Patents by Inventor Karl-Heinz Schartner

Karl-Heinz Schartner 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: 6870321
    Abstract: A high-frequency electron source includes a discharge chamber having at least one gas inlet for a gas to be ionized and at least one extraction opening for electrons. The high-frequency electron source also includes a first electrode at least partially surrounding the discharge chamber and a keeper electrode at least partially surround the discharge chamber. The first electrode and the keeper electrode are configured to provide a high-frequency electric field therebetween.
    Type: Grant
    Filed: April 9, 2003
    Date of Patent: March 22, 2005
    Assignee: Astrium GmbH
    Inventors: Karl-Heinz Schartner, Horst Loeb, Hans Juergen Leiter, Hans-Peter Harmann
  • Publication number: 20030209961
    Abstract: A high-frequency electron source includes a discharge chamber having at least one gas inlet for a gas to be ionized and at least one extraction opening for electrons. The high-frequency electron source also includes a first electrode at least partially surrounding the discharge chamber and a keeper electrode at least partially surround the discharge chamber. The first electrode and the keeper electrode are configured to provide a high-frequency electric field therebetween.
    Type: Application
    Filed: April 9, 2003
    Publication date: November 13, 2003
    Applicant: Astrium GmbH
    Inventors: Karl-Heinz Schartner, Horst Loeb, Hans Juergen Leiter, Hans-Peter Harmann