Patents by Inventor Mark Edd Williams

Mark Edd Williams 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: 8976336
    Abstract: A lithographic apparatus is described that comprises a support structure to hold an object. The object may be a patterning device or a substrate to be exposed. The support structure comprises a chuck, on which the object is supported, and an array of shear-compliant elongated elements normal to the chuck and the stage, such that first ends of the elongated elements contact a surface of the chuck and second ends of the elongated elements contact a stage. Through using the array of elongated elements, a transfer of stress between the stage and the chuck is substantially uniform, resulting in minimization of slippage of the object relative to the surface of the chuck during a deformation of the chuck due to the stress.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: March 10, 2015
    Assignee: ASML Holding N.V.
    Inventors: Samir A. Nayfeh, Mark Edd Williams, Justin Matthew Verdirame
  • Publication number: 20140233009
    Abstract: A lithographic apparatus is described that comprises a support structure to hold an object. The object may be a patterning device or a substrate to be exposed. The support structure comprises a chuck, on which the object is supported, and an array of shear-compliant elongated elements normal to the chuck and the stage, such that first ends of the elongated elements contact a surface of the chuck and second ends of the elongated elements contact a stage. Through using the array of elongated elements, a transfer of stress between the stage and the chuck is substantially uniform, resulting in minimization of slippage of the object relative to the surface of the chuck during a deformation of the chuck due to the stress.
    Type: Application
    Filed: April 23, 2014
    Publication date: August 21, 2014
    Applicant: ASML Holding N.V.
    Inventors: Samir A. NAYFEH, Mark Edd Williams, Justin Matthew Verdirame
  • Patent number: 8786832
    Abstract: A lithographic apparatus is described that comprises a support structure to hold an object. The object may be a patterning device or a substrate to be exposed. The support structure comprises a chuck, on which the object is supported, and an array of shear-compliant elongated elements normal to the chuck and the stage, such that first ends of the elongated elements contact a surface of the chuck and second ends of the elongated elements contact a stage. Through using the array of elongated elements, a transfer of stress between the stage and the chuck is substantially uniform, resulting in minimization of slippage of the object relative to the surface of the chuck during a deformation of the chuck due to the stress.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: July 22, 2014
    Assignee: ASML Holding N.V.
    Inventors: Samir A. Nayfeh, Mark Edd Williams, Justin Matthew Verdirame
  • Publication number: 20110013164
    Abstract: A lithographic apparatus is described that comprises a support structure (300) to hold an object (210). The object may be a patterning device or a substrate to be exposed. The support structure comprises a chuck (321), on which the object is supported, and an array of shear-compliant elongated elements (325) normal to the chuck and the stage (230), such that first ends of the elongated elements contact a surface of the chuck and second ends of the elongated elements contact a stage. Through using the array of elongated elements, a transfer of stress between the stage and the chuck is substantially uniform, resulting in minimization of slippage of the object relative to the surface of the chuck during a deformation of the chuck due to the stress.
    Type: Application
    Filed: April 7, 2009
    Publication date: January 20, 2011
    Applicant: ASML Holding N.V.
    Inventors: Samir A. Nayfeh, Mark Edd Williams, Justin Matthew Verdirame