Patents by Inventor Christopher T. McEvoy

Christopher T. McEvoy 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).

  • Determining intra-die variation of an integrated circuit
    Patent number: 9255962
    Abstract: Embodiments of the present invention disclose an apparatus and method to determine the intra-chip variation of an integrated circuit. In an embodiment, an apparatus comprises a test macro that includes two or more test structures; wherein each test structure includes identical copies of the same performance monitor; wherein each performance monitor has a unique bounding circuitry that encompasses the performance monitor; and wherein the two or more test structures are positioned close enough to each other as to reduce systematic across chip variation between the two or more test structures.
    Type: Grant
    Filed: August 15, 2013
    Date of Patent: February 9, 2016
    Assignee: GlobalFoundries, Inc.
    Inventors: Jeanne P. S. Bickford, Aurelius L. Graninger, Christopher T. McEvoy, Joseph J. Oler, Jr.
  • DETERMINING INTRA-DIE VARIATION OF AN INTEGRATED CIRCUIT
    Publication number: 20150048860
    Abstract: Embodiments of the present invention disclose an apparatus and method to determine the intra-chip variation of an integrated circuit. In an embodiment, an apparatus comprises a test macro that includes two or more test structures; wherein each test structure includes identical copies of the same performance monitor; wherein each performance monitor has a unique bounding circuitry that encompasses the performance monitor; and wherein the two or more test structures are positioned close enough to each other as to reduce systematic across chip variation between the two or more test structures.
    Type: Application
    Filed: August 15, 2013
    Publication date: February 19, 2015
    Applicant: International Business Machines Corporation
    Inventors: Jeanne P.S. Bickford, Aurelius L. Graninger, Christopher T. McEvoy, Joseph J. Oler, JR.