Patents by Inventor Rolf Pfannkuchen

Rolf Pfannkuchen 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).

  • Layer stack for transparent substrates
    Patent number: 6783876
    Abstract: A layer stack for the surface coating of transparent substrates, in particular panes of glass, has at least one metal oxide composite layer produced by reactive cathodic sputtering and contains Zn oxide and Sn oxide. Relative to the total amount of metal, this metal oxide composite layer contains from 0.5 to 6.5% by weight of one or more of the elements Al, Ga, In, B, Y, La, Ge, Si, P, As, Sb, Bi, Ce, Ti, Zr, Nb and Ta. In a layer stack which has a silver layer as a functional layer, the metal oxide composite layer may be used as an upper and/or lower antireflection layer, as a diffusion barrier layer, as a sublayer of an antireflection layer and/or as an upper cover layer.
    Type: Grant
    Filed: January 30, 2003
    Date of Patent: August 31, 2004
    Assignee: Saint-Gobain Vitrage
    Inventors: Heinz Schicht, Uwe Schmidt, Wilfried Kaiser, Herbert Schindler, Rolf Pfannkuchen
  • Layer stack for transparent substrates
    Publication number: 20030143435
    Abstract: A layer stack for the surface coating of transparent substrates, in particular panes of glass, has at least one metal oxide composite layer produced by reactive cathodic sputtering and contains Zn oxide and Sn oxide. Relative to the total amount of metal, this metal oxide composite layer contains from 0.5 to 6.5% by weight of one or more of the elements Al, Ga, In, B, Y, La, Ge, Si, P, As, Sb, Bi, Ce, Ti, Zr, Nb and Ta. In a layer stack which has a silver layer as a functional layer, the metal oxide composite layer may be used as an upper and/or lower antireflection layer, as a diffusion barrier layer, as a sublayer of an antireflection layer and/or as an upper cover layer.
    Type: Application
    Filed: January 30, 2003
    Publication date: July 31, 2003
    Applicant: St. Gobrain, Vitrage
    Inventors: Heinz Schicht, Uwe Schmidt, Wilfried Kaiser, Herbert Schindler, Rolf Pfannkuchen
  • Layered stack for transparent substrates
    Patent number: 6541133
    Abstract: A layer stack for the surface coating of transparent substrates, in particular panes of glass, has at least one metal oxide composite layer produced by reactive cathodic sputtering and contains Zn oxide and Sn oxide. Relative to the total amount of metal, this metal oxide composite layer contains from 0.5 to 6.5% by weight of one or more of the elements Al, Ga, In, B, Y, La, Ge, Si, P, As, Sb, Bi, Ce, Ti, Zr, Nb and Ta. In a layer stack which has a silver layer as a functional layer, the metal oxide composite layer may be used as an upper and/or lower antireflection layer, as a diffusion barrier layer, as a sublayer of an antireflection layer and/or as an upper cover layer.
    Type: Grant
    Filed: June 22, 2000
    Date of Patent: April 1, 2003
    Assignee: Saint-Gobain Vitrage
    Inventors: Heinz Schicht, Uwe Schmidt, Wilfried Kaiser, Herbert Schindler, Rolf Pfannkuchen