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11.发明申请SYSTEMS AND METHODS FOR MIMIMIZING SILICON PHOTOMULTIPLIER SIGNAL PROPAGATION DELAY DISPERSION AND IMPROVE TIMING 有权用于减少硅光电子信号传播延迟分散和改进时序的系统和方法公开(公告)号：US20160191829A1
公开(公告)日：2016-06-30
申请号：US14609193
申请日：2015-01-29
Applicant: General Electric Company
Inventor： Jianjun Guo , Sergei Ivanovich Dolinsky
CPC classification number: G01T1/248 , G01T1/2018 , G01T1/208
Abstract: A silicon photomultiplier array including a plurality of microcells arranged in subgroupings, each microcell of a respective subgrouping providing a pulse output in response to an incident radiation. Each microcell output interconnected by respective traces of equal length to either a summing node or an integrated buffer amplifier. Each respective summing node configured to sum the pulse outputs of a first subgroup of the microcell subgroupings, and each respective integrated buffer amplifier configured to sum the pulse outputs of each microcell of a second subgrouping, the respective integrated buffer amplifier located on the silicon photomultiplier array within the second subgroup of microcells. The plurality of microcells arranged in one of columns and rows, and a first group of the arranged plurality of microcells being a mirror image of a second group of the arranged plurality of microcells about a midpoint between one of the columns and rows.
Abstract translation: 一种硅光电倍增管阵列，其包括以子组排列的多个微单元，相应子组的每个微单元响应入射辐射提供脉冲输出。 每个微小区输出通过相等长度的相应迹线互相互相耦合到求和节点或集成缓冲放大器。 每个各个求和节点被配置为对微小区子组的第一子组的脉冲输出和每个相应的集成缓冲放大器进行求和，所述每个集成缓冲放大器被配置为对位于硅光电倍增管阵列上的第二子组的每个微小区的脉冲输出进行求和 在微细胞的第二亚组内。 布置在列和行之一中的多个微单元，并且布置的多个微单元中的第一组是排列的多个微单元的第二组的镜像，围绕其中一列和列之间的中点。
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公开(公告)号：US20140183339A1
公开(公告)日：2014-07-03
申请号：US13729761
申请日：2012-12-28
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Sergei Ivanovich Dolinsky
IPC: H01L27/144
CPC classification number: H01L27/144 , G01T1/2018 , G01T1/208
Abstract: Exemplary embodiments are directed to shaping a readout pulse from a solid state photomultiplier (SSPM). A readout pulse can be received from the SSPM at an input of a buffer amplifier. The readout pulse can have a discharge portion with a discharge rate and a recharge portion with a recharge rate. A magnitude of the readout pulse increasing for the discharge portion and decreasing for the recharge portion. A frequency dependent input impedance circuit can be employed in electrical communication with the input of the buffer amplifier to shape the discharge portion of the readout pulse.
Abstract translation: 示例性实施例涉及从固态光电倍增管（SSPM）形成读出脉冲。 可以在缓冲放大器的输入处从SSPM接收读出脉冲。 读出脉冲可以具有放电速率的放电部分和具有再充电速率的充电部分。 读出脉冲的大小对于放电部分而增加，并且对于再充电部分而言减小。 可以采用与频率相关的输入阻抗电路与缓冲放大器的输入端电连接，以形成读出脉冲的放电部分。
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公开(公告)号：US09753151B2
公开(公告)日：2017-09-05
申请号：US14815107
申请日：2015-07-31
Applicant: General Electric Company
Inventor： James Wilson Rose , David Leo McDaniel , Jianjun Guo , Sergei Ivanovich Dolinsky , Adrian Ivan
IPC: G01T1/20 , G01T1/208 , G01T1/29 , H01L27/146
CPC classification number: G01T1/2018 , G01T1/208 , G01T1/2985 , H01L27/14663 , H01L27/14685
Abstract: A photon detector having an optical transparent plate and photodiode array interconnected by an optical light guide array. The optical light guide array including elements providing a transmission line between the optical transparent plate and the photodiode array, where the position of one or more optical light guide elements is formed to adjust for a miss-registered photodiode individual element. A method for assembling the photon detector includes depositing a non-wetting film on opposing surfaces of the optical transparent plate and/or photodiode array, altering the deposited non-wetting film in regions of individual photodiode elements, dispensing an optical coupler adhesive on the optical transparent plate and photodiode array to form adhesive beads, aligning the opposing surfaces, assembling the opposing surfaces so that the corresponding optical coupler adhesive beads contact each other, and curing the optical coupler adhesive to form a structurally merged photon detector having optical light guide elements.
