Patents by Inventor Yigang Yang

Yigang Yang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11474051
    Abstract: The present disclosure provides a dual mode detection method, controller and system, which relates to the technical field of radiation detection. The dual mode detection method of the present disclosure includes: determining a ratio of neutron to X-ray differential cross sections of an inspected object, according to X-ray object detection data, X-ray object-free detection data, neutron object detection data, and neutron object-free detection data; determining a substance type of the inspected object according to a correspondence between the ratio of neutron to X-ray differential cross sections of the inspected object and the substance type.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: October 18, 2022
    Inventors: Yigang Yang, Xuewu Wang, Zhi Zhang, Yuanjing Li, Jianmin Li
  • Patent number: 11255846
    Abstract: The present invention provides a reagent mixing device, which comprises a driving device, a transport device and a rotating part, wherein the transport device comprises a conveying mechanism for conveying a reagent kit and a mixing mechanism for mixing a reagent; the conveying mechanism is driven by the driving device to move relative to the mixing mechanism; the rotating part and mixing mechanism are in transmission matching; the conveying mechanism and the mixing mechanism are sleeved with each other to form a bearing structure. The present invention further provides a reagent mixing method. The reagent mixing device is small in size, smart in structure, easy to assemble and low in manufacturing cost. The reagent mixing method provided by the present invention is simple and reliable, high in overall operation reliability, and has very high application values in such analysis and test fields as full-automatic chemiluminescence immunoassay analyzers and biochemical analyzers.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: February 22, 2022
    Assignee: Leadway (HK) Limited
    Inventors: Hao Zhang, Yigang Yang, Jianfei Zheng, Gang Wu
  • Publication number: 20220016621
    Abstract: Provided is a reaction cup, comprising cup walls and a cup bottom. The cup walls are provided with clamping portions, the clamping portions can allow a membrane strip to stand upright in the reaction cup, and the connecting area of the two opposite clamping portions forms an upright placement position for the membrane strip. The present invention further provides a molecular hybridization instrument used with the reaction cup, and an analyte testing method. The reaction cup can allow the membrane strip to stand upright therein, and can be opened for operation, thereby reducing the area occupied by the reaction cup on the molecular hybridization instrument, and reducing the area of the molecular hybridization instrument. A plurality of reaction cups can be placed on the molecular hybridization instrument at the same time, which increases the number of tests and improves the utilization and working efficiency of the molecular hybridization instrument.
    Type: Application
    Filed: November 28, 2019
    Publication date: January 20, 2022
    Applicant: LEADWAY (HK) LIMITED
    Inventors: Hao ZHANG, Liang SHI, Yigang YANG, Yan ZHAO, Zhiheng WANG, Xiufeng WANG, Zhihai WANG, Guochao MIAO, Xiaoheng XIE
  • Publication number: 20210333224
    Abstract: The present disclosure provides a dual mode detection method, controller and system, which relates to the technical field of radiation detection. The dual mode detection method of the present disclosure includes: determining a ratio of neutron to X-ray differential cross sections of an inspected object, according to X-ray object detection data, X-ray object-free detection data, neutron object detection data, and neutron object-free detection data; determining a substance type of the inspected object according to a correspondence between the ratio of neutron to X-ray differential cross sections of the inspected object and the substance type.
    Type: Application
    Filed: May 29, 2019
    Publication date: October 28, 2021
    Inventors: Yigang YANG, Xuewu WANG, Zhi ZHANG, Yuanjing LI, Jianmin LI
  • Patent number: 11090686
    Abstract: The present application relates to a method for coating boron, to a boron-containing resin solution, to a boron-coated thermal neutron converter obtained by the method for coating boron, and further to a thermal neutron detector comprising the boron-coated thermal neutron converter. The method for coating boron as provided in the application is applicable for various substrates and has small restrictions on substrate shapes, particularly for substrates having complex surface structures and high aspect ratios.
