HEXAGONAL PLATE SHAPED FERRITE POWDER, MANUFACTURING METHOD THEREOF, AND RESIN COMPOUND AND MOLDED PRODUCT USING THE FERRITE POWDER
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United States of America Patent
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Jan 21, 2016
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Jan 22, 2015
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Abstract
Objects are to provide a ferrite powder having a residual magnetization and a coercive force larger than those of spherical hard ferrite particle, and magnetic permeability μ″ is maximum in a specific frequency range, a manufacturing method thereof, a resin compound containing the ferrite powder, and a molded product made from the resin compound. To achieve the objects, a hexagonal plate shaped ferrite powder containing 7.8 to 9 wt % of Sr, 61 to 65 wt % of Fe, and 0.1 to 0.65 wt % of Mg, a manufacturing method thereof, a resin compound containing the hexagonal plate shaped ferrite powder, and a molded product made from the resin compound are employed.
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