METHOD OF COMBINING MAGNETIC ULTRA-FINE PARTICLES OF RARE-EARTH METAL

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PROBLEM TO BE SOLVED : To provide a method of combining magnetic ultrafine particles for creating a new material for the purpose of attaining high density in magnetic recording. SOLUTION : Fatty acid rare-earth metal salt or fatty acid transition metal salt is heated by microwaves in a glycerine solvent. The magnetic ultra-fine particles are SmCo5, for example. COPYRIGHT : (C)2007, JPO&INPIT