METHOD FOR TREATING IRON GARNET SINGLE CRYSTAL, IRON GARNET SINGLE CRYSTAL, MICROWAVE DEVICE AND OPTIONAL DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a method for treating an iron garnet single crystal, by which magnetic characteristics and the transmissibility of a bulk iron garnet single crystal can be improved. SOLUTION: The method of treating the iron garnet single crystal comprises heat treating the grown bulk iron garnet single crystal at a temperature of >=1,000 and <=1,500 deg.C.