Patents by Inventor Roland R. Stumpf

Roland R. Stumpf 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).

  • Patent number: 6518070
    Abstract: A process for forming a capacitor with a high-k dielectric or ferroelectric layer within a semiconductor device is used to reduce the likelihood of oxidation or materials interactions between that layer and an underlying layer. A first electrode layer includes atoms that form along grain boundaries within the first electrode layer to reduce the oxidation of a conductive plug or undesired materials interactions.
    Type: Grant
    Filed: May 17, 2000
    Date of Patent: February 11, 2003
    Assignee: Motorola, Inc.
    Inventors: Prasad V. Alluri, Mark Victor Raymond, Sucharita Madhukar, Roland R. Stumpf, Chun-Li Liu, Clarence J. Tracy