Patents by Inventor Helmut Schillalies

Helmut Schillalies 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).

  • Apparatus for determining the energy of charged particles
    Patent number: 3937957
    Abstract: In a device for measuring the energy of charged particles separated from a sample by bombardment with ionizing radiation, which device includes an energy analyzer and an electron lens system disposed between the sample location and the analyzer and including a charged particle deceleration path, the electron lens system is composed of two individual lenses producing an intermediate image between them, with the deceleration path being located between the two lenses to contain the plane of such intermediate image.
    Type: Grant
    Filed: June 18, 1974
    Date of Patent: February 10, 1976
    Assignee: Leybold-Heraeus-GmbH & Co.
    Inventors: Helmut Schillalies, Alfred Barz