Patents by Inventor RON D. ROSE

RON D. ROSE 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 improving capacitance extraction performance by approximating the effect of distant shapes
    Patent number: 10360338
    Abstract: A computer-implemented method for extracting a capacitance for a target wire of an integrated circuit includes receiving a design of the integrated circuit having a plurality of wiring layers and selecting a target wire to perform the capacitance extraction. The method further includes determining a first adjacent wiring layer and a second adjacent wiring layer and removing a first subset and a second subset of a plurality of non-adjacent wiring layers from the plurality of wiring layers. The method includes approximating a first plate to be used in the extraction based on the first subset of the plurality of non-adjacent wiring layers and approximating a second plate to be used in the extraction based on the second subset of the plurality of non-adjacent wiring layers and performing the extraction of the target wire based on the first and second adjacent wiring layers and the first and second plates.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: July 23, 2019
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Susan E. Cellier, Lewis W. Dewey, III, Anthony D. Hagin, Adam P. Matheny, Ron D. Rose, David J. Widiger, Patrick M. Williams
  • METHOD FOR IMPROVING CAPACITANCE EXTRACTION PERFORMANCE BY APPROXIMATING THE EFFECT OF DISTANT SHAPES
    Publication number: 20170206299
    Abstract: A computer-implemented method for extracting a capacitance for a target wire of an integrated circuit includes receiving a design of the integrated circuit having a plurality of wiring layers and selecting a target wire to perform the capacitance extraction. The method further includes determining a first adjacent wiring layer and a second adjacent wiring layer and removing a first subset and a second subset of a plurality of non-adjacent wiring layers from the plurality of wiring layers. The method includes approximating a first plate to be used in the extraction based on the first subset of the plurality of non-adjacent wiring layers and approximating a second plate to be used in the extraction based on the second subset of the plurality of non-adjacent wiring layers and performing the extraction of the target wire based on the first and second adjacent wiring layers and the first and second plates.
    Type: Application
    Filed: January 15, 2016
    Publication date: July 20, 2017
    Inventors: SUSAN E. CELLIER, LEWIS W. DEWEY, III, ANTHONY D. HAGIN, ADAM P. MATHENY, RON D. ROSE, DAVID J. WIDIGER, PATRICK M. WILLIAMS