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:
Jul. 29, 2014
Filed:
Nov. 03, 2010
Byung Moon Moon, Seoul, KR;
Je Sik Shin, Incheon, KR;
Tae U Yu, Seoul, KR;
Hyun Jin Koo, Siheung-si, KR;
Dong Ho Park, Seoul, KR;
Ho Moon Lee, Seoul, KR;
Byung Moon Moon, Seoul, KR;
Je Sik Shin, Incheon, KR;
Tae U Yu, Seoul, KR;
Hyun Jin Koo, Siheung-si, KR;
Dong Ho Park, Seoul, KR;
Ho Moon Lee, Seoul, KR;
Abstract
Disclosed is a system for refining UMG Si including a vacuum chamber, a cold crucible disposed within the vacuum chamber, a device disposed within the vacuum chamber to supply Si to the cold crucible, a steam plasma torch disposed above the cold crucible to apply steam plasma formed by introducing a reactive gas into plasma flame by an inert gas to the Si supplied to the cold crucible, and an impurity collector disposed above the cold crucible within the vacuum chamber to collect impurity gas generated in the cold crucible and discharge the collected impurity gas to the outside of the vacuum chamber.