Patents by Inventor Cho Tay

Cho Tay 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).

  • Publication number: 20070128527
    Abstract: A method and structure for a phase shift mask having a light reducing layer with sloped sidewalls. In some embodiments, the sloped sidewalls can help improve the image imbalance. The mask comprising: a substrate having a first region, a second region and a third region; the third region position between the first region and the second regions; an light reducing layer over the substrate having a first opening over the first region and a second opening over the second region; the first opening and the second opening defined by light reducing layer sidewalls; the sidewalls of the opaque layer are slanted at an angle less than 90 degrees with the plane of the top surface of the substrate.
    Type: Application
    Filed: December 7, 2005
    Publication date: June 7, 2007
    Inventors: Gek Chua, Sia Tan, Qunying Lin, Cho Tay, Chenggen Quan
  • Publication number: 20050007721
    Abstract: A contact pressure sensor (10) and method for manufacturing a contact pressure sensor for detecting contact pressure between two surfaces is disclosed. The contact pressure sensor disclosed comprises a substrate (40) for supporting the sensor and a contact pressure sensitive layer (26) sensitive to pressure applied to the contact pressure sensor. The method disclosed also comprises transferring a process post structure (8) that is formed on a first process support substrate (20) from the first process support substrate to a second contact pressure sensor support substrate (40).
    Type: Application
    Filed: July 8, 2003
    Publication date: January 13, 2005
    Inventors: Ramam Akkipeddi, Christopher Sperring, Siew Toh, Cho Tay, Mustafizur Rahman, Soo Chua