-
公开(公告)号：US10539531B2
公开(公告)日：2020-01-21
申请号：US16376983
申请日：2019-04-05
Applicant: Nuctech Company Limited
Inventor： Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Ziran Zhao , Yinong Liu , Yaohong Liu , Huishao He , Qiufeng Ma , Weiping Zhu , Xiang Zou , Jianping Chang , Song Liang
IPC: H01J49/00 , G01N27/62 , H01J49/04 , G01N1/02 , G01N1/22 , G01N1/40 , G01N30/60 , G01N30/72 , G01N1/42
Abstract: A detection apparatus and a detection method are disclosed. In one aspect, the detection apparatus includes a sampling device for collecting samples to be checked. It further includes a sample pre-processing device configured to pre-process the sample from the sampling device. It further includes a sample analyzing device for separating samples from the pre-processing device and for analyzing the separated samples. The detection apparatus is miniaturized and highly precise, and is capable of quickly and accurately detecting gaseous phase or particulate substances, and it has applications for safety inspections at airports, ports, and subway stations.
-
132.发明授权公开(公告)号：US10510683B2
公开(公告)日：2019-12-17
申请号：US15718919
申请日：2017-09-28
Applicant: Tsinghua University , NUCTECH COMPANY LIMITED
Inventor： Wenjian Zhang , Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Ziran Zhao , Yinong Liu , Yaohong Liu , Xiang Zou , Huishao He , Shuwei Li , Nan Bai
IPC: H01L25/00 , H01L23/00 , H01L31/024 , H01L31/18 , H01L23/15 , H01L23/498 , H01L31/02 , H01L31/0203 , H01L27/146
Abstract: The present disclosure proposes a packaging structure for a metallic bonding based opto-electronic device and a manufacturing method thereof. According to the embodiments, the packaging structure for an opto-electronic device may comprise an opto-electronic chip and a packaging base. The opto-electronic chip comprises: a substrate having a first substrate surface and a second substrate surface opposite to each other; an opto-electronic device formed on the substrate; and electrodes for the opto-electronic device which are formed on the first substrate surface. The packaging base has a first base surface and a second base surface opposite to each other, and comprises conductive channels extending from the first base surface to the second base surface. The opto-electronic chip is stacked on the packaging base in such a manner that the first substrate surface faces the packaging base, and the electrodes formed on the first substrate surface of the opto-electronic chip are bonded with corresponding conductive channels in the packaging base.
-
公开(公告)号：US10509979B2
公开(公告)日：2019-12-17
申请号：US16255738
申请日：2019-01-23
Applicant: NUCTECH COMPANY LIMITED
Inventor： Zhiqiang Chen , Li Zhang , Ziran Zhao , Yaohong Liu , Duokun Zhang , Jianping Gu , Qiang Li , Jian Zhang
IPC: G06K9/32 , G01V5/00 , G01N23/046
Abstract: An inspection method and system for inspecting whether there is any liquor in goods is provided. The method includes: acquiring a radiation image of goods being inspected; processing on the radiation image to obtain an ROI; inspecting on the ROI using a liquor goods inspection model to determine if the ROI of the radiation image contains liquor goods. The above solution performs liquor inspection on scanned images of goods, especially containers, so as to intelligently assist the image inspectors.
-
公开(公告)号：US10458928B2
公开(公告)日：2019-10-29
申请号：US15578131
申请日：2016-05-19
Applicant: Nuctech Company Limited , Nuctech Jiangsu Company Limited
Inventor： Zhiqiang Chen , Wanlong Wu , Ziran Zhao , Guangwei Ding , Ming Ruan , Xilei Luo
IPC: G21K1/02 , G01N23/223 , G01N23/083 , G01N23/02
Abstract: Embodiments of the present disclosure provide a collimating device and a ray inspection device. The collimating device comprises: a beam guiding cylinder, a first collimator mounted at an inlet end of the beam guiding cylinder; a second collimator mounted an outlet end of the beam guiding cylinder; a beam guiding cylinder adjusting device disposed adjacent to the inlet of the beam guiding cylinder to adjust a direction of the beam guiding cylinder such that the first collimator is aligned with the first direction. The outlet end of the beam guiding cylinder is fixed to the frame and the second collimator is aligned with an object to be irradiated by a radiation beam, and the beam guiding cylinder is configured to have flexibility to allow the adjusting device to adjust a direction towards which the inlet end of the beam guiding cylinder is directed, in a direction transverse to the first direction.
-
公开(公告)号：US10446288B2
公开(公告)日：2019-10-15
申请号：US15578138
申请日：2016-07-12
Applicant: Nuctech Company Limited , Nuctech Jiangsu Company Limited
Inventor： Zhiqiang Chen , Yuanjing Li , Ziran Zhao , Wanlong Wu , Junli Li , Ming Ruan , Guangwei Ding
IPC: G21K1/02 , G01N23/223 , H05G1/02 , G21F3/00
Abstract: The present invention provides a ray beam guiding device for guiding a ray beam in a ray inspection apparatus. The ray beam guiding device is provided in a housing of the ray inspection apparatus, and two ends of the ray beam guiding device are connected to a front collimator and a rear collimator, respectively. The ray beam guiding device comprises a plurality of guiding walls and a guiding cavity surrounded by the guiding walls. The guiding wall is formed of a first material which is capable of absorbing rays or the first material is coated on an inside of the guiding wall, and the guiding cavity has a central axis extending in a direction from the rear collimator to the front collimator, and the ray beam guiding device further comprises at least one fin plate provided in the guiding cavity of the ray beam guiding device. The at least one fin plate is configured for blocking and/or absorbing scattered rays.
-
Patent Agency Ranking
公开(公告)号：US20190180398A1
公开(公告)日：2019-06-13
申请号：US16321251
申请日：2017-07-31
Applicant: Nuctech Company Limited
Inventor： Zhiqiang Chen , Ziran Zhao , Wanlong Wu , Yingkang Jin , Xianli Ding , Jiao Long , Zongjun Shen , Zheng Li
Abstract: A security inspection system and a method of configuring a security inspection device are provided. In an embodiment, the security inspection system may include: an identity information entry device configured to enter an identification of an inspected person; a parameter determination device configured to determine a parameter for performing a security inspection on the inspected person based on a security factor of the inspected person determined according to user data corresponding to the identification of the inspected person; and a security inspection device configured to perform the security inspection on the inspected person based on the determined parameter. According to embodiments, it is possible to accurately predict the user's behavior and evaluate the risk or potential danger from the user by analyzing and mining the user's comprehensive data, and thus to provide a more accurate security inspection solution.
-
公开(公告)号：US10276359B2
公开(公告)日：2019-04-30
申请号：US15832193
申请日：2017-12-05
Applicant: Nuctech Company Limited
Inventor： Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Yanchun Wang , Ziran Zhao , Xianghua Li , Qiufeng Ma , Ge Li , Biao Cao , Qi Mao , Xiang Zou
Abstract: The present disclosure provides an ion mobility spectrometer, which comprises: a power supply circuit, configured to provide a power supply voltage; a corona discharge configured to generate ions to be subjected to measurement, through corona discharge; an ion migration circuit configured to control migration of the ions; a migration zone structure configured to realize, under control of the ion migration circuit, mobility spectrum measurement of the ions which pass through the migration zone structure; a redundant charge extraction electrode arranged between the corona discharge structure and the migration zone structure, so that the ions which are generated by the corona discharge structure can pass therethrough to reach the migration zone structure; and a redundant charge extraction circuit, wherein the redundant charge extraction electrode is connected to the ground through the redundant charge extraction circuit.
-
公开(公告)号：US10229336B2
公开(公告)日：2019-03-12
申请号：US15129389
申请日：2015-12-23
Applicant: NUCTECH COMPANY LIMITED
Inventor： Zhiqiang Chen , Li Zhang , Ziran Zhao , Yaohong Liu , Duokun Zhang , Jianping Gu , Qiang Li , Jian Zhang
IPC: G01V5/00 , G06K9/32 , G01N23/046
Abstract: An inspection method and system for inspecting whether there is any liquor in goods is provided. The method includes: acquiring a radiation image of goods being inspected; processing on the radiation image to obtain an ROI; inspecting on the ROI using a liquor goods inspection model to determine if the ROI of the radiation image contains liquor goods. The above solution performs liquor inspection on scanned images of goods, especially containers, so as to intelligently assist the image inspectors.
-
公开(公告)号：US10175182B2
公开(公告)日：2019-01-08
申请号：US14979259
申请日：2015-12-22
Applicant: GRANDPECT COMPANY LIMITED , NUCTECH COMPANY LIMITED
Inventor： Yongshun Xiao , Zhiqiang Chen , Ming Chang , Ziran Zhao
IPC: G01N23/00 , G01N23/046 , G06T11/00
Abstract: A CT detection method is provided, comprising the steps of: (1) scanning circumferentially an object to be detected by means of X-ray according to a preset angle sampling value, which represents the number of sampling points in one circle, so as to obtain a group of projection sampling data in different projection angles, the preset angle sampling value being greater than 1000; (2) processing the projection sampling data so as to obtain projection data of a plurality of virtual sub-focuses equivalent to a large focus of radiation source in a CT system; and (3) implementing an image reconstruction according to the projection data of the plurality of virtual sub-focuses.
-
公开(公告)号：US20180308602A1
公开(公告)日：2018-10-25
申请号：US15578138
申请日：2016-07-12
Applicant: Nuctech Company Limited , Nuctech Jiangsu Company Limited
Inventor： Zhiqiang Chen , Yuanjing Li , Ziran Zhao , Wanlong Wu , Junli Li , Ming Ruan , Guangwei Ding
IPC: G21K1/02
Abstract: The present invention provides a ray beam guiding device for guiding a ray beam in a ray inspection apparatus. The ray beam guiding device is provided in a housing of the ray inspection apparatus, and two ends of the ray beam guiding device are connected to a front collimator and a rear collimator, respectively. The ray beam guiding device comprises a plurality of guiding walls and a guiding cavity surrounded by the guiding walls. The guiding wall is formed of a first material which is capable of absorbing rays or the first material is coated on an inside of the guiding wall, and the guiding cavity has a central axis extending in a direction from the rear collimator to the front collimator, and the ray beam guiding device further comprises at least one fin plate provided in the guiding cavity of the ray beam guiding device. The at least one fin plate is configured for blocking and/or absorbing scattered rays.
-
-
-
-
-
-
-
-
-
Search Results
201
records
(took 0.019 seconds)
