| 简介 |
PROBLEM TO BE SOLVED : To provide a rare-earth bonded magnet, having superior corrosion resistance and high characteristic in the metal-plated rare-earth bonded magnet. SOLUTION : Into a molded body base, in which a compound mixing a binder with rare-earth magnet powders is compressed and molded to be cured, a liquid resin binder into which magnetic powders having a particle smaller in size than a base part having the same compound as the base are mixed is permeated and coated, or impregnated vacuum, whereby the magnetic powder having small particle sizes are made to adhere to a front layer, and thereafter subjected to metal plating, so that it becomes possible to provide a bonded magnet having high corrosion resistance and high characteristics. |
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