Patents by Inventor Xi Wang

Xi Wang 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: 11967497
    Abstract: A method for cleaning semiconductor substrate without damaging patterned structure on the semiconductor substrate using ultra/mega sonic device comprises applying liquid into a space between a substrate and an ultra/mega sonic device; setting an ultra/mega sonic power supply at frequency f1 and power P1 to drive the ultra/mega sonic device; before bubble cavitation in the liquid damaging patterned structure on the substrate, setting the ultra/mega sonic power supply at zero output; after temperature inside bubble cooling down to a set temperature, setting the ultra/mega sonic power supply at frequency f1 and power P1 again; detecting power on time at power P1 and frequency f1 and power off time separately or detecting amplitude of each waveform output by the ultra/mega sonic power supply; comparing the detected power on time with a preset time ?1, or comparing the detected power off time with a preset time ?2, or comparing detected amplitude of each waveform with a preset value, if the detected power on time
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: April 23, 2024
    Assignee: ACM Research (Shanghai) Inc.
    Inventors: Jun Wang, Hui Wang, Fufa Chen, Fuping Chen, Jian Wang, Xi Wang, Xiaoyan Zhang, Yinuo Jin, Zhaowei Jia, Liangzhi Xie, Xuejun Li
  • Patent number: 11959373
    Abstract: Aspects of the present disclosure relate to projecting control parameters of equipment associated with forming a wellbore, stimulating the wellbore, or producing fluid from the wellbore. A system includes the equipment and a computing device. The computing device is operable to project a control parameter value of the equipment using an equipment control process, and to receive confirmation that the projected control parameter value is within an allowable operating range. The computing device is also operable to adjust the equipment control process based on the confirmation, and to control the equipment to operate at the projected control parameter value. Further, the computing device is operable to receive real-time data associated with the forming of the wellbore, the stimulating of the wellbore, or the producing fluid from the wellbore. Furthermore, the computing device is operable to adjust the equipment control process based on the real-time data.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: April 16, 2024
    Assignee: Landmark Graphics Corporation
    Inventors: Keshava Rangarajan, Joseph Blake Winston, Srinath Madasu, Xi Wang, Yogendra Narayan Pandey, Wei Chiu, Jeffery Padgett, Aimee Jackson Taylor
  • Patent number: 11955328
    Abstract: A method for cleaning semiconductor wafer includes putting at least one wafer on a cassette bracket in a first cleaning tank filled with chemical solution; after said wafers have been processed in the first cleaning tank, transferring the wafers from the first cleaning tank to a second cleaning tank with the wafers immersing in the chemical solution; and after said wafers have been processed in the second cleaning tank, taking the wafers out of the second cleaning tank.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: April 9, 2024
    Assignee: ACM RESEARCH (SHANGHAI), INC.
    Inventors: Hui Wang, Xi Wang, Fuping Chen
  • Patent number: 11955373
    Abstract: The present invention provides a method for preparing a gallium oxide semiconductor structure and a gallium oxide semiconductor structure obtained thereby.
    Type: Grant
    Filed: September 29, 2019
    Date of Patent: April 9, 2024
    Assignee: Shanghai Institute of Microsystem And Information Technology, Chinese Academy of Sciences
    Inventors: Xin Ou, Tiangui You, Wenhui Xu, Pengcheng Zheng, Kai Huang, Xi Wang
  • Publication number: 20240102256
    Abstract: A foldable windproof unit, a large-span windproof net structure thereof, and a windproof method are disclosed. The foldable windproof unit comprises a flexible windproof net, towers arranged at intervals, and a load-bearing rope erected on the two towers. The tower on one side is provided with a horizontal pulley assembly, and the tower on the other side is provided with two vertical pulleys. The top edge of the flexible windproof net is slidably connected to the load-bearing rope by means of a plurality of hanging structures. The foldable windproof unit further comprises a traction rope, the traction rope is arranged on the horizontal pulley assembly in a sleeving manner, and the two free ends of the traction rope extend to respectively bypass the two vertical pulleys and are connected to winding mechanism. The hanging structure close to the tower on one side is fixedly connected to the traction rope.
