Patents by Inventor Junli Li

Junli Li 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: 10312371
    Abstract: A method of forming a vertical fin field effect transistor (vertical finFET) with a self-aligned shallow trench isolation region, including forming a pinch-off layer on one or more vertical fin segments, wherein the pinch-off layer has a thickness on the sidewalls of the one or more vertical fin segments, forming a trench mask layer on predetermined portions of the pinch-off layer, removing portions of the pinch-off layer not covered by the trench mask layer, where the removed portions of the pinch-off layer exposes underlying portions of the substrate, and removing at least a portion of the substrate to form one or more isolation region trenches, where the distance of the sidewall of one of the one or more isolation region trenches to an adjacent vertical fin segment is determined by the thickness of the pinch-off layer.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: June 4, 2019
    Assignee: International Business Machines Corporation
    Inventors: Brent A. Anderson, Fee Li Lie, Junli Wang
  • Publication number: 20180308602
    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.
    Type: Application
    Filed: July 12, 2016
    Publication date: October 25, 2018
    Inventors: Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Wanlong Wu, Junli Li, Ming Ruan, Guangwei Ding
  • Patent number: 10031261
    Abstract: The disclosure provides a method for measuring X-ray energy of an accelerator in an inspection system. the method comprises: building a database comprising correspondence between half-value layer (HVL) and energy under a predetermined condition; measuring HVL for X-rays of the accelerator in the inspection system on line under the same predetermined condition; and comparing the measured HVL with the HVLs in the database comprising correspondence between HVL and energy to determine the X-ray energy of the accelerator. The method is applicable to a large-scale container/vehicle inspection system for measurement of X-ray energy/HVL of the accelerator so as to acquire source state of the inspection system in real time.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: July 24, 2018
    Assignees: TSINGHUA UNIVERSITY, NUCTECH COMPANY LIMITED
    Inventors: Yanli Deng, Qitian Miao, Junli Li, Guoping Zhu, Weiqiang Guan, Yuxin Hu, Shenjin Ming, Ming Huang
  • Publication number: 20180160997
    Abstract: There are disclosed a collimator, a radiation emitting assembly and an inspection apparatus. The collimator is configured to collimate radiation from a radiation emitter. One of the collimator and the radiation emitter is provided with a protrusion portion and the other is provided with a recess portion such that the protrusion portion is capable of being placed within the recess portion and the radiation emitter and the collimator are allowed to be arranged close to and connected with each other, and that the radiation passes through passages in the protrusion portion and the recess portion from the radiation emitter to the collimator.
    Type: Application
    Filed: November 30, 2017
    Publication date: June 14, 2018
    Inventors: Guoping Zhu, Qitian Miao, Junli Li, Xiaoli Zhang
  • Publication number: 20180156741
    Abstract: Inspection devices and inspection methods are disclosed. The inspection method includes: performing X-ray scanning on an object being inspected so as to generate an image of the object being inspected; dividing the image of the object being inspected to determine at least one region of interest; detecting interaction between a cosmic ray and the region of interest to obtain a detection value; calculating a scattering characteristic value and/or an absorption characteristic value of the cosmic ray in the region of interest based on size information of the region of interest and the detection value; and discriminating a material attribute of the region of interest by means of the scattering characteristic value and/or the absorption characteristic value. With the above technical solutions, inspection accuracy and inspection efficiency may be improved.
    Type: Application
    Filed: September 27, 2017
    Publication date: June 7, 2018
    Inventors: Kejun Kang, Jianping Cheng, Zhiqiang Chen, Ziran Zhao, Junli Li, Xuewu Wang, Zhi Zeng, Ming Zeng, Yi Wang, Qingjun Zhang, Jianping Gu, Xi Yi, Bicheng Liu, Guangming Xu, Yongqiang Wang
  • Patent number: 9976010
    Abstract: Disclosed is a process to produce a hypophosphite salt defined as [C+ hypophosphite?] by reacting P4 with a hydroxide salt defined as [C+OH?], or a hydroxide salt precursor and a catalyst, wherein C+ is the cationic moiety of [C+ hypophosphite?] salt.
