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. 31, 2021
Filed:
Jul. 23, 2019
Applicant:
Showa Denko K.k., Tokyo, JP;
Inventor:
Daisuke Muto, Hikone, JP;
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);
Abstract
A crystal growth apparatus, comprising a crucible, a heat-insulating material which covers a circumference of the crucible, and a heating member which is located on the outside of the heat-insulating material and is configured to perform induction heating of the crucible, wherein the heat-insulating material has a movable part, wherein the movable part forms an opening in the heat-insulating material by the movement of the movable part to control an opening ratio of the opening in the heat-insulating material.