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:
May. 07, 2019
Filed:
Jan. 10, 2018
Fujikoshi Machinery Corp., Nagano, JP;
Shinshu University, Nagano, JP;
Keigo Hoshikawa, Nagano, JP;
Yasuyuki Fujiwara, Nagano, JP;
Keiichi Kohama, Aichi-ken, JP;
Shinji Nakanishi, Aichi-ken, JP;
Takumi Kobayashi, Nagano, JP;
Etsuko Ohba, Nagano, JP;
FUJIKOSHI MACHINERY CORP., Nagano, JP;
SHINSHU UNIVERSITY, Nagano, JP;
Abstract
To provide a single crystal production apparatus that is capable of prolonging the lifetime of a heater, and capable of reducing the cost. A single crystal production apparatus of the present invention is the single crystal production apparatus which produces a single crystal of a metal oxide in an oxidative atmosphere, containing: a base body; a cylindrical furnace body having heat resistance disposed above the base body; a lid member occluding the furnace body; a heater disposed inside the furnace body; a high frequency coil heating the heater through high frequency induction heating; and a crucible heated with the heater, the heater containing a Pt-based alloy and having a zirconia coating on an overall surface of the heater.