| 摘要 |
PROBLEM TO BE SOLVED: To restrict a positional misalignment when a printed wiring board is electrically connected, and to connect with reliability. SOLUTION: A plurality of electrode terminals 8 provided in a first printed wiring board 2 at a predetermined pitch are electrically connected to electrode terminals 4 provided in a second printed wiring board 1 corresponding to the electrode terminals 8 via an anisotropic conductive film. On the side of each electrode terminal formation surface of the first printed wiring board 2 and the second printed wiring board 1, positioning dummy electrodes 10, 6 for positioning by mutual engagement are provided.
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