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公开(公告)号：US09720109B2
公开(公告)日：2017-08-01
申请号：US14609193
申请日：2015-01-29
Applicant: General Electric Company
Inventor： Jianjun Guo , Sergei Ivanovich Dolinsky
CPC classification number: G01T1/248 , G01T1/2018 , G01T1/208
Abstract: A silicon photomultiplier array including a plurality of microcells arranged in subgroupings, each microcell of a respective subgrouping providing a pulse output in response to an incident radiation. Each microcell output interconnected by respective traces of equal length to either a summing node or an integrated buffer amplifier. Each respective summing node configured to sum the pulse outputs of a first subgroup of the microcell subgroupings, and each respective integrated buffer amplifier configured to sum the pulse outputs of each microcell of a second subgrouping, the respective integrated buffer amplifier located on the silicon photomultiplier array within the second subgroup of microcells. The plurality of microcells arranged in one of columns and rows, and a first group of the arranged plurality of microcells being a mirror image of a second group of the arranged plurality of microcells about a midpoint between one of the columns and rows.
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公开(公告)号：US20160371419A1
公开(公告)日：2016-12-22
申请号：US14742307
申请日：2015-06-17
Applicant: General Electric Company
Inventor： Sergei Ivanovich Dolinsky , Chad Jacob Bircher
IPC: G06F17/50
CPC classification number: G06F17/5081 , G06F17/5063 , G06F2217/84
Abstract: A system and method for compensating signal delay across a solid state photomultiplier. The method including determining respective arrival times of signals from a plurality of microcells of the photomultiplier, calculating a signal transit time delay difference between the respective arrival times for individual signals, correlating the individual transit time delay differences to an amount of respective signal propagation compensation for respective microcells of the photomultiplier, and introducing the respective signal propagation compensation into circuitry of the respective microcells. The method also includes at least one of adjusting a response shape of a photodiode within each of the plurality of microcells, adjusting operating parameters of a one-shot pulse circuit within the microcells, and modifying circuit design values of each microcells during fabrication of the photomultiplier. A non-transitory computer readable medium and a system for implementing the method on a row, column, and/or individual microcell level are disclosed.
Abstract translation: 用于补偿固态光电倍增管的信号延迟的系统和方法。 该方法包括确定来自光电倍增器的多个微小区的信号的相应到达时间，计算各个信号的各个到达时间之间的信号传播时间延迟差，将各个传播时间延迟差与各个信号传播补偿量相关联， 光电倍增管的各个微单元，并将相应的信号传播补偿引入各个微单元的电路中。 该方法还包括调整多个微单元中的每一个中的光电二极管的响应形状中的至少一个，调整微单元内的单触发脉冲电路的操作参数，以及在光电倍增器制造期间修改每个微单元的电路设计值 。 公开了一种非暂时计算机可读介质和用于在行，列和/或单个微小区级上实现该方法的系统。
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Patent Agency Ranking
公开(公告)号：US20160358957A1
公开(公告)日：2016-12-08
申请号：US15077006
申请日：2016-03-22
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Jianjun Guo , Sergei Ivanovich Dolinsky , Jonathan David Short
IPC: H01L27/146 , H01L31/0352
CPC classification number: H01L27/14612 , H01L27/14663 , H01L31/035272
Abstract: Embodiments of a solid state photomultiplier are provided herein. In some embodiments, a solid state photomultiplier may include an epitaxial layer, a high voltage region formed in the epitaxial layer, a low voltage region formed in the epitaxial layer, and an intermediate region disposed between the high voltage region and low voltage region, wherein the high voltage region is electrically coupled to the low voltage region via the intermediate region, and wherein at least a portion of the epitaxial layer is disposed between the high voltage region and intermediate region and between the low voltage region and the intermediate region.
