Patents by Inventor Stefan Hilbrich

Stefan Hilbrich 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 for the production of a porous layer
    Patent number: 6413408
    Abstract: An interference filter having a layer with an area consisting of a porous material extending from the surface of the layer to the interior, the dimensions of the porous layer area in a direction normal to the layer surface have different values to provide for varying reflection or, respectively, transmission characteristics.
    Type: Grant
    Filed: June 19, 1999
    Date of Patent: July 2, 2002
    Assignee: Forschungszentrum Jülieh GmbH
    Inventors: Michael Berger, Michael Krüger, Markus Thönissen, Rüdiger Arens-Fischer, Hans Lüth, Walter Lang, Wolfgang Theiss, Stefan Hilbrich
  • A METHOD FOR THE PRODUCTION OF A POROUS LAYER
    Publication number: 20020074239
    Abstract: In an interference filter having a layer with an area consisting of a porous material extending from the surface of the layer to the interior, the dimensions of the porous layer area in a direction normal to the layer surface have different values to provide for varying reflection or, respectively, transmission characteristics.
    Type: Application
    Filed: June 19, 1999
    Publication date: June 20, 2002
    Inventors: MICHAEL BERGER, MICHAEL KRUGER, MARKUS THONISSEN, RUDIGER ARENS-FISCHER, HANS LUTH, WALTER LANG, WOLFGANG THEISS, STEFAN HILBRICH