    Type: Application
    Filed: November 29, 2022
    Publication date: March 28, 2024
    Applicant: SHIJIAZHUANG TIEDAO UNIVERSITY
    Inventors: Qingkuan LIU, Xiaobing CHAI, Yifei SUN, Zhen LI, Xi WANG, Nian LIU, Yangxue WANG, Xing CHANG, Saifei FU
  • Publication number: 20240103439
    Abstract: The present disclosure provides a method and system for optimizing first-diffraction-order reconstruction of holograms, a device and a medium, and relates to the field of image processing. The method includes: acquiring a target image; determining a target image light field according to the target image; calculating a target diffraction field for the target image light field by performing backward propagation by a set distance; constructing a U-Net network model; and inputting the target diffraction field into a trained U-Net network model to acquire an optimized hologram. The trained U-Net network model is obtained by constructing a U-Net network model and training and optimizing the U-Net network model, thereby continuously improving the quality of the zero-diffraction-order reconstructed image of the initial hologram and finally achieving the effect of optimizing the first-diffraction-order reconstructed image of the hologram.
    Type: Application
    Filed: July 2, 2023
    Publication date: March 28, 2024
    Inventors: Xingpeng YAN, Xinlei LIU, Xiaoyu JIANG, Xi WANG, Tao JING, Cheng SONG, Junhui LIU
  • Patent number: 11939618
    Abstract: The present invention provides for a fusion protein comprising: (a) a terpene synthase (TS), or a homolog thereof, (b) a peptide linker, and (c) a P450 enzyme, or a homolog thereof.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: March 26, 2024
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Taek Soon Lee, Xi Wang
  • Publication number: 20240094137
    Abstract: An embodiment of this application discloses a method and device for detecting a defect of an electrode assembly, and a computer-readable storage medium. The method may include: determining a first segmented image of an electrode assembly body in an electrode assembly image based on a first preset threshold; determining a second segmented image of a tab in the electrode assembly image based on a second preset threshold, where the second preset threshold is less than the first preset threshold; and determining defect status of the electrode assembly based on the first segmented image and the second segmented image.
    Type: Application
    Filed: July 24, 2023
    Publication date: March 21, 2024
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Zhiyu WANG, Xi WANG, Guannan JIANG
  • Patent number: 11925881
    Abstract: The present invention provides a high temperature chemical solution supply system for cleaning substrates. The system includes a solution tank, a buffer tank, a first pump and a second pump. The solution tank contains high temperature chemical solution. The buffer tank has a tank body, a vent line and a needle valve. The tank body contains the high temperature chemical solution. An end of the vent line connects to the tank body, and the other end of the vent line connects to the solution tank. The needle valve is mounted on the vent line, wherein the needle valve is adjusted to reach a flow rate to vent gas bubbles inside of the high temperature chemical solution out of the buffer tank through the vent line. An inlet of the first pump connects to the solution tank, and an outlet of the first pump connects to the buffer tank. An inlet of the second pump connects to the buffer tank, and an outlet of the second pump connects to a cleaning chamber in which a substrate is cleaned.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: March 12, 2024
    Assignee: ACM RESEARCH (SHANGHAI) INC.
    Inventors: Fuping Chen, Hui Wang, Xi Wang, Shena Jia, Danying Wang, Chaowei Jiang, Yingwei Dai, Jian Wang
  • Publication number: 20240078793
    Abstract: Embodiments of the present application provide a detection method, a detection device, and a storage medium. The detection method may comprise: obtaining a to-be-detected image; obtaining a plurality of confidence levels corresponding to a plurality of detection items according to the to-be-detected image; and determining a detection result of the to-be-detected image according to the plurality of confidence levels and a plurality of detection thresholds, where the plurality of detection thresholds may be corresponding to the plurality of detection items and may be a non-inferior solution of objective functions of an overkill rate and a missed detection rate, the overkill rate may be the ratio of qualified ones detected as defective, and the missed detection rate may be the ratio of defective ones detected as qualified.
