The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 21, 2016
Filed:
Apr. 26, 2012
Bernhard Freudenberg, Coburg, DE;
Sara Grützner, Wilthen, DE;
Marc Dietrich, Grossschirma, DE;
Kaspars Dadzis, Freiberg, DE;
Andreas Krause, Radebeul, DE;
Bianca Gründig-wendrock, Marienberg-Gebirge, DE;
Doreen Nauert, Grossschirma, DE;
Matthias Trempa, Erlangen, DE;
Christian Reimann, Münchaurach, DE;
Jochen Friedrich, Eckental, DE;
Bernhard Freudenberg, Coburg, DE;
Sara Grützner, Wilthen, DE;
Marc Dietrich, Grossschirma, DE;
Kaspars Dadzis, Freiberg, DE;
Andreas Krause, Radebeul, DE;
Bianca Gründig-Wendrock, Marienberg-Gebirge, DE;
Doreen Nauert, Grossschirma, DE;
Matthias Trempa, Erlangen, DE;
Christian Reimann, Münchaurach, DE;
Jochen Friedrich, Eckental, DE;
SolarWorld Innovations GmbH, Freiberg/Sashsen, DE;
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., München, DE;
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.