Patents by Inventor Ansgar Matern

Ansgar Matern 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: 6798814
    Abstract: The invention relates to a gas discharge laser including a discharge tube (1), in which a gas is present and which has at least one aperture (19) through which a laser beam emerges or at which a laser beam is reflected. For withdrawing a partial amount of the gas contained in the discharge tube (1), at least one gas withdrawal point (9) is present, from which the withdrawn gas is supplied to a sintered filter (11) for being cleaned. The cleaned gas may be led in via at least one gas inlet point (27) in the zone of the aperture (19). The invention further relates to a method of operating a gas discharge laser, and the use of a sintered filter for cleaning gas withdrawn from a discharge tube (1) of a gas discharge laser.
    Type: Grant
    Filed: July 25, 2002
    Date of Patent: September 28, 2004
    Assignee: TuiLaser AG
    Inventors: Stephan Geiger, Claus Strowitzki, Tobias Pflanz, Ansgar Matern, Thomas Petracek, Martin Kappels, Andreas Goertler
  • Publication number: 20030039291
    Abstract: The invention relates to a gas discharge laser including a discharge tube (1), in which a gas is present and which has at least one aperture (19) through which a laser beam emerges or at which a laser beam is reflected. For withdrawing a partial amount of the gas contained in the discharge tube (1), at least one gas withdrawal point (9) is present, from which the withdrawn gas is supplied to a sintered filter (11) for being cleaned. The cleaned gas may be led in via at least one gas inlet point (27) in the zone of the aperture (19). The invention further relates to a method of operating a gas discharge laser, and the use of a sintered filter for cleaning gas withdrawn from a discharge tube (1) of a gas discharge laser.
    Type: Application
    Filed: July 25, 2002
    Publication date: February 27, 2003
    Inventors: Stephan Geiger, Claus Strowitzki, Tobias Pflanz, Ansgar Matern, Thomas Petracek, Martin Kappels, Andreas Goertler