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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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1 US10670527B2
Biosensor
Publication/Patent Number: US10670527B2 Publication Date: 2020-06-02 Application Number: 15/309,303 Filing Date: 2015-09-14 Inventor: Cao, Peiyan   Liu yurun   Assignee: Shenzhen Genorivision Technology Co., Ltd.   IPC: G01N21/00 Abstract: Disclosed herein is an apparatus comprising: a probe carrier comprising: a substrate comprising with holes through a thickness of the substrate and a transparent window across an opening of each of the holes, wherein the transparent window closes the opening, wherein one or more locations on the transparent window are configured to have probes attached thereto, wherein interaction between the probes and an analyte generates a signal; an optical system comprising a plurality of collimators; a sensor configured to detect the signal; wherein the collimators can essentially prevent light from passing if a deviation of a propagation direction of the light from an optical axis of the collimators is greater than a threshold. Because the probe carrier is separate and independent from the microarray, the probe carrier may be assembled with a pre-existing microarray prior to its use, and be detached from the microarray and disposed after its use.
2 US2020152820A1
RADIATION DETECTOR AND A METHOD OF MAKING IT
Publication/Patent Number: US2020152820A1 Publication Date: 2020-05-14 Application Number: 16/742,803 Filing Date: 2020-01-14 Inventor: Cao, Peiyan   Liu yurun   Assignee: SHENZHEN XPECTVISION TECHNOLOGY CO., LTD.   IPC: H01L31/18 Abstract: Disclosed herein are a radiation detector and a method of making it. The radiation detector is configured to absorb radiation particles incident on a semiconductor single crystal of the radiation detector and to generate charge carriers.. The semiconductor single crystal may be a CdZnTe single crystal or a CdTe single crystal. The method may comprise forming a recess into a substrate of semiconductor; forming a semiconductor single crystal in the recess; and forming a heavily doped semiconductor region in the substrate. The semiconductor single crystal has a different composition from the substrate. The heavily doped region is in electrical contact with the semiconductor single crystal and embedded in a portion of intrinsic semiconductor of the substrate.
3 US2020161075A1
INTEGRATED X-RAY SOURCE
Publication/Patent Number: US2020161075A1 Publication Date: 2020-05-21 Application Number: 16/742,733 Filing Date: 2020-01-14 Inventor: Cao, Peiyan   Liu yurun   Assignee: SHENZHEN XPECTVISION TECHNOLOGY CO., LTD.   IPC: H01J35/06 Abstract: Disclosed herein is an X-ray source, comprising: a cathode in a recess of a first substrate; a counter electrode on a sidewall of the recess, configured to cause field emission of electrons from the cathode; and a metal anode configured to receive the electrons emitted from the cathode and to emit X-ray from impact by the electrons on the metal anode.
4 US2020249317A1
Light Scanner
Publication/Patent Number: US2020249317A1 Publication Date: 2020-08-06 Application Number: 16/857,620 Filing Date: 2020-04-24 Inventor: Cao, Peiyan   Liu yurun   Assignee: Shenzhen Genorivision Technology Co., Ltd.   IPC: G01S7/481 Abstract: Disclosed herein is an apparatus suitable for light scanning. The apparatus may comprise a light source, an optical device and a detector. The light source may be configured to generate a scanning light beam that diverges along a first dimension to illuminate a line along the first dimension in a target scene, and may be configured to scan the scanning light beam in a second dimension perpendicular to the first dimension. The optical device may be configured to converge return light waves reflected off of the target scene to generate converged return light waves. The detector may comprise a light receiving component. The light receiving component may be configured to receive the converged return light waves. The detector may be configure to detect the converged return light waves incident on the light receiving component.
5 US2020249366A1
RADIATION DETECTOR CAPABLE OF NOISE HANDLING
Publication/Patent Number: US2020249366A1 Publication Date: 2020-08-06 Application Number: 16/852,822 Filing Date: 2020-04-20 Inventor: Cao, Peiyan   Liu yurun   Assignee: SHENZHEN XPECTVISION TECHNOLOGY CO., LTD.   IPC: G01T1/24 Abstract: Disclosed herein is a radiation detector, comprising: an avalanche photodiode (APD) with a first side coupled to an electrode and configured to work in a linear mode; a capacitor module electrically connected to the electrode and comprising a capacitor, wherein the capacitor module is configured to collect charge carriers from the electrode onto the capacitor; a current sourcing module in parallel to the capacitor, the current sourcing module configured to compensate for a leakage current in the APD and comprising a current source and a modulator; wherein the current source is configured to output a first electrical current and a second electrical current; wherein the modulator is configured to control a ratio of a duration at which the current source outputs the first electrical current to a duration at which the current source outputs the second electrical current.
