Patents by Inventor Yang Chang

Yang Chang 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: 12175020
    Abstract: The present invention provides a motion detecting system, which includes a light source module, a plurality of image sensors and a control unit. The light source module illuminates at least one object. The image sensors respectively detect the object under the light emitted by the light source module to generate a plurality of detection results. The control unit is coupled to the image sensors, and generates a control command according to the detection results.
    Type: Grant
    Filed: August 15, 2023
    Date of Patent: December 24, 2024
    Assignee: PIXART IMAGING INC.
    Inventors: Ting-Yang Chang, Yen-Min Chang, Nien-Tse Chen
  • Publication number: 20240420932
    Abstract: Substrate support components including an integrally formed insulator body including a first surface and a second surface opposite the first surface, and a thickness of the insulator body exceeds an arcing threshold between the first body and the second body when the insulator body is arranged between a first electrically conductive body and a second electrically conductive body. The insulator body includes gas conduits within the insulator body and forming a gas flow path from the first surface to the second surface, including a gas conductance plug embedded within a first portion of the gas conduit and having at least a threshold gas conductance through the gas conductance plug, wherein the gas conductance plug obstructs an electrical discharge path between the first body and the second body when the insulator body is arranged with respect to the first body and the second body.
    Type: Application
    Filed: June 14, 2023
    Publication date: December 19, 2024
    Inventors: Yogananda Sarode Vishwanath, Xue Yang Chang
  • Publication number: 20240420984
    Abstract: An electrostatic chuck (ESC) including a ceramic body having a first surface with two or more regions defined on the first surface arranged concentrically with respect to each other on the first surface. Each region includes a retaining ring arranged on the first surface and defining an outer edge of the region, and structures arranged on the first surface and within the region configured to support a surface of a substrate when the substrate is retained by the electrostatic chuck. The ESC includes gas conduits configured to introduce a gas into the two or more regions through the ceramic body and to the first surface, and embedded electrodes within the ceramic body and arranged with respect to the first surface and configured to generate a retaining force on the surface of the substrate.
    Type: Application
    Filed: June 15, 2023
    Publication date: December 19, 2024
    Inventors: Andrew Nguyen, Yogananda Sarode Vishwanath, Tom K. Cho, Jennifer Y. Sun, Xue Yang Chang
  • Publication number: 20240410773
    Abstract: Methods and apparatus provide in-situ pressure sensors for apparatus used in semiconductor manufacturing processes. In some embodiments, the apparatus may comprise a showerhead body, a first gas channel of the showerhead body, a second gas channel of the showerhead body, one or more first gas pressure sensors positioned on a surface of the first gas channel, and one or more second gas pressure sensors positioned on a surface of the second gas channel. The apparatus may be formed by additive manufacturing including the pressure sensors and electrical connections to the pressure sensors. In some embodiments, a controller may be utilized to control semiconductor processes based on the pressure readings from the in-situ pressure sensors.
    Type: Application
    Filed: June 9, 2023
    Publication date: December 12, 2024
    Inventors: Chih-Yang CHANG, Shantanu Rajiv GADGIL, Chien-Min LIAO, Shannon WANG, Yao-Hung YANG, Tom K. CHO
  • Publication number: 20240412020
    Abstract: Methods and apparatus for scanning a code on or in a transparent part, the method comprising: illuminating the code to generate a projected image of the code on a projection surface spaced from the transparent part; and machine scanning the projected image.
    Type: Application
    Filed: June 8, 2023
    Publication date: December 12, 2024
    Inventors: Yao-Hung YANG, Chih-Yang CHANG, Shannon WANG
  • Publication number: 20240399504
    Abstract: Methods for texturing a surface of a component which include partially submerging the component within a liquid such that a first portion of the component is not submerged in the liquid and a second portion of the component is submerged in the liquid; and contacting at least the first portion of the component with a laser beam at a power and for a period of time sufficient to texture the first portion of the component to a first surface roughness, wherein the second portion of the component is either not textured by the laser beam, or is textured to a lesser degree than the first portion of the component and has a second surface roughness which is less than the first surface roughness.
