Patents by Inventor Franziska Wolny

Franziska Wolny 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).

  • Silicon block, method for producing the same, crucible of transparent or opaque fused silica suited for performing the method, and method for the production thereof
    Patent number: 9828691
    Abstract: A method for producing a solar crucible includes providing a crucible base body of transparent or opaque fused silica having an inner wall, providing a dispersion containing amorphous SiO2 particles, applying a SiO2-containing slip layer to at least a part of the inner wall by using the dispersion, drying the slip layer to form a SiO2-containing grain layer and thermally densifying the SiO2-containing grain layer to form a diffusion barrier layer. The dispersion contains a dispersion liquid and amorphous SiO2 particles that form a coarse fraction and a fine fraction with SiO2 nanoparticles. The weight percentage of the SiO2 nanoparticles based on the solids content of the dispersion is in the range between 2 and 15% by weight. The SiO2-containing grain layer is thermally densified into the diffusion barrier layer through the heating up of the silicon in the crystal growing process.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: November 28, 2017
    Assignee: Heraes Quarzglas GmbH & Co. KG
    Inventors: Christian Schenk, Gerrit Scheich, Nils-Christian Nielsen, Walter Lehmann, Bernhard Freudenberg, Kaspars Dadzis, Sandra Nadolny, Franziska Wolny, Gerd Fischer
  • SILICON BLOCK, METHOD FOR PRODUCING THE SAME, CRUCIBLE OF TRANSPARENT OR OPAQUE FUSED SILICA SUITED FOR PERFORMING THE METHOD, AND METHOD FOR THE PRODUCTION THEREOF
    Publication number: 20160032483
    Abstract: A method for producing a solar crucible includes providing a crucible base body of transparent or opaque fused silica having an inner wall, providing a dispersion containing amorphous SiO2 particles, applying a SiO2-containing slip layer to at least a part of the inner wall by using the dispersion, drying the slip layer to form a SiO2-containing grain layer and thermally densifying the SiO2-containing grain layer to form a diffusion barrier layer. The dispersion contains a dispersion liquid and amorphous SiO2 particles that form a coarse fraction and a fine fraction with SiO2 nanoparticles. The weight percentage of the SiO2 nanoparticles based on the solids content of the dispersion is in the range between 2 and 15% by weight. The SiO2-containing grain layer is thermally densified into the diffusion barrier layer through the heating up of the silicon in the crystal growing process.
    Type: Application
    Filed: August 4, 2015
    Publication date: February 4, 2016
    Inventors: Christian SCHENK, Gerrit SCHEICH, Nils-Christian NIELSEN, Walter LEHMANN, Bernhard FREUDENBERG, Kaspars DADZIS, Sandra NADOLNY, Franziska WOLNY, Gerd FISCHER
  • SOLAR CELL AND PROCESS FOR MANUFACTURING A SOLAR CELL
    Publication number: 20150107654
    Abstract: A solar cell includes a first dielectric layer on the shaded side of the solar cell; and a second dielectric layer on the first dielectric layer. The second dielectric layer includes Hydrogen and the Hydrogen content in the second dielectric layer is measured such that a refractive index of less than 2.0 results for the second dielectric layer.
    Type: Application
    Filed: October 2, 2014
    Publication date: April 23, 2015
    Inventors: Franziska Wolny, Gerd Fischer, Torsten Weber