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Magnetic powder
Provided are a SmFeN magnetic powder which is superior not only in water resistance and corrosion resistance but also in hot water resistance, and a method of preparing the powder. The present invention relates to a method of preparing a magnetic powder, comprising: plasma-treating a gas; surface-treating a SmFeN magnetic powder with the plasma-treated gas; and forming a coat layer on the surface of the surface-treated SmFeN magnetic powder.
Magnetic powder
Provided are a SmFeN magnetic powder which is superior not only in water resistance and corrosion resistance but also in hot water resistance, and a method of preparing the powder. The present invention relates to a method of preparing a magnetic powder, comprising: plasma-treating a gas; surface-treating a SmFeN magnetic powder with the plasma-treated gas; and forming a coat layer on the surface of the surface-treated SmFeN magnetic powder.
Magnetic powder
YOSHIMOTO RIEKO (Autor:in) / YAMANAKA SATOSHI (Autor:in) / TADA SHUICHI (Autor:in) / YOSHIWARA HIDEAKI (Autor:in)
25.07.2023
Patent
Elektronische Ressource
Englisch
Europäisches Patentamt | 2023
|New rare earth magnetic powder
British Library Online Contents | 1996