contacts of the photodiode layer using wire-bonding; and wherein the wire-bonding is covered with a protective material while bottom part of the IC layer is left at least partly exposed. Other embodiments relate to a detector comprising an array of tiles according to the device; and an imaging system comprising: an x-ray source and the detector.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: June 14, 2022
    Assignee: Detection Technology Oy
    Inventors: Petteri Heikkinen, Mikko Matikkala
  • Patent number: 11340109
    Abstract: A digital light detector includes a clock signal generator configured to generate a clock signal comprised of clock pulses generated at a predetermined frequency; a single-photon avalanche diode (SPAD) configured to turn on and generate an avalanche current in response to receiving a photon, the SPAD including an internal capacitor coupled internally between an anode terminal and an cathode terminal; and an active quenching-recharging circuit that is triggered by the clock signal. The active quenching-recharging circuit is configured to be activated and deactivated based on the clock signal, where the active quenching-recharging circuit is configured to recharge the internal capacitor on a condition the active quenching-recharging circuit is activated, and where the active quenching-recharging circuit is configured to discharge the internal capacitor on a condition the active quenching-recharging circuit is deactivated.
    Type: Grant
    Filed: May 6, 2020
    Date of Patent: May 24, 2022
    Inventors: Marcus Edward Hennecke, Boris Kirillov, Thomas Thurner
  • Patent number: 11329240
    Abstract: An infrared photodetector including a stack of layers on a substrate having an active area made of organic semiconductor materials capable of converting an infrared radiation into an electric signal and including, in said stack and/or on the substrate, a single layer at least partially filtering visible light.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: May 10, 2022
    Assignees: Commissariat à l'Énergie Atomique et aux Énergies Alternatives, ISORG
    Inventors: Alexandre Pereira, Cédric Ducros, Wilfrid Schwartz
  • Patent number: 11300690
    Abstract: The present invention describes a dosimetry system for use in an irradiation system for radiology or radiotherapy. The dosimetry system comprises an at least two dimensional, radioluminescent, irradiation detection surface comprising radiosensitive material, the radiosensitive material having radioluminescent properties. The system also comprises a detection system configured for detecting radioluminescent radiation from the at least two-dimensional detection surface upon irradiation with a radiology or radiotherapy irradiating beam. The detection system comprises a detector sensitive for radioluminescence and a filter for at least partially blocking radiation from said radiology or radiotherapy irradiating beam and ambient light.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: April 12, 2022
    Assignee: SCK-CEN
    Inventors: Luana De Freitas Nascimento, Filip Vanhavere, Lara Struelens, Mark Akselrod
  • Patent number: 11303835
    Abstract: Provided are a pixel array and an image sensor. The pixel array includes a plurality of pixels, which are arranged in a matrix form and which convert an optical signal into an electrical signal. The pixel array includes a first pixel arranged in a first row of the pixel array and a second pixel arranged in a second row of the pixel array, wherein each of the first pixel and the second pixel includes a first memory storing a digital reset value according to internal noise, the first memory of the first pixel stores m-bit data (where m is a natural number equal to or greater than 2), and the first memory of the second pixel stores n-bit data (where n is a natural number less than m).
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: April 12, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Myunglae Chu, Sungyong Kim, Seoksan Kim, Minwoong Seo, Jaekyu Lee, Jongyeon Lee, Junan Lee
  • Patent number: 11262461
    Abstract: A radiation detector includes a sensor substrate, a conversion layer, and a neutral stress plane adjustment member. The sensor substrate includes a flexible base member, and a layer provided on a first surface of the base member and formed with plural pixels configured to accumulate electrical charge generated in response to light converted from radiation. The conversion layer is provided on the opposite side of the layer formed with the plural pixels to the side where the base member is provided and is configured to convert radiation into the light. The neutral stress plane adjustment member is provided on a second surface side of the base member on the opposite side of the base member to the first surface and is configured to adjust a position of a neutral stress plane to within a predetermined range in a stacking direction.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: March 1, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Shinichi Ushikura, Haruyasu Nakatsugawa, Keiichi Akamatsu
  • Patent number: 11194064
    Abstract: An apparatus for providing in-situ radiation measurements within a density equivalent package is disclosed. The apparatus may include a radiation detector embedded within the density equivalent package that is configured to measure an amount of exposure of a phantom material of the density equivalent package to radiation emitted by an irradiation device. The phantom material may have density equivalence with an object or substance for which radiation exposure information is sought and the phantom material may serve as a substitute for the object or substance. A signal including the measurement of the amount of exposure of the phantom material to the radiation may be provided to a processor of the apparatus for processing. The processor may process the signal to interpret and provide additional information relating to the measurement and may provide the information to a device communicatively linked to the apparatus.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: December 7, 2021
    Assignee: Rad Source Technologies, Inc.
    Inventors: Justin Czerniawski, Steven Brett, Shane Jackson
  • Patent number: 11194063
    Abstract: Provided are an X-ray detector including a plurality of pixel driving micro integrated chips separately fabricated from a photodiode layer and printed on the photodiode layer and a method for manufacturing the X-ray detector. The X-ray detector may include a photodiode layer and a driver layer. The photodiode layer may include a plurality of photodiodes and be configured to receive X-ray that have passed through a target object and convert the received X-ray to electric signals. The driver layer may be formed on the photodiode layer and include a plurality of micro driving integrated chips each coupled to two or more photodiodes in the photodiode layer. The plurality of pixel driving integrated chips may be manufactured separately from the photodiode layer and printed on the photodiode layer using a micro-transfer printing method.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: December 7, 2021
    Assignees: RAYENCE Co., Ltd., VATECH EWOO Holdings Co., Ltd., Qpix solutions Inc.
    Inventors: Seungman Yun, Ho Seok Lee, Jin Woong Jeong
  • Patent number: 11187589
    Abstract: High-resolution thermopile infrared sensor array having a plurality of parallel signal processing channels for the signals of a sensor array and a digital port for serially emitting the signals. Each signal processing channel comprises at least one analog to digital converter and is assigned a memory for storing the results of the analog to digital converters. Power consumption of the infrared sensor array is reduced in the case of a sensor array with at least 16 rows and at least 16 columns, in that no more than 8 or 16 pixels are connected to a signal processing channel. The number of signal processing channels corresponds to at least 4 times the number of rows. Some of the signal processing channels are disposed in the intermediate space between the pixels and others are disposed in an outer edge region of the sensor chip surrounding the sensor array along with other electronics.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: November 30, 2021
    Assignee: Heimann Sensor GmbH
    Inventors: Jörg Schieferdecker, Bodo Forg, Michael Schnorr, Karlheinz Storck, Wilhelm Leneke, Marion Simon
  • Patent number: 11137504
    Abstract: The present approaches relate to the fabrication of non-rectangular (e.g., non-square) light imager panels having comparable active areas to rectangular light imager panels but manufactured using fewer c-Si wafers. Such light imager panels may be generally squircle shaped (e.g., a square or rectangle with one or more rounded corners and may be manufactured using conventional crystalline silicon (c-Si) wafers, such as 8? wafers.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: October 5, 2021
    Assignee: GENERAL ELECTRIC COMPANY
    Inventor: James Zhengshe Liu