    Type: Grant
    Filed: May 5, 2019
    Date of Patent: August 17, 2021
    Inventors: Yigang Yang, Zhujun Fang, Yulan Li
  • Patent number: 10739491
    Abstract: The present disclosure discloses a radiation inspection system and a radiation inspection method. The radiation inspection system comprises a radiation source and a beam modulating device. The beam modulating device comprises a first collimating structure disposed at a beam exit side of the radiation source and a second collimating structure disposed at a beam exit side of the first collimating structure. The second collimating structure is movable relative to the first collimating structure to change a relative position of the first collimating port of the first collimating structure with the second collimating port of the second collimating structure, and the beam modulating device is shifted between a first operational state in which the beam modulating device modulates an initial beam into a fan beam, and a second operational state in which the beam modulating device modulates the initial beam into a pencil beam variable in position.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: August 11, 2020
    Assignees: TSINGHUA UNIVERSITY, NUCTECH COMPANY LIMITED
    Inventors: Yigang Yang, Dongyu Wang, Hao Yu, Quanwei Song, Jianmin Li, Weizhen Wang, Yulan Li, Chunguang Zong, Qinjian Zhang, Ming Zeng, Zhiqiang Chen, Yuanjing Li, Li Zhang
  • Patent number: 10732306
    Abstract: A slow neutron detection device is disclosed, comprising: a first slow neutron converter and a second slow neutron converter, and a readout electrode wire set and cathode wire sets arranged between the first slow neutron converter and the second slow neutron converter. By arranging a readout circuit between the two slow neutron converters, an electron drift distance is reduced by half without changing a dimension of the detection device, and an average over-threshold probability of a signal is increased.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: August 4, 2020
    Assignees: Nuctech Company Limited, Tsingchua University
    Inventors: Yigang Yang, Yuanjing Li, Zhujun Fang, Yulan Li
  • Publication number: 20200080993
    Abstract: The present invention provides a reagent mixing device, which comprises a driving device, a transport device and a rotating part, wherein the transport device comprises a conveying mechanism for conveying a reagent kit and a mixing mechanism for mixing a reagent; the conveying mechanism is driven by the driving device to move relative to the mixing mechanism; the rotating part and mixing mechanism are in transmission matching; the conveying mechanism and the mixing mechanism are sleeved with each other to form a bearing structure. The present invention further provides a reagent mixing method. The reagent mixing device is small in size, smart in structure, easy to assemble and low in manufacturing cost. The reagent mixing method provided by the present invention is simple and reliable, high in overall operation reliability, and has very high application values in such analysis and test fields as full-automatic chemiluminescence immunoassay analyzers and biochemical analyzers.
    Type: Application
    Filed: November 11, 2019
    Publication date: March 12, 2020
    Applicant: Leadway (HK) Limited
    Inventors: Hao ZHANG, Yigang YANG, Jianfei ZHENG, Gang WU
  • Publication number: 20200025968
    Abstract: The present disclosure discloses a radiation inspection system and a radiation inspection method. The radiation inspection system comprises a radiation source and a beam modulating device. The beam modulating device comprises a first collimating structure disposed at a beam exit side of the radiation source and a second collimating structure disposed at a beam exit side of the first collimating structure. The second collimating structure is movable relative to the first collimating structure to change a relative position of the first collimating port of the first collimating structure with the second collimating port of the second collimating structure, and the beam modulating device is shifted between a first operational state in which the beam modulating device modulates an initial beam into a fan beam, and a second operational state in which the beam modulating device modulates the initial beam into a pencil beam variable in position.
    Type: Application
    Filed: December 26, 2018
    Publication date: January 23, 2020
    Inventors: Yigang YANG, Dongyu Wang, Hao Yu, Quanwei Song, Jianmin Li, Weizhen Wang, Yulan Li, Chunguang Zong, Qinjian Zhang, Ming Zeng, Zhiqiang Chen, Yuanjing Li, Li Zhang
  • Publication number: 20190344308
    Abstract: The present application relates to a method for coating boron, to a boron-containing resin solution, to a boron-coated thermal neutron converter obtained by the method for coating boron, and further to a thermal neutron detector comprising the boron-coated thermal neutron converter. The method for coating boron as provided in the application is applicable for various substrates and has small restrictions on substrate shapes, particularly for substrates having complex surface structures and high aspect ratios.
