PERMANENT MAGNET AND ITS MANUFACTURING METHOD, BONDING METHOD, AND BONDING STRUCTURE

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PROBLEM TO BE SOLVED : To impart a superior bonding property to a rare-earth sintered magnet having a metallic plating film. SOLUTION : Ultraviolet ray ozone is applied to a rare-earth sintered magnet wherein a metallic plating film, e. g. Ni plating film is formed on its surface. Through such the ultraviolet-ray irradiation, bonding blocking matters are removed from the surface of the metallic plating film, and the surface is reformed and the magnet is bonded. An acryl-based adhesive agent can be used for example. COPYRIGHT : (C)2006, JPO&NCIPI