Patents by Inventor Baby S. Schreinemacher

Baby S. Schreinemacher 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).

  • Multilayer capacitor comprising tungsten-containing BaTiO.sub.3
    Patent number: 5889647
    Abstract: A capacitor comprising a ceramic dielectric material and at least two electrodes, said dielectric material essentially consisting of a dielectric composition with a doped barium-calcium-zirconium-titanate, said doped barium-calcium-zirconium-titanate having the compositionBa.sub.0.96 Ca.sub.0.04).sub.a ?Ti.sub.0.82-y Zr.sub.0.18 Mn.sub.y !O.sub.3 ,wherein 0.001.ltoreq.y.ltoreq.0.01, 1.00<a.ltoreq.1.02 and being doped with tungsten in a quantity r of 0.001 to 0.005 mol/formula unit and with at least one element A of the group formed by aluminium, gallium, yttrium, zinc, nickel and ytterbium in a quantity s of 0.001 to 0.005 mol/formula unit.
    Type: Grant
    Filed: August 26, 1997
    Date of Patent: March 30, 1999
    Assignee: U.S. Philips Corporation
    Inventors: Peter Hansen, Detlev Hennings, Baby S. Schreinemacher