    Type: Application
    Filed: June 1, 2023
    Publication date: March 7, 2024
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Guannan JIANG, Xi WANG, Zhiyu WANG
  • Publication number: 20240070840
    Abstract: Provided are a defect detection method and apparatus, and a computer-readable storage medium. Specifically, the method includes: obtaining a to-be-detected image; obtaining a feature map of the to-be-detected image based on the to-be-detected image, where the feature map of the to-be-detected image includes a feature map of spatial position coordinate information; and performing defect detection on the to-be-detected image based on the feature map of the to-be-detected image. By modifying a neural network structure of defect detection and extracting the feature map of spatial position coordinate information during the detection, this application makes the neural network for use of defect detection sensitive to a spatial position, thereby enhancing sensitivity of a detection neural network to the spatial position, and in turn, increasing accuracy of detecting some specific defect types by the detection neural network, and increasing accuracy of defect detection.
    Type: Application
    Filed: July 21, 2023
    Publication date: February 29, 2024
    Inventors: Zhiyu Wang, Xi Wang, Guannan Jiang
  • Publication number: 20240071063
    Abstract: A deep-learning method and systems for analyzing optical coherence tomography (OCT) images based on a convolutional neural network are provided. The method includes extracting a feature from one or more three-dimensional OCT volumetric scan images and classifying the OCT images with respect to diabetic macular edema (DME) based on results the feature extracted. The step of extracting a feature from one or more three-dimensional OCT volumetric scan images is performed by a neural network such as a neural network based on a ResNet-34 architecture. The method can further include extracting a feature from one or more two-dimensional (2D) OCT B-scan images and classifying the OCT images with respect to DME based on results of the 2D feature extracted. The step of extracting a feature from one or more 2D OCT B-scan images is performed by a neural network such as a neural network based on a ResNet-18 architecture.
    Type: Application
    Filed: August 26, 2022
    Publication date: February 29, 2024
    Inventors: Yim Lui Carol Cheung, Pheng Ann Heng, Fangyao Tang, Xi Wang
  • Patent number: 11913492
    Abstract: A uni-directional and multi-directional mechanical bearing suitable for supporting structures such as bridges comprises a removable cassette comprising a sliding layer composed of a low friction material such as PTFE. The removable cassette allows for the replacement of the sliding layer without needing to remove or replace the entire bearing. The bearing can be part of a kit that includes a replacement cassette having a varying thickness that corresponds to the uneven wear on the sliding layer of the removable cassette and compensates for an eccentric pressure on the bearing when under load.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: February 27, 2024
    Assignee: MARCONMETALFAB INC.
    Inventors: Eric de Fleuriot de la Coliniere, Casey Xi Wang, Duncan Robert Bohlmann
  • Patent number: 11911808
    Abstract: A system for controlling damages in cleaning a semiconductor wafer comprising features of patterned structures, the system comprising: a wafer holder for temporary restraining a semiconductor wafer during a cleaning process; an inlet for delivering a cleaning liquid over a surface of the semiconductor wafer; a sonic generator configured to alternately operate at a first frequency and a first power level for a first predetermined period of time and at a second frequency and a second power level for a second predetermined period of time, to impart sonic energy to the cleaning liquid, the first predetermined period of time and the second predetermined period of time consecutively following one another; and a controller programmed to provide the cleaning parameters, wherein at least one of the cleaning parameters is determined such that a percentage of damaged features as a result of the imparting sonic energy is lower than a predetermined threshold.
    Type: Grant
    Filed: March 9, 2023
    Date of Patent: February 27, 2024
    Assignee: ACM Research (Shanghai) Inc.
    Inventors: Hui Wang, Fufa Chen, Fuping Chen, Jian Wang, Xi Wang, Xiaoyan Zhang, Yinuo Jin, Zhaowei Jia, Liangzhi Xie, Jun Wang, Xuejun Li
  • Patent number: 11911807
    Abstract: The present invention provides a method for cleaning substrates comprising the steps of: placing a substrate on a substrate holder; implementing a bubble less or bubble-free pre-wetting process for the substrate; and implementing an ultra/mega sonic cleaning process for cleaning the substrate.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: February 27, 2024
    Assignee: ACM RESEARCH (SHANGHAI), INC.
