Patents by Inventor Perry Hartswick

Perry Hartswick 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).

  • Wafer identification mark
    Patent number: 7510124
    Abstract: A semiconductor wafer including a plurality of pits in the semiconductor wafer. The pits are arranged in an information-providing pattern and are readable after completion of processing on the wafer.
    Type: Grant
    Filed: November 10, 2005
    Date of Patent: March 31, 2009
    Assignee: International Business Machines Corporation
    Inventors: Brian Barker, Raymond Bunkofske, John Colt, Perry Hartswick, John Lewis, Nancy Pascoe
  • WAFER IDENTIFICATION MARK
    Publication number: 20070241202
    Abstract: A semiconductor wafer including a plurality of pits in the semiconductor wafer. The pits are arranged in an information-providing pattern and are readable after completion of processing on the wafer.
    Type: Application
    Filed: November 10, 2005
    Publication date: October 18, 2007
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Brian Barker, Raymond Bunkofske, John Colt, Perry Hartswick, John Lewis, Nancy Pascoe