    Type: Application
    Filed: May 31, 2023
    Publication date: December 5, 2024
    Inventors: Yao-Hung YANG, Chih-Yang CHANG, Shannon WANG, Jianqi WANG
  • Patent number: 12156409
    Abstract: Various embodiments of the present application are directed a memory layout for reduced line loading. In some embodiments, a memory device comprises an array of bit cells, a first conductive line, a second conductive line, and a plurality of conductive bridges. The first and second conductive lines may, for example, be source lines or some other conductive lines. The array of bit cells comprises a plurality of rows and a plurality of columns, and the plurality of columns comprise a first column and a second column. The first conductive line extends along the first column and is electrically coupled to bit cells in the first column. The second conductive line extends along the second column and is electrically coupled to bit cells in the second column. The conductive bridges extend from the first conductive line to the second conductive line and electrically couple the first and second conductive lines together.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: November 26, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Yang Chang, Wen-Ting Chu
  • Publication number: 20240378295
    Abstract: An embodiment of the invention provides a data authentication device. The data authentication device may include a main memory, a backup memory, a platform control hub (PCH) and an embedded controller (EC). The main memory may be configured to store data. The backup memory may be configured to back up the data stored in the main memory. The PCH is coupled to the main memory and generates a write command to write a first data image to the main memory, wherein the first data image comprises updated data and a digital signature. The EC is coupled to the main memory, the backup memory and the PCH and obtains the first data image from the PCH. When the EC detects a write command, the EC may perform an authentication for the updated data based on the first data image or a second data image corresponding to the first data image.
    Type: Application
    Filed: May 3, 2024
    Publication date: November 14, 2024
    Inventors: Ming-Hung WU, Hao-Yang CHANG, Chih-Hung HUANG, Kang-Fu CHIU
  • Publication number: 20240359158
    Abstract: The present application is generally directed to gas storage materials such as activated carbon comprising enhanced gas adsorption properties. The gas storage materials find utility in any number of gas storage applications. Methods for making the gas storage materials are also disclosed.
    Type: Application
    Filed: July 10, 2024
    Publication date: October 31, 2024
    Inventors: Henry R. Costantino, Alan Tzu-Yang Chang, Chad Goodwin, Cory Mekelburg, Liam Cover, Benjamin E. Kron, Katharine Geramita, Aaron M. Feaver, Leah A. Thompkins
  • Publication number: 20240355597
    Abstract: An apparatus for ion beam etching is provided. An ion extractor separates a plasma source chamber from a process chamber. A gas inlet provides gas to the plasma source chamber. An RF power system provides RF power to the plasma source chamber. A process gas source and cleaning gas mixture source are connected to the gas inlet.
    Type: Application
    Filed: August 19, 2022
    Publication date: October 24, 2024
    Inventors: Chih-Yang CHANG, Raphael CASAES, Seokmin YUN, Shih-Yuan CHENG, Chih-Min LIN, Shuogang HUANG, Anurag Kumar MISHRA
  • Publication number: 20240353010
    Abstract: Embodiments of methods of fabricating and refurbishing a component having a seal are provided. A method of fabricating a component having a seal includes: depositing a first layer directly onto a sealing surface of a body, wherein the first layer includes a 3D surface pattern; and depositing a second layer onto the first layer, wherein the second layer includes a seal material. A method of refurbishing a component having a seal includes: providing a component including a body and a seal attached to the body; removing at least a portion the seal from a sealing surface of the body to form an exposed portion of the sealing surface; depositing a first layer directly onto the exposed portion of the sealing surface, wherein the first layer includes a 3D surface pattern; and depositing a second layer onto the first layer, wherein the a second layer includes seal material.
    Type: Application
    Filed: April 24, 2023
    Publication date: October 24, 2024
    Inventors: Chih-Yang CHANG, Kaushik RAO, Yao-Hung YANG, Tom K. CHO, Siamak SALIMIAN
  • Publication number: 20240331796
    Abstract: The present disclosure describes a magnetic memory device. The magnetic memory device includes a magnetic sensing array configured to sense an external magnetic field strength. The magnetic memory device further includes a voltage modulator configured to, in response to the external magnetic field strength being greater than a threshold magnetic field strength, provide a test voltage different from a current write voltage of the magnetic memory device. The magnetic memory device further includes an error check array configured to use the test voltage as a write voltage of the error check array and provide a bit error rate corresponding to the test voltage. The magnetic memory device further includes a control unit configured to adjust, based on the bit error rate being equal to or less than a threshold bit error rate, a write voltage of the magnetic memory device from the current write voltage to the test voltage.
