Title:
PRODUCTION OF ALUMINA SINGLE CRYSTALS
Document Type and Number:
Japanese Patent JPS5322196
Kind Code:
A
Abstract:
PURPOSE: To obtain single-crystal grains easily without requiring impact grinding, by forcing solid Al2O3 or Al(OH)3 to be inserted into Al2O3 melt, quenching the melt to the inside to form crystalline nuclei in all parts of the melt, caking it by cooling, and cracking it.
Inventors:
HASHIMOTO KAZUHIKO
SATOU KANJI
SHIOBARA YASUGO
MASUDA TAKESHI
SATOU KANJI
SHIOBARA YASUGO
MASUDA TAKESHI
Application Number:
JP9595076A
Publication Date:
March 01, 1978
Filing Date:
August 13, 1976
Export Citation:
Assignee:
SHOWA DENKO KK
International Classes:
C09K3/14; C01F7/02; C30B11/00; C30B29/20; (IPC1-7): C01F7/02