Patents by Inventor Kersten Schaefer

Kersten Schaefer 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).

  • Publication number: 20020187035
    Abstract: The invention concerns an arrangement for wafer inspection, having a device (3) for transporting the wafers (S) from a transfer station (5) to at least one inspection station (7, 9). For transportation of the wafers (S), the device (3) comprises a feeder (4), rotatable about a rotation axis (Z), having at least one wafer support (14) whose position is pivotable, with the rotation of the feeder (4), between the transfer station (5) and inspection station (7, 9); and a drive device (18) that is coupled to the feeder (4) and with the activation of which the feeder (4) is caused to rotate through a predefined reference rotation angle.
    Type: Application
    Filed: April 29, 2002
    Publication date: December 12, 2002
    Applicant: LEICA MICROSYSTEMS JENA GmbH
    Inventors: Kersten Schaefer, Karsten Urban, Frank Bernhardt, Joachim Wienecke