Patents by Inventor Juliane WALTER

Juliane WALTER 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).

  • Method for manufacturing a silicon monocrystal seed and a silicon-wafer, silicon-wafer and silicon solar-cell
    Patent number: 9447516
    Abstract: Within the scope of a Silicon-wafer making, in which a silicon monocrystal seed is arranged in the bottom region of a crucible, wherein the silicon monocrystal seed has a seed surface with a {110}-crystal orientation parallel to the bottom region of the crucible, in which liquid high-purity silicon is solidified, starting from the seed surface of the silicon monocrystal seed, and in which the silicon block is split into Silicon-wafers in such a manner that a wafer surface has a {100}-crystal orientation, wherein the silicon monocrystal seed is manufactured from a silicon monocrystal block, the block axis of which has a [110]-spatial orientation, wherein the silicon monocrystal block is cut-off for forming the seed surface of the silicon monocrystal seed with the {110}-crystal orientation parallel to the block axis.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: September 20, 2016
    Assignee: SOLARWORLD INNOVATIONS GMBH
    Inventors: Andreas Krause, Juliane Walter, Lamine Sylla
  • Method for producing silicon wafers, and silicon solar cell
    Patent number: 9109302
    Abstract: In order to produce silicon wafers, liquid ultra-pure silicon is solidified on a silicon monocrystalline seed arranged in the bottom area of a crucible and having a seed surface comprising a {110}-crystal orientation and an edge surface having a {100}-crystal orientation starting from the bottom of the crucible, thus forming a silicon block on the seed surface of the silicon monocrystalline seed which largely takes over the {110}-crystal orientation. Subsequently, the silicon block is divided into wafers with a wafer surface having a {100}-crystal orientation.
    Type: Grant
    Filed: June 7, 2011
    Date of Patent: August 18, 2015
    Assignee: SolarWorld Innovations GmbH
    Inventors: Andreas Krause, Juliane Walter, Marc Dietrich, Josef Stenzenberger
  • METHOD FOR MANUFACTURING A SILICON MONOCRYSTAL SEED AND A SILICON-WAFER, SILICON-WAFER AND SILICON SOLAR-CELL
    Publication number: 20140096822
    Abstract: Within the scope of a Silicon-wafer making, in which a silicon monocrystal seed is arranged in the bottom region of a crucible, wherein the silicon monocrystal seed has a seed surface with a {110}-crystal orientation perpendicular to the bottom region of the crucible, in which liquid high-purity silicon is solidified, starting from the seed surface of the silicon monocrystal seed, and in which the silicon block is split into Silicon-wafers in such a manner that a wafer surface has a {100}-crystal orientation, wherein the silicon monocrystal seed is manufactured from a silicon monocrystal block, the block axis of which has a [110]-spatial orientation, wherein the silicon monocrystal block is cut-off for forming the seed surface of the silicon monocrystal seed with the {110}-crystal orientation parallel to the block axis.
    Type: Application
    Filed: September 18, 2013
    Publication date: April 10, 2014
    Applicant: SOLARWORLD INNOVATIONS GMBH
    Inventors: Andreas KRAUSE, Juliane WALTER, Lamine SYLLA
  • Method for producing silicon wafers, and silicon solar cell
    Publication number: 20110297223
    Abstract: In order to produce silicon wafers, liquid ultra-pure silicon is solidified on a silicon monocrystalline seed arranged in the bottom area of a crucible and having a seed surface comprising a {110}-crystal orientation and an edge surface having a {100}-crystal orientation starting from the bottom of the crucible, thus forming a silicon block on the seed surface of the silicon monocrystalline seed which largely takes over the {110}-crystal orientation. Subsequently, the silicon block is divided into wafers with a wafer surface having a {100}-crystal orientation.
    Type: Application
    Filed: June 7, 2011
    Publication date: December 8, 2011
    Applicant: SOLARWORLD INNOVATIONS GMBH
    Inventors: Andreas KRAUSE, Juliane WALTER, Marc DIETRICH, Josef STENZENBERGER