Patents by Inventor Doreen NAUERT

Doreen NAUERT 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).

  • Device and method for producing silicon blocks
    Patent number: 9371597
    Abstract: Device for producing silicon blocks for photovoltaic applications, comprising a container for receiving a silicon melt with a base wall and at least one side wall, means for reducing the diffusion of impurities from at least one of the walls of the container into the silicon melt, wherein the means for reducing the diffusion of impurities comprise at least one covering element for the at least partial covering of at least one of the walls of the container.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: June 21, 2016
    Assignees: SolarWorld Innovations GmbH, Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
    Inventors: Bernhard Freudenberg, Sara Grützner, Marc Dietrich, Kaspars Dadzis, Andreas Krause, Bianca Gründig-Wendrock, Doreen Nauert, Matthias Trempa, Christian Reimann, Jochen Friedrich
  • DEVICE AND METHOD FOR PRODUCING SILICON BLOCKS
    Publication number: 20130065032
    Abstract: Device for producing silicon blocks for photovoltaic applications, comprising a container for receiving a silicon melt with a base wall and at least one side wall, means for reducing the diffusion of impurities from at least one of the walls of the container into the silicon melt, wherein the means for reducing the diffusion of impurities comprise at least one covering element for the at least partial covering of at least one of the walls of the container.
    Type: Application
    Filed: April 26, 2012
    Publication date: March 14, 2013
    Inventors: Bernhard FREUDENBERG, Sara GRUTZNER, Marc DIETRICH, Kaspars DADZIS, Andreas KRAUSE, Bianca GRÜNDIG-WENDROCK, Doreen NAUERT, Matthias TREMPA, Christian REINMANN, Jochen FRIEDRICH
  • METHOD FOR PRODUCING A SILICON INGOT
    Publication number: 20120175553
    Abstract: Method for producing a silicon ingot comprising the following steps: providing a container to receive a silicon melt, providing a temperature control device to control the temperature of the silicon melt in the container, arranging raw material in the container comprising silicon and at least one hydrogen-containing additive to reduce the formation of dislocations, and control of the temperature in the container (3) for the directed solidification of the silicon melt.
    Type: Application
    Filed: January 11, 2012
    Publication date: July 12, 2012
    Inventors: Andreas Krause, Matthias Wagner, Josef Stenzenberger, Thomas Richter, Gerd Fischer, Mark Hollatz, Silvio Stute, Christian Kusterer, Doreen Nauert, Stefan Proske
  • METHOD AND DEVICE FOR PRODUCING SILICON BLOCKS
    Publication number: 20120167817
    Abstract: A method for producing silicon blocks comprises providing a crucible for receiving a silicon melt, with a base and a plurality of side walls connected to the base, attaching nuclei at least on an inner side of the base of the crucible, the nuclei having a melt temperature, which is greater than the melt temperature of silicon, filling the crucible with the silicon melt, solidifying the silicon melt beginning on the nuclei and removing the solidified silicon from the crucible.
    Type: Application
    Filed: December 30, 2010
    Publication date: July 5, 2012
    Inventors: Bernhard FREUDENBERG, Marc DIETRICH, Mark HOLLATZ, Melanie HENTSCHE, Doreen NAUERT, Markus APEL
  • DEVICE AND METHOD FOR THE PRODUCTION OF SILICON BLOCKS
    Publication number: 20110239933
    Abstract: Device for the production of silicon blocks, the device comprising a vessel for receiving a silicon melt with a bottom, an inside, an outside and a central longitudinal axis and at least one support plate which is at least partially in direct contact with the bottom, and which forms a base together with the bottom, and means for generating an inhomogeneous temperature field on the inside of the bottom.
    Type: Application
    Filed: March 30, 2011
    Publication date: October 6, 2011
    Inventors: Bernhard FREUDENBERG, Günter RADEL, Matthias TREMPA, Kaspars DADZIS, Marc DIETRICH, Doreen NAUERT, Stefan PROSKE, Christian REIMANN, Jochen FRIEDRICH