Patents by Inventor Heng-Tien Chen

Heng-Tien Chen 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).

  • Method for fabricating a CMOS device with reduced number of photolithography steps
    Patent number: 5439834
    Abstract: In a method for fabricating a CMOS device with NMOS and PMOS transistors, patterned nitride films are employed in the source/drain ion implantation procedure to reduce the required number of photolithography steps.
    Type: Grant
    Filed: November 15, 1994
    Date of Patent: August 8, 1995
    Assignee: Winbond Electronics Corp.
    Inventor: Heng-Tien Chen