    Type: Application
    Filed: May 5, 2019
    Publication date: November 14, 2019
    Inventors: Yigang YANG, Zhujun FANG, Yulan LI
  • Patent number: 10473650
    Abstract: The present invention provides a reagent mixing device, which comprises a driving device, a transport device and a rotating part, wherein the transport device comprises a conveying mechanism for conveying a reagent kit and a mixing mechanism for mixing a reagent; the conveying mechanism is driven by the driving device to move relative to the mixing mechanism; the rotating part and mixing mechanism are in transmission matching; the conveying mechanism and the mixing mechanism are sleeved with each other to form a bearing structure. The present invention further provides a reagent mixing method. The reagent mixing device is small in size, smart in structure, easy to assemble and low in manufacturing cost. The reagent mixing method provided by the present invention is simple and reliable, high in overall operation reliability, and has very high application values in such analysis and test fields as full-automatic chemiluminescence immunoassay analyzers and biochemical analyzers.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: November 12, 2019
    Assignee: LEADWAY (HK) LIMITED
    Inventors: Hao Zhang, Yigang Yang, Jianfei Zheng, Gang Wu
  • Publication number: 20190122781
    Abstract: The present disclosure discloses a photoneutron source and a neutron inspection system. The photoneutron source comprises: an electron accelerating tube for accelerating an electron beam; an X-ray converting target, and the electron beam accelerated by the electron accelerating tube bombards the X-ray converting target to generate X-rays; a photoneutron target, and the X-rays enters the photoneutron target to generates photoneutrons; and a neutron modulation housing provided outside the photoneutron target, and the neutron modulation housing comprises a neutron collimation port for outputting photoneutrons. The present disclosure may directly output a desired neutron beam from the neutron collimation port of the photoneutron source.
    Type: Application
    Filed: October 19, 2018
    Publication date: April 25, 2019
    Inventors: Yigang YANG, Jianmin LI, Dongyu WANG, Hao YU, Weizhen WANG, Weiqiang GUAN, Wei YIN, Wei LI, Quanwei SONG, Yulan LI, Chunguang ZONG, Yaohong LIU, Yuanjing LI, Zhiqiang CHEN, Li ZHANG
  • Patent number: 10126440
    Abstract: The present application, pertaining to the field of slow neutron detection, relates to a slow neutron converter and a slow neutron detector. The slow neutron converter includes a substrate, the substrate including a plurality of holes extending along a first direction and insulating walls between the plurality of holes, wherein the plurality of holes are through holes. The slow neutron converter further includes a boron layer at least covering an exposed surface of the plurality of holes. The slow neutron converter and the slow neutron detector having the slow neutron converter according to the present disclosure are capable of maintaining a high slow neutron detection efficiency. In addition, the manufacturing complexity and manufacturing cost of the detector are reduced, and thus the effective, convenient and low-cost slow neutron detection is achieved.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: November 13, 2018
    Assignees: TSINGHUA UNIVERSITY, NUCTECH COMPANY LIMITED
    Inventors: Yigang Yang, Yuanjing Li, Zhujun Fang, Yulan Li
  • Patent number: 10112781
    Abstract: Provided is a container autorotation device and method. The container autorotation device comprises a conveying rack used for conveying a plurality of containers, at least one container base connected therewith and comprising a container clamping end and a driving end, and a driving component used for driving the container base to autorotate and comprising a motor and a clamping part driven by the motor. A slot matched with the driving end is formed in the clamping part such that when the driving end moves into the slot and stay, the driving end is driven by the clamping part to rotate. The slot in the clamping part is designed so that the driving end is pushed against the slot when entering the slot and rotating in the slot. Autorotation is achieved with mutual cooperation between the clamping part and the driving end.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: October 30, 2018
    Assignee: LEADWAY (HK) LIMITED
    Inventors: Hao Zhang, Yigang Yang, Jianxiong Yang, Gang Wu
  • Publication number: 20180251319
    Abstract: Provided is a container autorotation device and method. The container autorotation device comprises a conveying rack used for conveying a plurality of containers, at least one container base connected therewith and comprising a container clamping end and a driving end, and a driving component used for driving the container base to autorotate and comprising a motor and a clamping part driven by the motor. A slot matched with the driving end is formed in the clamping part such that when the driving end moves into the slot and stay, the driving end is driven by the clamping part to rotate. The slot in the clamping part is designed so that the driving end is pushed against the slot when entering the slot and rotating in the slot. Autorotation is achieved with mutual cooperation between the clamping part and the driving end.
    Type: Application
    Filed: March 1, 2017
    Publication date: September 6, 2018
    Inventors: Hao ZHANG, Yigang YANG, Jianxiong YANG, Gang WU
  • Publication number: 20180252707
    Abstract: The present invention provides a reagent mixing device, which comprises a driving device, a transport device and a rotating part, wherein the transport device comprises a conveying mechanism for conveying a reagent kit and a mixing mechanism for mixing a reagent; the conveying mechanism is driven by the driving device to move relative to the mixing mechanism; the rotating part and mixing mechanism are in transmission matching; the conveying mechanism and the mixing mechanism are sleeved with each other to form a bearing structure. The present invention further provides a reagent mixing method. The reagent mixing device is small in size, smart in structure, easy to assemble and low in manufacturing cost. The reagent mixing method provided by the present invention is simple and reliable, high in overall operation reliability, and has very high application values in such analysis and test fields as full-automatic chemiluminescence immunoassay analyzers and biochemical analyzers.