    Inventors: Hui Wang, Xi Wang, Fuping Chen, Xiaoyan Zhang, Fufa Chen
  • Publication number: 20240054705
    Abstract: A method and system for generating a random graphic training dataset and a hologram is disclosed, which relates to the technical field of image processing. The method for generating a random graphic training dataset includes: randomly generating a plurality of graphic datasets, where each of the graphic datasets includes a square, a circle and an equilateral triangle; for any graphic dataset, performing gradual filling on each graphic in the graphic dataset to obtain a gradual graphic dataset; and performing translation transformation on each graphic in the gradual graphic dataset for a predetermined number of times to obtain random graphics corresponding to the graphic dataset, and determining random graphics corresponding to all graphic datasets as a random graphic training dataset. More comprehensive training data can be provided and a training effect of a model can be improved.
    Type: Application
    Filed: May 24, 2023
    Publication date: February 15, 2024
    Inventors: Xingpeng YAN, Xinlei LIU, Xi WANG, Tao JING, Xiaoyu JIANG, Zhuo CHEN, Cheng SONG
  • Publication number: 20240034481
    Abstract: A method is provided for operating an aircraft system. During this method, an electric machine of an electrical system is operated onboard an aircraft. A first set of electrical system waves produced by the electrical system is sensed. A set of electrical system attenuation waves is produced to attenuate a second set of electrical system waves produced by the electrical system in response to sensing the first set of the electrical system waves.
    Type: Application
    Filed: July 29, 2022
    Publication date: February 1, 2024
    Inventors: Xi Wang, Jeremy Gonzalez
  • Publication number: 20240029240
    Abstract: Disclosed, in one embodiment, are a method and device for detecting imaging consistency of a system, and a computer storage medium. The method includes: determining a target region in an image acquired by the system, where the target region is a partial region that includes a target object in the image acquired by the system; obtaining first image information of the target region; and detecting the imaging consistency of the system based on the first image information. By obtaining the first image information of the target region in the image acquired by the system and determining the imaging consistency of the system based on the first image information, this application can effectively detect the imaging consistency of the system and improve accuracy of product detection.
    Type: Application
    Filed: September 26, 2023
    Publication date: January 25, 2024
    Inventors: Zhiyu Wang, Xi Wang, Guannan Jiang
  • Patent number: 11873086
    Abstract: A variable-sweep wing VTOL (vertical take-off and landing) aerial vehicle with distributed propulsion adapted for VTOL flight and horizontal flight includes a fuselage, a pair of symmetrical swiveling canards extending outward from forward portion of the fuselage, a pair of first symmetrical wings extending outward from the upper-rear portion of the fuselage and a pair of second symmetrical wings extending outward from the lower-rear portion of the fuselage. The first and second wings are spaced apart longitudinally and vertically. The pylon joins the first wing and second wing at the tip to form the box-wing. The wings can transition between VTOL mode or airplane mode. The wings are mounted with rotors for propulsion. Moreover, at the trailing edge of the wings, the blown flap work as blown lift system for both VTOL flight or STOL flight. Finally, the fuselage mounted pusher rotor provides propulsive thrust for horizontal flight.
    Type: Grant
    Filed: September 19, 2021
    Date of Patent: January 16, 2024
    Inventor: Xi Wang
  • Patent number: 11875653
    Abstract: A contactless card includes an arrangement of a plurality of tactile sensors along the edge, an arrangement of a plurality of tactile sensors on the surface or surfaces, an arrangement of a plurality tactile of sensors along the edge and on the surface or surfaces. The arrangement of a plurality of tactile sensors captures the interaction of the user's hand and the contactless card to generate a unique binary string. In addition to the validation of the identifying information embedded within the memory of any existing contactless credit card, debit cards, prepaid electronic cash card, loyalty card and access card, the user's identification is also validated through the binary string. An irreversible mathematical equation can be used to compute the identifying information and binary string to generate the validation Radio Frequency Identification signal.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: January 16, 2024
    Inventor: Xi Wang