Patents by Inventor Thottam S. Kalkur

Thottam S. Kalkur 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 of high dielectric constant metal/dielectric/semiconductor capacitor for use as the storage capacitor in memory devices
    Patent number: 5338951
    Abstract: A capacitor for a semiconductor structure is formed having a substrate, a stack of a buffer layer and a layer of ferroelectric material, and a top electrode. The capacitor can also have a layer of polysilicon between the substrate and the buffer layer. A method for forming the same, through establishing a substrate, a buffer layer and a layer of ferroelectric material, defining and annealing the buffer layer and layer of ferroelectric material, and establishing a top electrode, is also disclosed.
    Type: Grant
    Filed: November 6, 1991
    Date of Patent: August 16, 1994
    Assignee: Ramtron International Corporation
    Inventors: George Argos, Jr., Thottam S. Kalkur