Patents by Inventor Norbert Luetzow

Norbert Luetzow 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).

  • Non-etching non-resist adhesion composition and method of preparing a work piece
    Patent number: 8945298
    Abstract: To achieve good adherence of a resist coating, more specifically a photo imageable resist coating, to a copper base while ensuring that the copper base being very thin is not compromised, a non-etching non-resist composition for the treatment of the copper base is provided, said composition comprising at least one adhesion agent selected from the group comprising (i) heterocyclic compounds comprising at least one thiol moiety and (ii) quaternary ammonium polymers having the following general chemical formula: {N+(R3)(R4)—(CH2)a—N(H)—C(Y)—N(H)—(CH2)b—N+(R3)(R4)—R5}n 2n X?, with R1, R2, R3, R4, R5, Y and X? being defined as claimed.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: February 3, 2015
    Assignee: Atotech Deutschland GmbH
    Inventors: Christian Sparing, Dirk Tews, Norbert Luetzow, Martin Thoms
  • Non-Etching Non-Resist Adhesion Composition and Method of Preparing a Work Piece
    Publication number: 20100323099
    Abstract: To achieve good adherence of a resist coating, more specifically a photo imageable resist coating, to a copper base while ensuring that the copper base being very thin is not compromised, a non-etching non-resist composition for the treatment of the copper base is provided, said composition comprising at least one adhesion agent selected from the group comprising (i) heterocyclic compounds comprising at least one thiol moiety and (ii) quaternary ammonium polymers having the following general chemical formula: {N+(R3)(R4)—(CH2)a—N(H)—C(Y)—N(H)—(CH2)b—N+(R3)(R4)—R5}n2n X?, with R1, R2, R3, R4, R5, Y and X? being defined as claimed.
    Type: Application
    Filed: February 27, 2009
    Publication date: December 23, 2010
    Applicant: Atotech Deutschland GmbH
    Inventors: Christian Sparing, Dirk Tews, Norbert Luetzow, Martin Thoms