    Type: Grant
    Filed: April 6, 2012
    Date of Patent: May 22, 2018
    Assignee: Rhodia Operations
    Inventors: Pascal Metivier, Junli Li, Anne Mu
  • Patent number: 9910184
    Abstract: The present disclosure discloses an alignment system and an alignment method for a container or vehicle inspection system, and an inspection system. The inspection system comprises comprising an ray source, a collimator, a detector arm and a detector module mounted on a detector arm, the ray source, the collimator and the detector module are arranged to form an inspection passage, a ray beam emitted from the ray source passes through collimator and irradiates onto an inspected object, and an attenuated ray beam is collected by the detector module so as to complete inspection. The alignment system comprises a measuring module arranged to receive the ray beam emitted from the collimator and to measure the ray beam so as to determine positions and orientations of the ray source and the collimator. With the alignment method, alignment between a center point of the ray source, a central line of a detector tip and a central line of the collimator may be more accurately measured.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: March 6, 2018
    Assignees: Tsinghua University, Nuctech Company Limited
    Inventors: Jianmin Li, Yulan Li, Yuanjing Li, Hao Yu, Chunguang Zong, Jingyu Gu, Weifeng Yu, Quanwei Song, Weizhen Wang, Shangmin Sun, Yinong Liu, Junli Li, Chuanxiang Tang
  • Publication number: 20180006213
    Abstract: The present invention relates to a memory device including a substrate and a lower electrode, buffer layer, seed layer, Magnetic Tunnel Junction (MTJ), capping layer, synthetic exchange diamagnetic layer, and upper electrode formed on the substrate.
    Type: Application
    Filed: September 18, 2017
    Publication date: January 4, 2018
    Applicant: Industry-University Cooperation Foundation Hanyang University
    Inventors: Jea Gun PARK, Du Yeong LEE, Song Hwa HONG, Jin Young CHOI, Seung Eun LEE, Junli LI
  • Patent number: 9823382
    Abstract: A vehicle mounted mobile container or vehicle inspection system, including: a radiation source, a movable vehicle for carrying the inspection system, and a detector arm rack which has a horizontal arm and a vertical arm, a first end of the horizontal arm is connected to the vehicle and a second end thereof is connected to an end of the vertical arm. The horizontal arm and the vertical arm are connected by a pivotal connecting device such that the vertical arm may pivot in a vertical plane, and the horizontal arm and the vertical arm may be retracted in a same horizontal plane. The novel arm rack construction may reduce the space occupied by it on top of the scanning vehicle after the arm rack is stowed so as to reduce the eight of the scanning vehicle under running condition.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: November 21, 2017
    Assignee: NUCTECH COMPANY LIMITED
    Inventors: Jianmin Li, Yulan Li, Jingyu Gu, Yuanjing Li, Quanwei Song, Weizhen Wang, Dongyu Wang, Zhiqiang Chen, Chaunxiang Tang, Yinong Liu, Junli Li, Tao Xue, Hui Gong, Xuewu Wang
  • Publication number: 20170329039
    Abstract: The present disclosure relates to a method, a device and a system for inspecting a moving object based on cosmic rays, pertaining to the field of radiation imaging and safety inspection techniques. The method includes: detecting whether a speed of the inspected moving object is within a preset range; recording a motion trajectory of the moving object with a monitoring device; acquiring information about charged particles in the cosmic rays with a position sensitive detector, the information about charged particles including track information of the charged particles; determining the moving object by matching positions of the motion trajectory and the track information; reconstructing the track of the charged particles according to the information about the charged particles; and recognizing the material inside the moving object based on the track reconstruction.
