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:
Dec. 01, 2009
Filed:
Oct. 05, 2005
Applicant:
Toshiaki Fukuyama, Nara, JP;
Inventor:
Toshiaki Fukuyama, Nara, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/00 (2006.01); C01B 33/02 (2006.01); C01B 33/037 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a method for purifying silicon which comprises a step of blowing a treating gas generated by reacting carbon with an oxidized gas into a molten silicon, as well as silicon produced by the method. Carbon can be held in a container, the oxidized gas can be passed through the container, and the oxidized gas can contain at least one of water vapor and hydrogen.