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    CHARGE SHARING CORRECTION METHODS FOR PIXELLATED RADIATION DETECTOR ARRAYS
    2.
    发明申请
    CHARGE SHARING CORRECTION METHODS FOR PIXELLATED RADIATION DETECTOR ARRAYS 审中-公开

    公开(公告)号：US20200150297A1

    公开(公告)日：2020-05-14

    申请号：US16185963

    申请日：2018-11-09

    Applicant: REDLEN TECHNOLOGIES, INC.

    Inventor： Krzysztof INIEWSKI ,  Conny HANSSON ,  Robert CRESTANI ,  Glenn BINDLEY

    IPC: G01T7/00 ,  G01T1/208

    Abstract: Various aspects include methods of compensating for issues caused by charge sharing between pixels in pixel radiation detectors. Various aspects may include measuring radiation energy spectra with circuitry capable of registering detection events occurring simultaneous or coincident in two or more pixels, adjusting energy measurements of simultaneous-multi-pixel detection events by a charge sharing correction factor, and determining a corrected energy spectrum by adding the adjusted energy measurements of simultaneous-multi-pixel detection events to energy spectra of detection events occurring in single pixels. Adjusting energy measurements of simultaneous-multi-pixel detection events may include multiplying measured energies of simultaneous-multi-pixel detection events by a factor of one plus the charge sharing correction factor.

    CHARGE SHARING CORRECTION METHODS FOR SUB-PIXELLATED RADIATION DETECTOR ARRAYS
    4.
    发明申请
    CHARGE SHARING CORRECTION METHODS FOR SUB-PIXELLATED RADIATION DETECTOR ARRAYS 有权

    公开(公告)号：US20210063589A1

    公开(公告)日：2021-03-04

    申请号：US16998676

    申请日：2020-08-20

    Applicant: REDLEN TECHNOLOGIES, INC.

    Inventor： Krzysztof INIEWSKI ,  Saeid TAHERION ,  Conny HANSSON ,  Robert CRESTANI ,  Glenn BINDLEY

    IPC: G01T7/00 ,  G01T1/24

    Abstract: Various aspects include methods of compensating for issues caused by charge sharing between pixels in pixel radiation detectors. Various aspects may include measuring radiation energy spectra with circuitry capable of registering detection events occurring simultaneous or coincident in two or more pixels, adjusting energy measurements of simultaneous-multi-pixel detection events by a charge sharing correction factor, and determining a corrected energy spectrum by adding the adjusted energy measurements of simultaneous-multi-pixel detection events to energy spectra of detection events occurring in single pixels. Adjusting energy measurements of simultaneous-multi-pixel detection events may include multiplying measured energies of simultaneous-multi-pixel detection events by a factor of one plus the charge sharing correction factor.

    COMPTON SCATTERING CORRECTION METHODS FOR PIXELLATED RADIATION DETECTOR ARRAYS
    5.
    发明申请
    COMPTON SCATTERING CORRECTION METHODS FOR PIXELLATED RADIATION DETECTOR ARRAYS 审中-公开

    公开(公告)号：US20200367839A1

    公开(公告)日：2020-11-26

    申请号：US16875133

    申请日：2020-05-15

    Applicant: REDLEN TECHNOLOGIES, INC.

    Inventor： Krzysztof INIEWSKI ,  Saeid TAHERION ,  Glenn BINDLEY

    IPC: A61B6/03 ,  G01N23/20066 ,  G01N23/046 ,  A61B6/00 ,  G01T1/164

    Abstract: Various aspects include methods compensating for Compton scattering effects in pixel radiation detectors. Various aspects may include determining whether gamma ray detection events occurred in two or more detector pixels within an event frame, determining whether the detection events occurred in detector pixels within a threshold distance of each other in response to determining that detection events occurred in two or more detector pixels within the event frame, and recording the two or more detection events as a single detection event having an energy equal to the sum of the measured energies of the two or more detection events located in the detector pixel having a highest measured energy in response to determining that the detection events occurred in detector pixels within the threshold distance of each other.

    DIRECT ATTACH RADIATION DETECTOR STRUCTURES INCLUDING PIXELATED SENSORS AND READ-OUT CIRCUITRY HAVING VARYING PITCH
    6.
    发明申请
    DIRECT ATTACH RADIATION DETECTOR STRUCTURES INCLUDING PIXELATED SENSORS AND READ-OUT CIRCUITRY HAVING VARYING PITCH 有权

    公开(公告)号：US20240377544A1

    公开(公告)日：2024-11-14

    申请号：US18612288

    申请日：2024-03-21

    Applicant: REDLEN TECHNOLOGIES, INC.

    Inventor： Glenn BINDLEY ,  Krzysztof INIEWSKI ,  Michael AYUKAWA

    IPC: G01T1/29 ,  G01T1/24

    Abstract: Direct attach radiation detector structures include an application specific integrated circuit (ASIC) including an array of unit cells including signal processing channel circuitry and at least one radiation sensor including an array of pixel detectors located over a front surface of the ASIC. In various embodiments, an ASIC having a fixed layout of unit cells may accommodate different radiation sensors having varying layouts of pixel detectors. In some embodiments, a redistribution layer on the front surface of the ASIC may route detection signals from pixel detectors to the corresponding unit cells. Alternatively, or in addition, a subset of the unit cells of the ASIC may be active unit cells that are electrically coupled to a pixel detector. The remaining unit cells may be inactive unit cells that may be powered down.

    SUB-PIXEL SEGMENTATION FOR SEMICONDUCTOR RADIATION DETECTORS AND METHODS OF FABRICATING THEREOF
    8.
    发明申请
    SUB-PIXEL SEGMENTATION FOR SEMICONDUCTOR RADIATION DETECTORS AND METHODS OF FABRICATING THEREOF 审中-公开

    公开(公告)号：US20170322319A1

    公开(公告)日：2017-11-09

    申请号：US15144861

    申请日：2016-05-03

    Applicant: REDLEN TECHNOLOGIES, INC.

    Inventor： Kris INIEWSKI ,  Glenn BINDLEY

    IPC: G01T1/17 ,  G01T1/24

    CPC classification number: G01T1/24 ,  G01T1/171

    Abstract: Various embodiments described herein may include a detector array for a CT imaging system. The detector array includes a pixel array in which each pair of adjacent pixels in the pixel array may be separated by a collimator (e.g., located between each row and column of the pixel array) that absorbs photons and each pixel in the pixel array includes a sub-pixel array. The collimator absorbs photons that strike at a boundary between adjacent pixels. Each sub-pixel may have an anode that is connected to an ASIC channel When a sub-pixel in a pixel detects a photon, signals of a plurality of sub-pixels in the pixel are automatically summed, including the sub-pixel that detected the photon.

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