| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a rare earth magnet having a protective layer that can provide sufficient water resistance, and to provide a rare earth magnet obtained by the method. <P>SOLUTION: The method for manufacturing the rare earth magnet comprising a magnet body containing a rare earth element and a protective layer formed on the surface of the magnet body includes: a first step in which a zinc compound soluble in an alkaline solution is dissolved in an alkali silicate solution to obtain a treatment solution; a second step in which the treatment solution is made to adhere to the surface of the magnet body; and a third step in which the treatment solution adhering to the magnet body surface is cured to form a protective layer comprising the cured product of the treatment solution. <P>COPYRIGHT: (C)2009,JPO&INPIT |
