| 摘要 |
PROBLEM TO BE SOLVED: To provide a board equipped with a contact realizing both wear resistance of contacts and smoothness of the surface of the contacts and its manufacturing method. SOLUTION: The contact A contains conductive particles 10 and rigid particles 11, which latter are made to bite into a board 4 made of thermoplastic resin to do away with protrusion of the rigid particles from the surface of the contact A.
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