| 摘要 |
PROBLEM TO BE SOLVED: To provide the manufacturing method of a magnet to obtain the magnet having sufficiently excellent anti-corrosion property. SOLUTION: In the manufacturing method of a magnet, an anode material and a cathode material including a magnetic raw material having conductivity are soaked into the aqueous solution of electrolyte, and a current is applied across these anode and cathode materials. Accordingly, a magnet where a dense protection layer is formed on the surface of the magnet raw material can be obtained. Existence of this protection layer enables the magnet to show sufficiently excellent anti-corrosion property. COPYRIGHT: (C)2006,JPO&NCIPI
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