Patents by Inventor S. Shivaling Mahant-Shetti

S. Shivaling Mahant-Shetti 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).

  • Substrate contact for gate array base cell and method of forming same
    Patent number: 5574298
    Abstract: A method for forming a gate array substrate contact and the contact resulting therefrom includes the steps of etching off polysilicon gate layers at the same time as cutting the polysilicon to form the gate array base cell (10). The method includes forming openings (40, 42, and 44) in the second insulating layer (34) and insulating layer (30) to connect a lead (46, 48, and 50) to the underlying substrate.
    Type: Grant
    Filed: August 29, 1995
    Date of Patent: November 12, 1996
    Assignee: Texas Instruments Incorporated
    Inventors: Masashi Hashimoto, Louis N. Hutter, S. Shivaling Mahant-Shetti