Abstract translation: 本文提供了固态光电倍增管的实施例。 在一些实施例中，固体光电倍增器可以包括外延层，在外延层中形成的高电压区域，形成在外延层中的低电压区域和设置在高电压区域和低电压区域之间的中间区域，其中 所述高电压区域经由所述中间区域电耦合到所述低电压区域，并且其中所述外延层的至少一部分设置在所述高压区域和中间区域之间以及所述低电压区域和所述中间区域之间。
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公开(公告)号：US20160231168A1
公开(公告)日：2016-08-11
申请号：US14615806
申请日：2015-02-06
Applicant: General Electric Company
Inventor： Jianjun Guo , Sergei Ivanovich Dolinsky
CPC classification number: G01J1/4228 , G01J1/44 , G01J2001/4466 , G01T1/248 , G01T1/2985
Abstract: A silicon photomultiplier array of microcells including a photon avalanche diode and an electronic circuit configured to provide a first one-shot pulse and a second one-shot pulse based on a detected current flowing through the photon avalanche diode. The microcells arranged in rows and columns with each microcell of a respective row connected to a respective row data bus connected to a row counter configured to count one or more first one-shot pulses for a predetermined time period, a pixel adder configured to sum the count, and a digital-to-analog converter connected to the pixel adder to convert sum to an analog signal representative of an energy readout. A timing logic circuit configured to provide a validation signal to a counter control logic circuit, and the counter control logic circuit configured to provide one of a start signal, a stop signal, and a reset signal to the row counter.
Abstract translation: 包括光子雪崩二极管和电子电路的微电池的硅光电倍增管阵列，被配置为基于流过光子雪崩二极管的检测电流提供第一单触发脉冲和第二单触发脉冲。 微电池以行和列排列，每行的每个微电池连接到连接到配置成在一个预定时间段内对一个或多个第一单触发脉冲进行计数的行计数器的相应行数据总线;像素加法器， 计数器和连接到像素加法器的数模转换器将和转换为表示能量读出的模拟信号。 定时逻辑电路，被配置为向计数器控制逻辑电路提供有效信号，并且所述计数器控制逻辑电路经配置以向所述行计数器提供起始信号，停止信号和复位信号中的一个。
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18.发明申请SYSTEM AND METHOD FOR COMPENSATING TEMPERATURE GAIN VARIATION IN RADIATION DETECTORS 有权用于补偿辐射检测器温度增益变化的系统和方法公开(公告)号：US20150177394A1
公开(公告)日：2015-06-25
申请号：US14136667
申请日：2013-12-20
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Sergei Ivanovich Dolinsky , David Leo McDaniel
Abstract: In accordance with the present approach, a dark current is measured for one or more detector elements and used to determine a gain or gain compensation for the respective detector elements. In certain embodiments, the dark current is used to determine a temperature for the respective detector element and the temperature is used to determine the gain or gain compensation. In other embodiments, the dark current is used to calculate the gain or gain compensation for the respective detector element without calculating an intermediate temperature value, such as via the use of a transfer function.
Abstract translation: 根据本方法，测量一个或多个检测器元件的暗电流，并用于确定各个检测器元件的增益或增益补偿。 在某些实施例中，暗电流用于确定相应检测器元件的温度，并且使用温度来确定增益或增益补偿。 在其他实施例中，暗电流用于计算相应检测器元件的增益或增益补偿，而不用例如通过使用传递函数来计算中间温度值。
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19.发明授权公开(公告)号：US10261201B2
公开(公告)日：2019-04-16
申请号：US15090156
申请日：2016-04-04
Applicant: General Electric Company
Abstract: A method for determining depth-of-interaction correction in a PET system. The method includes modifying crystal and readout configuration to improve depth-dependent arrival profile of scintillation photons, creating a photon dispersion model within a scintillator crystal, measuring photon arrival profile of individual gamma ray event, deriving an estimated depth-of-interaction, and deriving a gamma ray event time based on a time stamp corrected with the estimated depth-of-interaction. The method further includes modeling dispersion at different depths of interaction within the scintillator crystal, providing a reflector layer to delay back-reflected photons, providing two respective readouts for the same gamma ray event from two respective pixels optically coupled by a backside reflector or modified crystal configuration, calculating a time difference of the photon arrival at the two pixels, and estimating the depth-of-interaction by applying a statistical weighting.
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公开(公告)号：US09854231B2
公开(公告)日：2017-12-26
申请号：US14574836
申请日：2014-12-18
Applicant: General Electric Company
Inventor： Jianjun Guo , Sergei Ivanovich Dolinsky
CPC classification number: H04N17/002 , G01T1/2018 , G01T1/208 , G01T1/248 , H04N5/341
Abstract: A silicon photomultiplier includes a plurality of microcells providing a pulse output in response to an incident radiation, each microcell including circuitry configured to enable and disable the pulse output. Each microcell includes a cell disable switch. The control logic circuit controls the cell disable switch and a self-test circuit. A microcell's pulse output is disabled when the cell disable switch is in a first state. A method for self-test calibration of microcells includes providing a test enable signal to the microcells, integrating dark current for a predetermined time period, comparing the integrated dark current to a predetermined threshold level, and providing a signal if above the predetermined threshold level.
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