6 EP3613085A1
METHODS OF MAKING SEMICONDUCTOR RADIATION DETECTOR
Publication/Patent Number: EP3613085A1 Publication Date: 2020-02-26 Application Number: 17906435.7 Filing Date: 2017-04-21 Inventor: Cao, Peiyan   Liu yurun   Assignee: Shenzhen Xpectvision Technology Co., Ltd.   IPC: H01L31/08
7 EP3658033A1
SYSTEM WITH A SPATIALLY EXPANSIVE X-RAY SOURCE FOR X-RAY IMAGING
Publication/Patent Number: EP3658033A1 Publication Date: 2020-06-03 Application Number: 17918857.8 Filing Date: 2017-07-26 Inventor: Cao, Peiyan   Liu yurun   Assignee: Shenzhen Xpectvision Technology Co., Ltd.   IPC: A61B6/03
8 US2020003914A1
PORTABLE RADIATION DETECTOR SYSTEM
Publication/Patent Number: US2020003914A1 Publication Date: 2020-01-02 Application Number: 16/565,450 Filing Date: 2019-09-09 Inventor: Cao, Peiyan   Liu yurun   Assignee: SHENZHEN XPECTVISION TECHNOLOGY CO., LTD.   IPC: G01T1/24 Abstract: An apparatus for detecting radiation, comprising: a first radiation absorption layer configured to generate first electrical signals from a photon of the radiation absorbed by the first radiation absorption layer, wherein the first radiation absorption layer comprises a first electrode; an electronic system configured to process the first electrical signals; a counter configured to register a number of photons absorbed by the radiation absorption layer; a controller; the controller is configured to cause the number registered by the counter to increase by one; a power supply; and a communication interface configured for the electronic system to communicate with outside circuitry.
9 US2020150291A1
RADIATION DETECTOR WITH BUILT-IN DEPOLARIZATION DEVICE
Publication/Patent Number: US2020150291A1 Publication Date: 2020-05-14 Application Number: 16/742,814 Filing Date: 2020-01-14 Inventor: Cao, Peiyan   Liu yurun   Assignee: SHENZHEN XPECTVISION TECHNOLOGY CO., LTD.   IPC: G01T1/24 Abstract: Disclosed herein is a radiation detector configured to absorb radiation particles incident on a semiconductor single crystal of the radiation detector and to generate positive charge carriers and negative charge carriers in the semiconductor single crystal. The semiconductor single crystal may be a cadmium zinc telluride (CdZnTe) single crystal or a cadmium telluride (CdTe) single crystal. The radiation detector comprises a first electrical contact in electrical contact with the semiconductor single crystal and a second electrical contact surrounding the first electrical contact or the semiconductor single crystal. The first electrical contact is configured to collect the negative charge carriers. The second electrical contact is configured to cause the positive charge carriers to drift out of the semiconductor single crystal.
10 EP3658032A1
X-RAY IMAGING SYSTEM AND METHOD OF X-RAY IMAGE TRACKING
Publication/Patent Number: EP3658032A1 Publication Date: 2020-06-03 Application Number: 17918811.5 Filing Date: 2017-07-26 Inventor: Cao, Peiyan   Liu yurun   Assignee: Shenzhen Xpectvision Technology Co., Ltd.   IPC: A61B6/03
11 EP3658030A1
AN INTEGRATED X-RAY SOURCE
Publication/Patent Number: EP3658030A1 Publication Date: 2020-06-03 Application Number: 17919529.2 Filing Date: 2017-07-26 Inventor: Cao, Peiyan   Liu yurun   Assignee: Shenzhen Xpectvision Technology Co., Ltd.   IPC: A61B6/00
12 WO2020010590A1
IMAGE SENSORS WITH SILVER-NANOPARTICLE ELECTRODES
Publication/Patent Number: WO2020010590A1 Publication Date: 2020-01-16 Application Number: 2018095523 Filing Date: 2018-07-12 Inventor: Liu yurun   Cao, Peiyan   Assignee: SHENZHEN XPECTVISION TECHNOLOGY CO., LTD.   IPC: H01L31/107 Abstract: An apparatus comprising: an array of avalanche photodiodes (APDs) (350) or an absorption region (210, 310) comprising a semiconductor single crystal (406) such as a CdZnTe single crystal or a CdTe single crystal. The apparatus may be configured to absorb radiation particles incident on an absorption region (210, 310) of the APDs (350) or the semiconductor single crystal (406) and to generate charge carriers. The apparatus may comprise an electrode (301, 304, 419A, 419B, 501) comprising silver nanoparticles (322, 422, 522) and being electrically connected to the absorption region (210, 310) of the APDs (350) or the semiconductor single crystal (406). For the APDs (350), each of the APDs (350) may comprise an amplification region (220,320), which may comprise a junction (315) with an electric field in the junction (315). The electric field may be at a value sufficient to cause an avalanche of charge carriers entering the amplification region (220,320), but not sufficient to make the avalanche self-sustaining. The junctions (315) of the APDs (350) may be discrete.