    Type: Application
    Filed: June 10, 2024
    Publication date: October 3, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chia-Hsiang CHEN, Chih-Yang Chang, Chia Yu Wang, Meng-Chun Shih
  • Patent number: 12107333
    Abstract: This invention provides an antenna assembly equipped with a sub-wavelength structured enhancer, comprising an antenna supporting substrate with a top surface and a bottom surface opposite to each other; a first patch antenna is disposed on the top surface of the antenna supporting substrate or inside of the antenna supporting substrate; a ground layer is disposed under the bottom surface of the antenna supporting substrate; a signal feeding layer for transmitting satellite communicating signals is disposed on one of surfaces of the antenna supporting substrate, or inside of the antenna supporting substrate, or under the first patch antenna, or under a side of the ground layer back to the antenna supporting substrate; and a solid sub-wavelength structured enhancer is disposed above the first patch antenna and spaced with each other by an air gap ranging between 7 mm and 47 mm.
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: October 1, 2024
    Assignee: AuthenX Inc.
    Inventors: Yu-Chun Wang, Po-Kuan Shen, Sheng-Fu Lin, Jenq-Yang Chang, Mao-Jen Wu
  • Patent number: 12096908
    Abstract: A robot cleaner comprises a first light source, an optical sensor, a processing circuit and a second light source. The first light source emits first light. The optical sensor senses first optical data generated according to the first light. The processing circuit computes a height or an overhang height of an obstacle based on the first optical data. The second light source emits second light. The optical sensor senses second optical data generated according to the second light. The processing circuit determines whether the obstacle exists in the predetermined region or not based on the second optical data.
    Type: Grant
    Filed: May 16, 2023
    Date of Patent: September 24, 2024
    Assignee: PixArt Imaging Inc.
    Inventors: Guo-Zhen Wang, Ting-Yang Chang
  • Patent number: 12100576
    Abstract: Embodiments of process kits for use in a process chamber are provided herein. In some embodiments, a process kit for use in a process chamber includes: a chamber liner having a tubular body with an upper portion and a lower portion; a confinement plate coupled to the lower portion of the chamber liner and extending radially inward from the chamber liner, wherein the confinement plate includes a plurality of slots; a shield ring disposed within the chamber liner and movable between the upper portion of the chamber liner and the lower portion of the chamber liner; and a plurality of ground straps coupled to the shield ring at a first end of each ground strap of the plurality of ground straps and to the confinement plate at a second end of each ground strap to maintain electrical connection between the shield ring and the chamber liner when the shield ring moves.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: September 24, 2024
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Andrew Nguyen, Xue Yang Chang, Yu Lei, Xianmin Tang, John C. Forster, Yogananda Sarode Vishwanath, Abilash Sainath, Tza-Jing Gung
  • Publication number: 20240301390
    Abstract: An object of the present disclosure is at least to provide a cell fusion method having a high cell fusion rate. The object is solved by a cell fusion method including pressurizing, by a pressurization portion, a solution containing multiple cells of one or more types and at least one type of chemical cell fusion agent, the solution contained in a container portion.
    Type: Application
    Filed: December 16, 2021
    Publication date: September 12, 2024
    Applicants: DAICEL CORPORATION, OSAKA UNIVERSITY
    Inventors: Yuko SAKAGUCHI, Chin-Yang CHANG, Yayoi MATSUBARA
  • Patent number: 12084549
    Abstract: The present application is directed to methods for preparation of carbon materials. The carbon materials comprise enhanced electrochemical properties and find utility in any number of electrical devices, for example, as electrode material in ultracapacitors or batteries.
    Type: Grant
    Filed: August 25, 2023
    Date of Patent: September 10, 2024
    Assignee: Group 14 Technologies, Inc.
    Inventors: Katharine Geramita, Benjamin E. Kron, Henry R. Costantino, Aaron M. Feaver, Avery J. Sakshaug, Leah A. Thompkins, Alan Tzu-Yang Chang
  • Patent number: D1044027
    Type: Grant
    Filed: November 3, 2022
    Date of Patent: September 24, 2024
    Assignee: E-LINK PLASTIC & METAL INDUSTRIAL CO., LTD.
    Inventors: Pin-Yang Chang, Yu Chin Hsu
  • Cup
    Patent number: D1048820
    Type: Grant
    Filed: June 13, 2023
    Date of Patent: October 29, 2024
    Assignee: E-LINK PLASTIC & METAL INDUSTRIAL CO., LTD.
    Inventor: Pin-Yang Chang
  • Patent number: D1049067
    Type: Grant
    Filed: April 4, 2022
    Date of Patent: October 29, 2024
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Rohan Vijay Rane, Xue Yang Chang, Timothy Joseph Franklin, Daniel Sang Byun