Patents by Inventor Alf Wachtveitl

Alf Wachtveitl 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).

  • Test apparatus with loading device
    Patent number: 7038441
    Abstract: The invention, which relates to a test apparatus with loading device which has a chuck, which is provided with a bearing surface for a test substrate and with a chuck drive, by means of which the chuck can be displaced with a working area, and which has a receiving means for receiving test substrates, which can be displaced from a working area of the chuck to a receiving position outside the working area, is based on the object of increasing the accuracy of the movement of the chuck. Moreover, in the case of test apparatus with a controlled atmosphere, a further object is to prevent the chuck from being exposed to the open-air atmosphere.
    Type: Grant
    Filed: October 2, 2003
    Date of Patent: May 2, 2006
    Assignee: SUSS MicroTec Testsystems GmbH
    Inventors: Karsten Stoll, Stefan Kreissig, Alf Wachtveitl, Michael Teich, Stefan Schneidewind, Claus Dietrich, Jorg Kiesewetter, Dietmar Runge
  • Test apparatus with loading device
    Publication number: 20040108847
    Abstract: The invention, which relates to a test apparatus with loading device which has a chuck, which is provided with a bearing surface for a test substrate and with a chuck drive, by means of which the chuck can be displaced with a working area, and which has a receiving means for receiving test substrates, which can be displaced from a working area of the chuck to a receiving position outside the working area, is based on the object of increasing the accuracy of the movement of the chuck. Moreover, in the case of test apparatus with a controlled atmosphere, a further object is to prevent the chuck from being exposed to the open-air atmosphere.
    Type: Application
    Filed: October 2, 2003
    Publication date: June 10, 2004
    Inventors: Karsten Stoll, Stefan Kreissig, Alf Wachtveitl, Michael Teich, Stefan Schneidewind, Claus Dietrich, Jorg Kiesewetter, Dietmar Runge