| 摘要 |
PURPOSE:To perform positioning easily and effectively by providing a first positioning and connecting mechanism on the opposed faces of a base an an insulating board, and a second positioning and connecting mechanism on the opposed faces of the board and an electrode member. CONSTITUTION:A first positioning and connecting mechanism 13 for connecting an insulating board 2 to a base 1 in a state of a predetermined mounting position is provided on opposed faces, and a second positioning and connecting mechanism 14 for connecting an electrode member 3 to the board 2 in a state of a predetermined mounting position is provided on the opposed faces of the board 2 and the member 3. The board 2 is positioned on the base 1 and the member 3 is positioned on the board 2 in case of solder securing by connecting the protrusions 13a, 14a to recesses 13b, 14b. Thus, it can be easily and accurately conducted.
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