Patents by Inventor Eggo Sichmann

Eggo Sichmann 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 for coating a substrate with electrically conductive materials
    Patent number: 5006213
    Abstract: A DC source 10 is connected to an electrode 5 disposed in a coating chamber 15a which can be evacuated and this electrode is electrically connected to an aluminum target 3 which is sputtered by introduction of a process gas and the sputtered particles deposited onto a plastic substrate. During the coating process hydrogen and/or water vapor are supplied to the cathode area from a container 32 via a system of pipes 30 to increase the adhesive strength of the sputtered layer 2 on the substrate 1.
    Type: Grant
    Filed: August 31, 1989
    Date of Patent: April 9, 1991
    Assignee: Leybold Aktiengesellschaft
    Inventors: Eggo Sichmann, Thomas Krug, Stephan Kempf