Patents by Inventor Wolf Staud

Wolf Staud 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: 7913197
    Abstract: According to various embodiments of the invention systems and methods for multiple pattern lithography, wherein a target layout pattern that is not capable of being printed in one lithography step is decomposed into multiple patterns that are printable in one lithography operation and, when appropriate, a continuous junction is utilized for where patterns overlap. In a further embodiment, where a continuous junction is not utilized, a splice is utilized at overlap locations. In yet another embodiment, where splices are utilized for overlap locations, identifying where critical nets are located in the target layout pattern, determining how close a component of the critical net is to a splice, and changing the target layout pattern as to avoid the condition of a component of the critical net being in proximity to a splice. In another embodiment of the invention, where splices are utilized at overlap locations, placing a landing pad of contacts or vias at the same location as the splice.
    Type: Grant
    Filed: February 21, 2008
    Date of Patent: March 22, 2011
    Assignee: Cadence Design Systems, Inc.
    Inventors: Michiel Victor Paul Kruger, Bayram Yenikaya, Anwei Liu, Abdurrahman Sezginer, Wolf Staud