Patents by Inventor Christopher DAO

Christopher DAO 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: 10763141
    Abstract: Embodiments of the disclosure relate to methods for measuring temperature and a tool for calibrating temperature control of a substrate support in a processing chamber without contact with a surface of the substrate support. In one embodiment, a test fixture with a temperature sensor is removably mounted to an upper surface of a chamber body of the processing chamber such that the temperature sensor has a field of view including an area of the substrate support that is adjacent to a resistive coil disposed in the substrate support. One or more calibration temperature measurements of the area of the substrate support are taken by the temperature sensor and simultaneously one or more calibration resistance measurements of the resistive coil are taken corresponding to each calibration temperature measurement. Temperature control of a heating element disposed in the substrate support is calibrated based on the calibration temperature and calibration resistance measurements.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: September 1, 2020
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Niraj Merchant, Lara Hawrylchak, Mehran Behdjat, Dietrich Gage, Christopher Dao, Binh Nguyen, Michael P. Kamp, Mahesh Ramakrishna
  • Publication number: 20180269089
    Abstract: Embodiments of the disclosure relate to methods for measuring temperature and a tool for calibrating temperature control of a substrate support in a processing chamber without contact with a surface of the substrate support. In one embodiment, a test fixture with a temperature sensor is removably mounted to an upper surface of a chamber body of the processing chamber such that the temperature sensor has a field of view including an area of the substrate support that is adjacent to a resistive coil disposed in the substrate support. One or more calibration temperature measurements of the area of the substrate support are taken by the temperature sensor and simultaneously one or more calibration resistance measurements of the resistive coil are taken corresponding to each calibration temperature measurement. Temperature control of a heating element disposed in the substrate support is calibrated based on the calibration temperature and calibration resistance measurements.
    Type: Application
    Filed: March 17, 2017
    Publication date: September 20, 2018
    Inventors: Niraj MERCHANT, Lara HAWRYLCHAK, Mehran BEHDJAT, Dietrich GAGE, Christopher DAO, Binh NGUYEN, Michael P. KAMP, Mahesh RAMAKRISHNA
  • Patent number: 8196106
    Abstract: Real-time statistical analysis is used to perform autonomic self-healing within the context of a 3-tier regression system for analysis of a computer system design component. Throughout the system, there are mechanisms for implementing self-healing if breakage is detected. The regression layer with the highest throughput is maintained in a much cleaner state than otherwise, thereby creating a more efficient environment for identifying and removing defects in the design.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: June 5, 2012
    Assignee: International Business Machines Corporation
    Inventors: Mike Chow, Rebecca Marie Gott, Christopher Dao-Ling Lei, Naseer Shamsul Siddique
  • Publication number: 20090249123
    Abstract: Real-time statistical analysis is used to perform autonomic self-healing within the context of a 3-tier regression system for analysis of a computer system design component. Throughout the system, there are mechanisms for implementing self-healing if breakage is detected. The regression layer with the highest throughput is maintained in a much cleaner state than otherwise, thereby creating a more efficient environment for identifying and removing defects in the design.
    Type: Application
    Filed: March 28, 2008
    Publication date: October 1, 2009
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Mike Chow, Rebecca Marie Gott, Christopher Dao-Ling Lei, Naseer Shamsul Siddigue