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:
Oct. 04, 2016
Filed:
Jul. 16, 2010
Applicants:
Richard J. Phillips, St. Peters, MO (US);
Steven L. Kimbel, St. Charles, MO (US);
Aditya J. Deshpande, Chesterfield, MO (US);
Gang Shi, O'Fallon, MO (US);
Inventors:
Richard J. Phillips, St. Peters, MO (US);
Steven L. Kimbel, St. Charles, MO (US);
Aditya J. Deshpande, Chesterfield, MO (US);
Gang Shi, O'Fallon, MO (US);
Assignee:
MEMC Singapore Pte. Ltd., Singapore, SG;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C30B 11/00 (2006.01); C30B 15/10 (2006.01); C30B 29/06 (2006.01); C30B 35/00 (2006.01); C04B 35/584 (2006.01); F27D 1/00 (2006.01); B05D 7/22 (2006.01); C04B 35/626 (2006.01); C04B 35/634 (2006.01);
U.S. Cl.
CPC ...
C30B 11/002 (2013.01); C04B 35/584 (2013.01); C04B 35/6269 (2013.01); C04B 35/6342 (2013.01); C04B 35/63488 (2013.01); C30B 15/10 (2013.01); C30B 29/06 (2013.01); C30B 35/002 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/3225 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/656 (2013.01); C04B 2235/721 (2013.01); Y10T 428/24 (2015.01);
Abstract
Silicon nitride coated crucibles for holding melted semiconductor material and for use in preparing multicrystalline silicon ingots by a directional solidification process; methods for coating crucibles; methods for preparing silicon ingots and wafers; compositions for coating crucibles and silicon ingots and wafers with a low oxygen content.