| 摘要 |
The objectives of the present invention include to mount an electric contact or an electric connector on a printed circuit board without conducting the soldering work, and to make mounting the electric contact on a printed circuit board by an automatic machine even when the electric contact is microminiaturized. The electric contact using resin solder according to the present invention is connected to a printed circuit board, which has a conductor being provided on the surface or in an intermediate layer and a through hole or a concaved part, which penetrates the conductor. This electric contact comprises a protruding part, which is inserted into the through hole or the concaved part, and a connecting part, which is connected to the conductor of the counterpart member. At least the part of the protruding part, which connects to the conductor of the printed circuit board, is made of a lead-free ultrahigh-conductive plastic being a conductive resin composite. The electric connector comprises the electric contact and an insulating housing, which holds the electric contact so that the protruding part and the connecting part thereof protrude outwards.
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