METHOD FOR PRODUCING BISMUTH-SUBSTITUTED RARE EARTH IRON GARNET SINGLE CRYSTAL FILM

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PROBLEM TO BE SOLVED : To provide a production method which, in growing a bismuth-substituted rare earth iron garnet single crystal film by an LPE process on a nonmagnetic garnet substrate of a 3.5 to 5.0 inch diameter, can improve the growth yield and processing yield of a magnetic garnet film by preventing the substrate from being cracked during growth and reducing the warpage of the substrate after growth. SOLUTION : The method for producing the bismuth-substituted rare earth iron garnet single crystal film comprises using a nonmagnetic garnet substrate having a size of 3.5 to 5.0 in. and a thickness of 0.8 to 1.20 mm as the substrate. COPYRIGHT : (C)2006, JPO&NCIPI