13 WO2020010588A1
A LIGHT SCANNER
Publication/Patent Number: WO2020010588A1 Publication Date: 2020-01-16 Application Number: 2018095521 Filing Date: 2018-07-12 Inventor: Liu yurun   Cao, Peiyan   Assignee: SHENZHEN GENORIVISION TECHNOLOGY CO., LTD.   IPC: G02B26/10 Abstract: Disclosed herein is an apparatus suitable for light scanning (100). The apparatus (100) comprises a light source (102) and a photonic crystal (104). The light source (102) is configured to direct a light beam along an optical axis (105) toward the photonic crystal (104). The photonic crystal (104) is configured to direct the light beam along a direction at an angle relative to the optical axis (105). The angle is a function of wavelength of the light beam. The apparatus (100) may also comprise a partial toroid lens (106) configured to diverge the light beam received from the photonic crystal (104). The light source (102) of the apparatus (100) may be configured to change the wavelength continuously across a range of wavelengths.
14 EP3701311A1
A LIDAR LIGHT SOURCE
Publication/Patent Number: EP3701311A1 Publication Date: 2020-09-02 Application Number: 17930021.5 Filing Date: 2017-10-26 Inventor: Cao, Peiyan   Liu yurun   Assignee: Shenzhen Genorivision Technology Co. Ltd.   IPC: G02B26/10
15 EP3701287A1
A RADIATION DETECTOR CAPABLE OF NOISE HANDLING
Publication/Patent Number: EP3701287A1 Publication Date: 2020-09-02 Application Number: 17929572.0 Filing Date: 2017-10-26 Inventor: Cao, Peiyan   Liu yurun   Assignee: Shenzhen Xpectvision Technology Co., Ltd.   IPC: G01T1/16
16 EP3701291A1
X-RAY DETECTOR WITH COOLING SYSTEM
Publication/Patent Number: EP3701291A1 Publication Date: 2020-09-02 Application Number: 17929446.7 Filing Date: 2017-10-26 Inventor: Cao, Peiyan   Liu yurun   Assignee: Shenzhen Xpectvision Technology Co., Ltd.   IPC: G01T1/24
17 US10580630B2
Photomultiplier tube and method of making it
Publication/Patent Number: US10580630B2 Publication Date: 2020-03-03 Application Number: 16/285,571 Filing Date: 2019-02-26 Inventor: Cao, Peiyan   Liu yurun   Assignee: Shenzhen Genorivision Technology Co., Ltd.   IPC: H01J43/18 Abstract: Disclosed herein is a photomultiplier tube (PMT) comprising: an electron ejector configured for emitting primary electrons in response to an incident photon; a detector configured for collecting electrons and providing an output signal representative of the incident photon; and a series of electrodes between the electron ejector and the detector, wherein each of the electrodes is configured for emitting secondary electrons in response to incident electrons, and each of the electrodes includes a bi-metal arc-shaped sheet.
18 US10677942B2
X-ray detectors capable of managing charge sharing
Publication/Patent Number: US10677942B2 Publication Date: 2020-06-09 Application Number: 16/068,152 Filing Date: 2016-02-01 Inventor: Cao, Peiyan   Liu yurun   Assignee: SHENZHEN XPECTVISION TECHNOLOGY CO., LTD.   IPC: G01T1/29 Abstract: An apparatus suitable for detecting X-ray is disclosed. In one example, the apparatus comprises an X-ray absorption layer comprising a first pixel and a second pixel, and a controller. The controller is configured for determining that carriers generated by a single X-ray photon are collected by the first pixel and the second pixel. The controller is also configured for determining energy of the single X-ray photon based on a first voltage detected from the first pixel and a second voltage detected from the second pixel. The first voltage and the second voltage are caused by the single X-ray photon.
19 US2020150295A1
X-RAY DETECTOR CAPABLE OF MANAGING CHARGE SHARING AT ITS PERIPHERY
Publication/Patent Number: US2020150295A1 Publication Date: 2020-05-14 Application Number: 16/742,776 Filing Date: 2020-01-14 Inventor: Cao, Peiyan   Liu yurun   Assignee: SHENZHEN XPECTVISION TECHNOLOGY CO., LTD.   IPC: G01T1/29 Abstract: Disclosed herein is a detector, comprising: a plurality of pixels, a plurality of segments of guard ring, and a controller, is configured to count numbers of X-ray photons that incident on each pixel of the plurality, and whose energy falls in a plurality of bins, within a period of time. The controller, is configured to detect charge sharing between pixels and segments of guard ring. With charge sharing detected, the controller is also configured to disregard one single photon. With no charge sharing detected, the controller is configured to add the numbers of X-ray photons that incident on the all pixels, for the bins of the same energy range. The detector may compile all the added numbers as an energy spectrum of the incident X-ray photons thereon.
20 US2020256992A1
LIDAR DETECTOR WITH HIGH TIME RESOLUTION
Publication/Patent Number: US2020256992A1 Publication Date: 2020-08-13 Application Number: 16/857,653 Filing Date: 2020-04-24 Inventor: Cao, Peiyan   Liu yurun   Assignee: Shenzhen Genorivision Technology Co., Ltd.   IPC: G01S17/08 Abstract: Disclosed herein is a method and apparatus for determining time of arrival of incident photons. The time of arrival may be determined with high time accuracy based on the times a voltage across a capacitor being charged by charge carriers generated from the incident photons at which the voltage reaches a plurality of thresholds, respectively, and the stable value of the voltage.