    Type: Application
    Filed: January 20, 2017
    Publication date: November 16, 2017
    Inventors: Kejun KANG, Jianping CHENG, Zhiqiang CHEN, Ziran ZHAO, Junli LI, Xuewu WANG, Zhi ZENG, Qingjun ZHANG, Jianping GU, Xi YI, Bicheng LIU, Guangming XU, Yongqiang WANG
  • Publication number: 20170329038
    Abstract: The present application relates to a method, apparatus and system for inspecting an object based on a cosmic ray, pertaining to the technical field of radiometric imaging and safety inspection. The method includes: recording a movement trajectory of an inspected object by using a monitoring device; acquiring information of charged particles in the cosmic ray by using a position-sensitive detector, the information of charged particles comprising trajectory information of the charged particles; performing position coincidence for the movement trajectory and the trajectory information to determine the object; performing trajectory remodeling for the charged particles according to the information of charged particles; and identifying a material inside the moving object according to the trajectory remodeling.
    Type: Application
    Filed: January 20, 2017
    Publication date: November 16, 2017
    Inventors: Kejun KANG, Zhiqiang CHEN, Yuanjing LI, Ziran ZHAO, Junli LI, Xuewu WANG, Yaohong LIU, Zhi ZENG, Jianping GU, Song LIANG, Bicheng LIU, Guangming XU, Yongqiang WANG
  • Patent number: 9685247
    Abstract: A radiation protection device is disclosed in the embodiment of the present invention. The radiation protection device is used for a system which is configured to perform safety inspection of a cargo or a vehicle by a ray. The radiation protection device comprising: at least one container, and a radiation protection part disposed within the container. The radiation protection material may comprise at least one of concrete, sandstone, and water, or the radiation protection part may comprise a steel-lead protection wall or a concrete protection wall. With the radiation protection device according to the embodiment of the present invention, after the container is transported to the site, it can be directly put in place to be capable of shielding rays without needing operation or with only simple operation. The amount of on-site work, construction time, and construction cost are low.
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: June 20, 2017
    Assignees: Tsinghua University, Nuctech Company Limited
    Inventors: Kejun Kang, Yuanjing Li, Ying Li, Jianmin Li, Junli Li, Yanli Deng
  • Publication number: 20160178795
    Abstract: The disclosure provides a method for measuring X-ray energy of an accelerator in an inspection system. the method comprises: building a database comprising correspondence between half-value layer (HVL) and energy under a predetermined condition; measuring HVL for X-rays of the accelerator in the inspection system on line under the same predetermined condition; and comparing the measured HVL with the HVLs in the database comprising correspondence between HVL and energy to determine the X-ray energy of the accelerator. The method is applicable to a large-scale container/vehicle inspection system for measurement of X-ray energy/HVL of the accelerator so as to acquire source state of the inspection system in real time.
    Type: Application
    Filed: December 18, 2015
    Publication date: June 23, 2016
    Inventors: Yanli DENG, Qitian MIAO, Junli LI, Guoping ZHU, Weiqiang GUAN, Yuxin HU, Shenjin MING, Ming HUANG
  • Publication number: 20160170073
    Abstract: A vehicle mounted mobile container or vehicle inspection system, including: a radiation source, a movable vehicle for carrying the inspection system, and a detector arm rack which has a horizontal arm and a vertical arm, a first end of the horizontal arm is connected to the vehicle and a second end thereof is connected to an end of the vertical arm. The horizontal arm and the vertical arm are connected by a pivotal connecting device such that the vertical arm may pivot in a vertical plane, and the horizontal arm and the vertical arm may be retracted in a same horizontal plane. The novel arm rack construction may reduce the space occupied by it on top of the scanning vehicle after the arm rack is stowed so as to reduce the eight of the scanning vehicle under running condition.
    Type: Application
    Filed: December 10, 2015
    Publication date: June 16, 2016
    Inventors: Jianmin LI, Yulan LI, Jingyu GU, Yuanjing LI, Quanwei SONG, Weizhen WANG, Dongyu WANG, Zhiqiang CHEN, Chaunxiang TANG, Yinong LIU, Junli LI, Tao XUE, Hui Gong, Xuewu WANG
  • Publication number: 20160170074
    Abstract: The present disclosure discloses an alignment system and an alignment method for a container or vehicle inspection system, and an inspection system. The inspection system comprises comprising an ray source, a collimator, a detector arm and a detector module mounted on a detector arm, the ray source, the collimator and the detector module are arranged to form an inspection passage, a ray beam emitted from the ray source passes through collimator and irradiates onto an inspected object, and an attenuated ray beam is collected by the detector module so as to complete inspection. The alignment system comprises a measuring module arranged to receive the ray beam emitted from the collimator and to measure the ray beam so as to determine positions and orientations of the ray source and the collimator. With the alignment method, alignment between a center point of the ray source, a central line of a detector tip and a central line of the collimator may be more accurately measured.
