BOND MAGNET AND MANUFACTURING METHOD THEREOF

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PROBLEM TO BE SOLVED : To provide a highly reliable bond magnet for well controlling generation of rust and surely attaining excellent magnetic characteristic, and to provide a manufacturing method of the same.SOLUTION : The bond magnet 10 comprises magnetic powder 12 including rare earth element and a binding material 14 and is molded as a sheet magnet. The front surface 10A thereof is subjected to the front surface process through contact with the solution including alkylnaphthalenesulphonic acid.COPYRIGHT : (C)2006, JPO&NCIPI