Patents by Inventor Michael Gester

Michael Gester 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).

  • Reducing color conflicts in triple patterning lithography
    Patent number: 9158885
    Abstract: Methods of the present disclosure can include: using a computing device to perform actions including: applying a design rule check (DRC) on a proposed integrated circuit (IC) layout, wherein the DRC applies a set of restrictive design rules (RDRs) in response to the proposed IC layout being a contact area (CA) layout; computing a conflict graph for the proposed IC layout in response to one of the IC layout being a metal layer layout and the set of RDRs being satisfied; determining whether the IC layout is one of non-colorable, indeterminate, partially colorable, and fully colorable; and partially coloring the IC layout and identifying non-colorable nodes in response to the IC layout being indeterminate or partially colorable.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: October 13, 2015
    Assignee: GLOBALFOUNDRIES, Inc.
    Inventors: Michael S. Gray, Matthew T. Guzowski, Alexander Ivrii, Lars W. Liebmann, Kevin W. McCullen, Gustavo E. Tellez, Michael Gester