Patents by Inventor Shang-Shiuan DENG

Shang-Shiuan DENG 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: 11830754
    Abstract: A method includes: positioning a wafer on an electrostatic chuck of an apparatus; and securing the wafer to the electrostatic chuck by: securing a first wafer region of the wafer to a first chuck region of the electrostatic chuck by applying a first voltage at a first time. The method further includes securing a second wafer region of the wafer to a second chuck region of the electrostatic chuck by applying a second voltage at a second time different from the first time; and processing the wafer by the apparatus while the wafer is secured to the electrostatic chuck.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: November 28, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Shang-Shiuan Deng, Fan-Chi Lin, Chueh-Chi Kuo, Li-Jui Chen, Heng-Hsin Liu
  • Publication number: 20220310431
    Abstract: A method includes: positioning a wafer on an electrostatic chuck of an apparatus; and securing the wafer to the electrostatic chuck by: securing a first wafer region of the wafer to a first chuck region of the electrostatic chuck by applying a first voltage at a first time. The method further includes securing a second wafer region of the wafer to a second chuck region of the electrostatic chuck by applying a second voltage at a second time different from the first time; and processing the wafer by the apparatus while the wafer is secured to the electrostatic chuck.
    Type: Application
    Filed: September 16, 2021
    Publication date: September 29, 2022
    Inventors: Shang-Shiuan DENG, Fan-Chi LIN, Chueh-Chi KUO, Li-Jui CHEN, Heng-Hsin LIU