| 摘要 |
<p>A retaining member (60) includes at least a leg portion (72, 82) having a latch portion (73, 83), a coupling portion (74, 84) and a spring portion (75, 85). When the spring portion is displaced, the coupling portion is twisted. Then, the latch portion and the coupling portion are inserted into the opening (34) so that an electric component (50) is retained on a main face (31a) of the substrate (31). In this state, a part of the latch portion is disposed at the periphery of the opening on a rear face (31b) of the substrate, a part of the coupling portion is disposed in the opening, and the spring portion is disposed on the main face of the substrate. Therefore, the retaining strength of the electric component to the substrate can be improved, and damage of a side wall of the opening can be decreased.
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