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. 20, 2022
Filed:
Aug. 22, 2019
Showa Denko K.k., Tokyo, JP;
Shunsuke Noguchi, Hikone, JP;
SHOWA DENKO K.K., Tokyo, JP;
Abstract
A crystal growth apparatus including: a heat source, a crucible including a container body in which a raw material can be received and a lid part on which a seed crystal can be mounted; a first heat insulating part which is disposed externally of the crucible and in which a first through-hole penetrating in a thickness direction is provided; a second heat insulating part which is disposed externally of the first heat insulating part and in which a second through-hole penetrating in a thickness direction is provided; a moving mechanism configured to move the first heat insulating part and the second heat insulating part relative to each other; and a radiation type temperature measuring unit configured to measure a temperature of the crucible via the first through-hole and the second through-hole.