Patents by Inventor Robert Wistrela

Robert Wistrela 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).

  • System and method including a prealigner
    Patent number: 7723710
    Abstract: A system and method for prealigning a substrate. One embodiment provides a rotor configured to rotate a carrier around a rotation axis in response to a rotation signal. The carrier includes a main surface substantially perpendicular to the rotation axis. The substrate is disposable on the carrier. The substrate includes a main surface and a mark such that an orientation of the substrate with respect to the rotation axis is detectable. An electromagnetic radiation source is configured to illuminate the main surface of the substrate with electromagnetic radiation. An optical/electrical converter is responsive to the electromagnetic radiation reflected back from the main surface, detecting the mark of the substrate and providing a sensing signal. A controller is configured to receive the sensing signal and providing the rotation signal.
    Type: Grant
    Filed: January 30, 2008
    Date of Patent: May 25, 2010
    Assignee: Infineon Technologies AG
    Inventors: Josef Campidell, Robert Wistrela, Horst Kittner, John Cooper
  • SYSTEM AND METHOD INCLUDING A PREALIGNER
    Publication number: 20090189054
    Abstract: A system and method for prealigning a substrate. One embodiment provides a rotor configured to rotate a carrier around a rotation axis in response to a rotation signal. The carrier includes a main surface substantially perpendicular to the rotation axis. The substrate is disposable on the carrier. The substrate includes a main surface and a mark such that an orientation of the substrate with respect to the rotation axis is detectable. An electromagnetic radiation source is configured to illuminate the main surface of the substrate with electromagnetic radiation. An optical/electrical converter is responsive to the electromagnetic radiation reflected back from the main surface, detecting the mark of the substrate and providing a sensing signal. A controller is configured to receive the sensing signal and providing the rotation signal.
    Type: Application
    Filed: January 30, 2008
    Publication date: July 30, 2009
    Applicant: INFINEON TECHNOLOGIES AG
    Inventors: Josef Campidell, Robert Wistrela, Horst Kittner, John Cooper