Patents by Inventor Andre SCHMÖKEL

Andre SCHMÖKEL 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).

  • Copper plating bath composition
    Patent number: 9551080
    Abstract: The present invention relates to aqueous acidic plating baths for copper and copper alloy deposition in the manufacture of printed circuit boards, IC substrates, semiconducting and glass devices for electronic applications. The plating bath according to the present invention comprises copper ions, at least one acid and an ureylene polymer comprising amino residues on both termini and which is free of organically bound halogen. The plating bath is particularly useful for filling recessed structures with copper and build-up of pillar bump structures.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: January 24, 2017
    Assignee: Atotech Deutschland GmbH
    Inventors: Heiko Brunner, Bernd Roelfs, Agnieszka Witczak, Lars Kohlmann, Olivier Mann, Christian Ohde, Timo Bangerter, Angelo Ferro, Andreas Kirbs, Andre Schmökel, Dirk Rohde, Stefanie Ackermann
  • COPPER PLATING BATH COMPOSITION
    Publication number: 20150299883
    Abstract: The present invention relates to aqueous acidic plating baths for copper and copper alloy deposition in the manufacture of printed circuit boards, IC substrates, semiconducting and glass devices for electronic applications. The plating bath according to the present invention comprises copper ions, at least one acid and an ureylene polymer comprising amino residues on both termini and which is free of organically bound halogen. The plating bath is particularly useful for filling recessed structures with copper and build-up of pillar bump structures.
    Type: Application
    Filed: November 12, 2013
    Publication date: October 22, 2015
    Inventors: Heiko BRUNNER, Bernd ROELFS, Agnieszka WITCZAK, Lars KOHLMANN, Olivier MANN, Christian OHDE, Timo BANGERTER, Angelo FERRO, Andreas KIRBS, Andre SCHMÖKEL, Dirk ROHDE, Stefanie ACKERMANN