Patents by Inventor Wen-Shyan Wang

Wen-Shyan 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: 5900045
    Abstract: The present invention discloses a method and apparatus for eliminating air bubbles from a liquid dispensing line by utilizing an air bubble tank positioned and connected in fluid communication between a liquid reservoir and an electric pump for feeding the liquid. The air bubble tank cumulates air bubbles in an upper portion of the tank cavity and allows a liquid flow which is substantially free of air bubbles to be outputted from an outlet positioned adjacent to the bottom of the tank to a process machine, while the air bubbles are exhausted out of the tank on a predetermined frequency.
    Type: Grant
    Filed: April 18, 1997
    Date of Patent: May 4, 1999
    Assignee: Taiwan Semiconductor Manufacturing Co.Ltd.
    Inventors: Wen-Shyan Wang, Shih-Hung Lu