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:
Sep. 13, 2022
Filed:
Dec. 04, 2019
Applicant:
Showa Denko K.k., Tokyo, JP;
Inventors:
Assignee:
SHOWA DENKO K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B 35/00 (2006.01); C30B 23/06 (2006.01); C23C 14/24 (2006.01); C23C 14/06 (2006.01); C30B 29/36 (2006.01);
U.S. Cl.
CPC ...
C30B 23/066 (2013.01); C23C 14/0635 (2013.01); C23C 14/243 (2013.01); C30B 29/36 (2013.01); C30B 35/002 (2013.01);
Abstract
A crystal growing apparatus includes: a crucible including a main body portion and a low radiation portion having a radiation rate lower than that of the main body portion; and a heating unit which is positioned on the outside of the crucible and is configured to heat the crucible by radiant heat, and the low radiation portion is provided on an outer surface of a first point which is a heating center, in a case where the crucible does not include the low radiation portion.