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:
Apr. 30, 2013
Filed:
May. 11, 2007
Hee Young Kim, Daejeon, KR;
Kyung Koo Yoon, Daejeon, KR;
Yong Ki Park, Daejeon, KR;
Won Choon Choi, Daejeon, KR;
Won Wook SO, Daejeon, KR;
Hee Young Kim, Daejeon, KR;
Kyung Koo Yoon, Daejeon, KR;
Yong Ki Park, Daejeon, KR;
Won Choon Choi, Daejeon, KR;
Won Wook So, Daejeon, KR;
Korea Research Institute of Chemical Technology, Daejeon, KR;
Abstract
Disclosed are a method and an apparatus for preparing a polycrystalline silicon rod using a mixed core means, comprising: installing a first core means made of a resistive material together with a second core means made of silicon material in an inner space of a deposition reactor; electrically heating the first core means and pre-heating the second core by the first core means which is electrically heated; electrically heating the preheated second core means; and supplying a reaction gas into the inner space in a state where the first core means and the second core means are electrically heated for silicon deposition.