| 摘要 |
An electric contact using resin solder is connected to a printed circuit board without requiring soldering work. The circuit board has a conductor on a surface or in an intermediate layer thereof, and a through hole or a concaved part that penetrates the conductor. The electric contact includes a protruding part, which is inserted into the through hole or the concaved part, and a connecting part, which is connected to a conductor of a counterpart member such as a counterpart second circuit board. At least a part of the protruding part that connects to the conductor of the printed circuit board is made of a lead-free ultrahigh-conductive plastic resin composite. An electric connector includes the electric contact and an insulating housing, which holds the electric contact so that the protruding part and the connecting part thereof protrude outwardly.
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