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:
Nov. 25, 2008
Filed:
May. 01, 2006
Mamoru Nakano, Yokkaichi, JP;
Yukio Yamaguchi, Yokkaichi, JP;
Teruhisa Kitagawa, Yokkaichi, JP;
Rikito Sato, Yokkaichi, JP;
Naoki Hatakeyama, Yokkaichi, JP;
Mamoru Nakano, Yokkaichi, JP;
Yukio Yamaguchi, Yokkaichi, JP;
Teruhisa Kitagawa, Yokkaichi, JP;
Rikito Sato, Yokkaichi, JP;
Naoki Hatakeyama, Yokkaichi, JP;
Mitsubishi Materials Corporation, Tokyo, JP;
Abstract
A polycrystalline silicon rod according to present invention has a structure for hanging of polycrystalline silicon rods to each other end-to-end, so that the efficiency of melting polycrystalline silicon can be increased considerably. A polycrystalline silicon rod obtained by entirely or partially removing a peripheral portion from the rod to leave a central portion, and processing the central portion, preferably, the peripheral portion is removed by grinding in an amount corresponding to 10 to 60% of the diameter of the rod, and then subjected to groove-forming processing. This makes annealing unnecessary.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile