Patents by Inventor Eugene N. Step

Eugene N. Step 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).

  • Plating bath analysis
    Publication number: 20020074244
    Abstract: Disclosed are methods for determining the quantity of leveler in an electroplating bath in the presence of other organic additives, such as accelerators, brighteners and suppressors. Such methods are fast, work over a broad concentration range of components and can be performed in real-time.
    Type: Application
    Filed: November 2, 2001
    Publication date: June 20, 2002
    Applicant: Shipley Company, L.L.C.
    Inventors: Wade Sonnenberg, Mark J. Kapeckas, David L. Jacques, Raymond Cruz, Leon R. Barstad, Elie H. Najjar, Eugene N. Step, Robert A. Binstead
  • Seed layer repair method
    Publication number: 20020000382
    Abstract: Disclosed are methods of repairing metal seed layers prior to subsequent metallization. Such repair methods provide metal seed layers disposed on a substrate that are substantially free of metal oxide and substantially free of discontinuities.
    Type: Application
    Filed: December 15, 2000
    Publication date: January 3, 2002
    Applicant: Shipley Company, L.L.C. of Marlborough
    Inventors: Denis Morrissey, David Merricks, Leon R. Barstad, Eugene N. Step, Jeffrey M. Calvert, Robert A. Schetty, James G. Shelnut, Mark Lefebvre, Martin W. Bayes, Donald E. Storjohann