Patents by Inventor Pranita Kulkami

Pranita Kulkami 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).

  • STRUCTURE AND METHOD TO MINIMIZE REGROWTH AND WORK FUNCTION SHIFT IN HIGH-K GATE STACKS
    Publication number: 20110062546
    Abstract: The present invention provides a semiconductor structure comprising high-k material portions that are self-aligned with respect to the active areas in the semiconductor substrate and a method of fabricating the same. The high-k material is protected from oxidation during the fabrication of the semiconductor structure and regrowth of the high-k material and shifting of the high-k material work function is prevented.
    Type: Application
    Filed: September 11, 2009
    Publication date: March 17, 2011
    Applicant: IBM Corporation
    Inventors: Kangguo Cheng, Bruce B. Doris, Pranita Kulkami