Patents by Inventor Holger Nitsch

Holger Nitsch 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).

  • Method and device for working materials using plasma-inducing laser radiation
    Patent number: 5869805
    Abstract: A process for material working with plasma induced by high-energy radiati especially laser radiation, in which the radiation originating from the region of the workpiece is observed along the axis of the laser radiation focused along the axis on the workpiece as a function of the time. To obtain a measure of the penetration depth of the vapor capillary in the workpiece the process is so carried out that exclusively the cross section of the vapor capillary is observed with a depth of field encompassing the entire workpiece thickness, and that the mean value of the intensity of the plasma radiation is used as a measure of the penetration depth.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: February 9, 1999
    Assignee: Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V.
    Inventors: Eckhard Beyer, Jorg Beersiek, Wolfgang Schulz, Holger Nitsch, Peter Abels