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:
Jan. 19, 2016
Filed:
Dec. 29, 2011
Andreas Krause, Radebeul, DE;
Bernhard Freudenberg, Coburg, DE;
Gerd Fischer, Dohna OT Borthen, DE;
Josef Stenzenberger, Freiberg, DE;
Mark Hollatz, Dresden, DE;
Armin Müller, Freiberg, DE;
Andreas Krause, Radebeul, DE;
Bernhard Freudenberg, Coburg, DE;
Gerd Fischer, Dohna OT Borthen, DE;
Josef Stenzenberger, Freiberg, DE;
Mark Hollatz, Dresden, DE;
Armin Müller, Freiberg, DE;
SolarWorld Innovations GmbH, Freiberg/Sachen, DE;
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 nucleation agent to assist a heterogeneous nucleation in the silicon melt, and control of the temperature in the container for the directed solidification of the silicon melt, the nucleation agent comprising nanoscale particles.