Patents by Inventor Duane E Allen

Duane E Allen 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: 7410919
    Abstract: A system for of aligning a mask to a substrate comprising: a fixture for holding the mask and the substrate in fixed positions relative to each other; means for holding the substrate, the means for holding the substrate protruding through openings in a table and the fixture, the means for holding fixedly mounted on a stage, the stage moveable in first and second directions and rotatable about an axis relative to the table; means for affixing the fixture containing the mask and the substrate to the table; means for controlling the means for temporarily affixing so as to generate a uniform force around a perimeter of the fixture to effectuate the temporarily affixing; means for aligning the mask to the substrate, the means for aligning controlling movement of the stage in the first and second directions and rotation about the axis; and means for fastening the fixture together.
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: August 12, 2008
    Assignee: International Business Machines Corporation
    Inventors: Duane E Allen, Brian K Burnor, Thomas A Dotolo, Leonard J Gardecki, William L Hammond, Kibby B Horsford, Charles R Ramsey