Patents by Inventor Mark Shepheard

Mark Shepheard 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).

  • Scheduling system and method
    Patent number: 7574278
    Abstract: A method and apparatus for scheduling in a wafer fab. The method comprising means for weighting inventories according to at least one of logpoints or reticle, and photolithography units, means for scheduling one of said inventories on one of said photolithography units, wherein said one of said inventories has a maximal weighting and means for eliminating any of said inventories not scheduled according to constraints.
    Type: Grant
    Filed: July 29, 2008
    Date of Patent: August 11, 2009
    Assignee: Texas Instruments Incorporated
    Inventors: James Heskin, Mark Shepheard, Julia Lafoy
  • Scheduling System and Method
    Publication number: 20080281454
    Abstract: A method and apparatus for scheduling in a wafer fab. The method comprising means for weighting inventories according to at least one of logpoints or reticle, and photolithography units, means for scheduling one of said inventories on one of said photolightography units, wherein said one of said inventories has a maximal weighting and means for eliminating any of said inventories not scheduled according to constraints.
    Type: Application
    Filed: July 29, 2008
    Publication date: November 13, 2008
    Applicant: TEXAS INSTRUMENTS INCORPORATED
    Inventors: James Heskin, Mark Shepheard, Julia Lafoy
  • Scheduling system and method
    Patent number: 7426419
    Abstract: Photolithography operation in a wafer fab using relative weightings of work in progress to iteratively schedule wafers.
    Type: Grant
    Filed: August 13, 2003
    Date of Patent: September 16, 2008
    Assignee: Texas Instruments Incorporated
    Inventors: James Heskin, Mark Shepheard, Julia Lafoy
  • Scheduling system and method
    Publication number: 20040093251
    Abstract: Photolithography operation in a wafer fab using relative weightings of work in progress to iteratively schedule wafers.
    Type: Application
    Filed: August 13, 2003
    Publication date: May 13, 2004
    Inventors: James Heskin, Mark Shepheard, Julia Lafoy