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:
Aug. 11, 2015
Filed:
Mar. 12, 2012
Applicants:
Rodolfo Bovo, Merano, IT;
Paolo Molino, Merano, IT;
Inventors:
Rodolfo Bovo, Merano, IT;
Paolo Molino, Merano, IT;
Assignee:
MEMC Electronics Materials S.p.A., Novara, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24B 49/12 (2006.01); B24B 41/06 (2012.01); B24B 1/00 (2006.01); B24B 19/00 (2006.01); B24B 7/16 (2006.01);
U.S. Cl.
CPC ...
B24B 49/12 (2013.01); B24B 7/16 (2013.01); B24B 19/009 (2013.01);
Abstract
A method for machining a profile into a silicon seed rod using a machine. The silicon seed rod is capable of being used in a chemical vapor deposition polysilicon reactor. The machine includes a plurality of grinding wheels. The method includes grinding a v-shaped profile into a first end of the silicon seed rod with one of the plurality of grinding wheels and grinding a conical profile in a second end of the silicon seed rod with another of the plurality of grinding wheels.