    Type: Application
    Filed: December 11, 2015
    Publication date: June 16, 2016
    Inventors: Jianmin LI, Yulan LI, Yuanjing LI, Hao YU, Chunguang ZONG, Jingyu GU, Weifeng YU, Quanwei SONG, Weizhen WANG, Shangmin SUN, Yinong LIU, Junli LI, Chuanxiang TANG
  • Publication number: 20150218347
    Abstract: The instant invention relates to polymer compositions comprising a calcium hypophosphite, an aluminium inorganic salt and an additive improving the flame retardant properties of the composition other than the hypophosphite salts.
    Type: Application
    Filed: March 20, 2012
    Publication date: August 6, 2015
    Inventors: Hao Zheng, Junli Li, Yajuan Gao, Yong Yang, Qiang Xing
  • Publication number: 20150065626
    Abstract: Disclosed is a process to produce a hypophosphite salt defined as [C+ hypophosphite?] by reacting P4 with a hydroxide salt defined as [C+OH?], or a hydroxide salt precursor and a catalyst, wherein C+ is the cationic moiety of [C+ hypophosphite?] salt.
    Type: Application
    Filed: April 6, 2012
    Publication date: March 5, 2015
    Applicant: RHODIA OPERATIONS
    Inventors: Pascal Metivier, Junli Li, Anne Mu
  • Publication number: 20150048263
    Abstract: A radiation protection device is disclosed in the embodiment of the present invention. The radiation protection device is used for a system which is configured to perform safety inspection of a cargo or a vehicle by a ray. The radiation protection device comprising: at least one container, and a radiation protection part disposed within the container. The radiation protection material may comprise at least one of concrete, sandstone, and water, or the radiation protection part may comprise a steel-lead protection wall or a concrete protection wall. With the radiation protection device according to the embodiment of the present invention, after the container is transported to the site, it can be directly put in place to be capable of shielding rays without needing operation or with only simple operation. The amount of on-site work, construction time, and construction cost are low.
    Type: Application
    Filed: August 14, 2014
    Publication date: February 19, 2015
    Inventors: Kejun KANG, Yuanjing LI, Ying LI, Jianmin LI, Junli LI, Yanli DENG
  • Patent number: 8940820
    Abstract: A process for stabilizing hypophosphite salt is provided, which comprises the following steps: a) washing the hypophosphite salt at least one time under a controlled pH value of 4-11, preferably 5-8, as the said hypophosphite salt in an aqueous solution and/or in a solid state; and b) drying the said hypophosphite salt under reduced pressure to remove the volatiles. The process can prevent or minimize the formation of a dangerous quantity of phosphine from hypophosphite salts, more particularly in the flame retardant of the application. The flame retardant polymer composition is also provided, which comprises a polymer and the hypophosphite salt stabilized by the above process.
    Type: Grant
    Filed: October 23, 2009
    Date of Patent: January 27, 2015
    Assignee: Rhodia (China) Co., Ltd.
    Inventors: Floryan De Campo, Annelyse Murillo, Junli Li, Tingting Zhang
  • Patent number: 8883901
    Abstract: The current invention relates to a process for stabilizing a hypophosphite salt, comprising the step of heating the hypophosphite salt at a temperature of between 150 and 370° C. during a sufficient period of time to prevent the formation of a dangerous quantity of phosphine in their application as FR in polymers and a flame retardant polymer composition comprising a polymer and 0.1 to 30 weight percent based on the total weight of the composition of the hypophosphite salt thermally stabilized by the above process.
    Type: Grant
    Filed: August 24, 2009
    Date of Patent: November 11, 2014
    Assignee: Solvay (China) Co., Ltd.
    Inventors: Floryan De Campo, Annelyse Murillo, Junli Li, Tingting Zhang