Method for Preparing Rare Earth Permanent Magnet Material

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The present invention refers to on the superconductor thin film to prevent R 1x (Fe 1-y Co y) 100-x-z-a B z M a (R 1 the Sc and Y and are an element of the rare earth including a) a anisotropic sintered magnet represented by, R 2 oxide, R 3 fluoride, R 4 for of (R 2, R 3, R 4 the Sc and Y and are an element of the rare earth including a) containing m hereinafter micro 100 particle diameter of the average and which has a powder processing said thickness variation is measured by, present in the surfaces of the magnet, said magnet and said powder of hydrogen gas to said atmosphere by the heat treatment including R 12 Fe 14 B type compound to causing the extraction of the methylated diacids are, in addition by the heat treatment recombination applied to said compound, said compound on micro 1 crystals while reduced to m hereinafter in addition said captured in the powder R 2, R 3, R 8880000 101888 to a magnet to absorb of rare earth permanent magnet material characterized by relates to manufacturing method.