Patents by Inventor Jurgen Spindler

Jurgen Spindler 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).

  • Combination of aqueous baths for electroless gold deposition
    Patent number: 5320667
    Abstract: The invention relates to a combination of aqueous baths for electroless gold deposition and, preferably, for the deposition of gold onto nickel and nickel alloy films. The combination consists of a preliminary bath and a primary bath and, optionally, a pickling solution and a pretreatment. The gold film which is obtained is chip-bondable and wire-bondable.
    Type: Grant
    Filed: March 25, 1993
    Date of Patent: June 14, 1994
    Assignee: Atotech Deutschland GmbH
    Inventors: Renate Gesemann, Jurgen Spindler, Falk Richter, Renate Broulik, Klaus Janotta, Robert Ruther, Manfred Dettke