Patents by Inventor Franz-Josef Mersch

Franz-Josef Mersch 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).

  • Process and device for measuring ions
    Patent number: 7220970
    Abstract: The invention relates to a method and a device for the measurement of ions by coupling different measurement methods/techniques, a first detector being a collector (17) and a second detector being an SEM (18), and the ions to be measured or resulting secondary particles being selectively delivered to the collector or the SEM. The SEM (18) is operated selectively in analog mode or count mode. The collector (17) is provided with an integrator.
    Type: Grant
    Filed: December 17, 2004
    Date of Patent: May 22, 2007
    Assignee: Thermo Electron (Bremen) GmbH
    Inventors: Lothar Rottmann, Gerhard Jung, Franz-Josef Mersch
  • Process and device for measuring ions
    Publication number: 20060151695
    Abstract: The invention relates to a method and a device for the measurement of ions by coupling different measurement methods/techniques, a first detector being a collector (17) and a second detector being an SEM (18), and the ions to be measured or resulting secondary particles being selectively delivered to the collector or the SEM. The SEM (18) is operated selectively in analog mode or count mode. The collector (17) is provided with an integrator.
    Type: Application
    Filed: December 17, 2004
    Publication date: July 13, 2006
    Inventors: Lothar Rottmann, Gerhard Jung, Franz-Josef Mersch