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. 15, 2014
Filed:
Sep. 17, 2010
Applicants:
Yasuo Ookubo, Sammu, JP;
Hiroshi Nagata, Sammu, JP;
Inventors:
Yasuo Ookubo, Sammu, JP;
Hiroshi Nagata, Sammu, JP;
Assignee:
ULVAC, Inc., Chigasaki-Shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
H05F 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The silicon purification method uses a silicon purification device including at least a crucible for loading a silicon metal and a plasma torch, and purifies the silicon metal by injecting a plasma gas from the plasma torch toward a melt surface of the silicon metal loaded in the crucible in a state where an angle formed by the melt surface and the plasma gas is set in the range of 20° to 80°.
Quick Actions:
Ookubo, Yasuo. (2014). Silicon purification method and silicon purification device (U.S. Patent No. 8778143). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8778143
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile