| 摘要 |
A terminal and a covered electric wire are pressed by a groove portion of a first member and a protruding portion of a second member, after which ultrasonic vibration is applied to bring the terminal and the covered electric wire into electric conduction therebetween, thereby ensuring the connection therebetween. A block portion is provided in the groove portion of the first member and the protruding portion which is to be fitted into the groove portion is provided with respect to the second member. The block portion and the protruding portion are each made of resin having a smaller coefficient of linear expansion, thereby making small the amount of shrinkage resulting from natural cooling after application of ultrasonic vibration and thereby ensuring the contact pressure of the terminal with core wires of the covered electric wire.
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