    Type: Application
    Filed: March 1, 2017
    Publication date: September 6, 2018
    Inventors: Hao ZHANG, Yigang YANG, Jianfei ZHENG, Gang WU
  • Publication number: 20180084632
    Abstract: A neutron generation apparatus, a neutron imaging device and an imaging method are disclosed. The neutron imaging device includes a neutron generation apparatus for generating a continuous energy spectrum neutron beam; a neutron detector for receiving a neutron beam which penetrates an object being inspected to obtain an electrical signal; a data collection circuit coupled to the neutron detector, for converting the electrical signal into a digital signal; and a data processing apparatus coupled to the data acquisition circuit, for obtaining images of the object being inspected under neutrons of different energy spectrums based on the digital signal. The above technical solutions may be utilized to generate the continuous energy spectrum neutron beam so that the images of the object being inspected under the neutrons of different energy spectrums may be obtained by the time-of-flight method, improving sensitivity of the detection.
    Type: Application
    Filed: September 18, 2017
    Publication date: March 22, 2018
    Inventors: Yigang Yang, Yuanjing Li, Xuewu Wang, Zhi Zhang
  • Patent number: 9714906
    Abstract: Embodiments of the present invention disclose a nuclide identification method, a nuclide identification system, and a photoneutron emitter. The photoneutron emitter comprises: a pulsed electron accelerator configured for emitting electrons; and a photoneutron converting target configured to receive the electrons emitted by the pulsed electron accelerator and convert the electrons into photoneutrons. The photoneutron converting target has a volume of about 100 to about 8000 cm3, of about 100 to about 2500 cm3, or of about 785 cm3. These embodiments of the present invention can improve an accuracy of identification of a nuclide, and provide a practical photoneutron emitter, method and system for identifying a nuclide. Especially, these embodiments of the present invention can improve an accuracy of identification of a fissile nuclide such as 233U, 235U, and 239Pu, and provide a practical photoneutron emitter, method and system for identifying a fissile nuclide such as 233U, 235U, and 239Pu.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: July 25, 2017
    Assignees: TSINGHUA UNIVERSITY, NUCTECH COMPANY LIMITED
    Inventors: Zhiqiang Chen, Yigang Yang, Xuewu Wang, Qinjian Zhang, Huaibi Chen, Yuanjing Li
  • Publication number: 20170184735
    Abstract: The present application, pertaining to the field of slow neutron detection, relates to a slow neutron converter and a slow neutron detector. The slow neutron converter includes a substrate, the substrate including a plurality of holes extending along a first direction and insulating walls between the plurality of holes, wherein the plurality of holes are through holes. The slow neutron converter further includes a boron layer at least covering an exposed surface of the plurality of holes. The slow neutron converter and the slow neutron detector having the slow neutron converter according to the present disclosure are capable of maintaining a high slow neutron detection efficiency. In addition, the manufacturing complexity and manufacturing cost of the detector are reduced, and thus the effective, convenient and low-cost slow neutron detection is achieved.
    Type: Application
    Filed: September 29, 2016
    Publication date: June 29, 2017
    Inventors: Yigang YANG, Yuanjing LI, Zhujun FANG, Yulan LI
  • Publication number: 20160091440
    Abstract: The application relates to a method and device for imaging an object through photoneutron transmission. The method uses photoneutron rays to transmit the object, and comprises the following steps: emitting photoneutron rays by a photoneutron source to irradiate on the object; receiving the photoneutron rays from the photoneutron source by a detector; and imaging the object based on the photoneutron rays received by the detector; wherein the detector can slow down and absorb the photoneutrons, and wherein the incidence direction of the photoneutron rays from the photoneutron source and the normal direction of the detector surface form an angle ranging from 60 degrees to 87 degrees, or from about 60 degrees to about 87 degrees.
    Type: Application
    Filed: September 25, 2015
    Publication date: March 31, 2016
    Inventors: Yigang YANG, Qinjian Zhang, Yuanjing Li, Zhi Zhang