| 摘要 |
PROBLEM TO BE SOLVED: To provide a material with high electric conductivity to a gap in a high adhesiveness state. SOLUTION: The vibration generator 10 is provided with an inner side magnetic pole 1 magnetized in a space formed with a direct current magnetic field, and an outer side magnetic pole 2 provided in an outer side of the inner side magnetic pole 1 and magnetized in a magnetic pole different from the inner side magnetic pole 1. Substantially whole areas of surfaces of the inner side magnetic pole 1 and the outer side magnetic pole 2 are plated by a conductor material C having higher electric conductivity than electric conductivity of a material forming the inner side magnetic pole 1 and the outer side magnetic pole 2. COPYRIGHT: (C)2004,JPO&NCIPI
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