Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 31, 2021
Patent Application Number
20190723
Date Filed
July 23, 2019
Patent 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.
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