Patents by Inventor Michael Heckmann

Michael Heckmann 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: 6790332
    Abstract: A method for galvanically depositing nickel, cobalt, nickel alloys or cobalt alloys in a galvanic bath includes using electrolytes containing nickel compounds or cobalt compounds. At least one anode and at least one cathode of the bath are subject to periodic current pulses. The IA/IC ratio of the anode current density IA to the cathode current density IC is selected to be greater than 1 and smaller than 1.5, where the anode current density IA and the cathode current density IC are defined as current densities with respect to a deposition body on which deposition occurs during the application of periodic current pulses where the deposition body serves as anode and cathode respectively. The charge ratio QA/QC=TAIA/TCIC of the charge QA, transported during anode pulse of duration TA, to the charge QC transported during a cathode pulse of duration TC, is between 30% and 45%.
    Type: Grant
    Filed: December 7, 2001
    Date of Patent: September 14, 2004
    Assignee: Astrium GmbH
    Inventors: Rüdiger Ewald, Peter Filke, Michael Heckmann, Wolflgang Keinath, Günter Langel, Anton Schmidt
  • Publication number: 20020084190
    Abstract: A method for galvanically depositing nickel, cobalt, nickel alloys or cobalt alloys in a galvanic bath includes using electrolytes containing nickel compounds or cobalt compounds. At least one anode and at least one cathode of the bath are subject to periodic current pulses. The IA/IC ratio of the anode current density IA to the cathode current density IC is selected to be greater than 1 and smaller than 1.5. The charge ratio QA/QC=TAIA/TCIC of the charge QA, transported during an anode pulse of duration TA, to the charge QC transported during a cathode pulse of duration TC , is between 30 and 45. A bath for carrying out the method may have contoured anodes, current restrictors, a cleaning device for the electrolyte, and a circulating device with recycling of the electrolyte through nozzles.
    Type: Application
    Filed: December 7, 2001
    Publication date: July 4, 2002
    Inventors: Rudiger Ewald, Peter Filke, Michael Heckmann, Wolflgang Keinath, Gunter Langel, Anton Schmidt