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. 02, 2014
Filed:
Jan. 23, 2009
Applicants:
Byoung Moon Moon, Seoul, KR;
Je Sik Shin, Goyang-si, KR;
Kyu Suk Choi, Gwacheon-si, KR;
Inventors:
Assignees:
Korea Institute of Industrial Technology, Cheonan-Si, KR;
KCC Corporation, Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 6/00 (2006.01); H01L 31/18 (2006.01); C01B 33/02 (2006.01);
U.S. Cl.
CPC ...
H01L 31/182 (2013.01); C01B 33/02 (2013.01); Y02E 10/546 (2013.01);
Abstract
Disclosed are a method and an apparatus for fabricating solar-grade high purity polycrystalline silicon compacts. Silicon compacts are fabricating by loading polycrystalline silicon powders into a mold without addition of binders in a vacuum atmosphere, and pressurizing and heating the polycrystalline silicon powders. Heating method includes a high-frequency induction heating type, an Ohmic heating type, and a high current supply type.