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:
Mar. 19, 2019
Filed:
Oct. 02, 2017
Applicant:
Sumco Corporation, Tokyo, JP;
Inventors:
Assignee:
SUMCO CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B 15/04 (2006.01); C30B 15/22 (2006.01); C30B 15/30 (2006.01); C30B 29/06 (2006.01);
U.S. Cl.
CPC ...
C30B 15/22 (2013.01); C30B 15/04 (2013.01); C30B 15/30 (2013.01); C30B 29/06 (2013.01);
Abstract
A smonocrystalline silicon include a straight body formed without generating a remelt growth area of 200 μm or more in a height in a growth direction. Growth striations, which are formed radially across the straight body, include a growth striation with an outer end interrupted by another growth striation not to reach a peripheral portion of the straight body. The remelt growth area has the growth striation with the interrupted outer end.