Patents by Inventor Wilfred Endendijk

Wilfred Endendijk 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).

  • Lithographic optical system
    Publication number: 20050213060
    Abstract: A lithographic optical system is presented herein. The optical system comprises a housing with two optically transparent windows and at least one moveable lens therein, as well as at least one other optical element outside said housing. By providing at least one optical element outside the housing, possible deleterious influences thereof on the optical quality of the moveable lens may be diminished. The housing with the moveable lens may be purged, and may be provided with a linear motor and a gas bearing for contactless moving of the lens.
    Type: Application
    Filed: March 24, 2004
    Publication date: September 29, 2005
    Applicant: ASML Netherlands B.V.
    Inventors: Johannes Duisters, Johannes Adrianus Dams, Wilfred Endendijk