US 12,188,147 B2
Single crystal, die for EFG apparatus, EFG apparatus, method for manufacturing single crystal, and method for manufacturing single crystal member
Akeo Fukui, Higashiomi (JP); and Masatoshi Harada, Okaya (JP)
Assigned to KYOCERA CORPORATION, Kyoto (JP)
Appl. No. 16/769,745
Filed by KYOCERA Corporation, Kyoto (JP)
PCT Filed Dec. 6, 2018, PCT No. PCT/JP2018/044971
§ 371(c)(1), (2) Date Oct. 13, 2020,
PCT Pub. No. WO2019/112016, PCT Pub. Date Jun. 13, 2019.
Claims priority of application No. 2017-235044 (JP), filed on Dec. 7, 2017.
Prior Publication US 2021/0017667 A1, Jan. 21, 2021
Int. Cl. C30B 15/34 (2006.01); C01F 7/02 (2022.01); C30B 29/20 (2006.01)
CPC C30B 15/34 (2013.01) [C01F 7/02 (2013.01); C30B 29/20 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A single crystal comprising a plate-shaped body having two main surfaces opposite to each other, wherein
the plate-shaped body comprises bubbles arranged in a plurality of line shapes parallel to the two main surfaces in a region within a depth of 0.3 mm from the two main surfaces.