Patents by Inventor Jacobus Eelkman Rooda

Jacobus Eelkman Rooda 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).

  • Method of operating a lithographic processing machine, control system, lithographic apparatus, lithographic processing cell, and computer program
    Patent number: 7756597
    Abstract: Scheduling of tasks in a lithographic apparatus, track unit or lithocell is performed by maintaining a register of the state of the machine and a database of tasks performable by the machine, generating possible sequences of tasks based on pre- and post-conditions on the system state (rather than a precedence relation) and selecting a sequence from the generated sequences that meets a given beginning state of the machine and a desired end state. Embodiments of the invention also allow for automated recovery from exceptions.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: July 13, 2010
    Assignee: ASML Netherlands B.V.
    Inventors: Norbertus Josephus Martinus Van Den Nieuwelaar, Willem Herman Gertruda Anna Koenen, Johannes Onvlee, Henricus Petrus Johannes Van Lierop, Robert Jozef Dumont, Jacobus Eelkman Rooda, Michiel Antal Rogier Stoets
  • Method of planning tasks in a machine, method of controlling a machine, supervisory machine control system, lithographic apparatus, lithographic processing cell and computer program
    Patent number: 7184849
    Abstract: A method of planning tasks to be performed in a machine derives a precedence graph by linking subsidiary tasks to a sequence of key tasks to create a scheduling problem that can be solved by an automated scheduler.
    Type: Grant
    Filed: May 25, 2004
    Date of Patent: February 27, 2007
    Assignee: ASML Netherlands B.V.
    Inventors: Norbertus Josephus Martinus Van Den Nieuwelaar, Johannes Onvlee, Roel Boumen, Henricus Petrus Johannus Van Lierop, Robert Jozef Dumont, Jacobus Eelkman Rooda