摘要 |
A printed wiring board has an aperture with a continuous peripheral face. The aperture has a mounting hole portion and an insertion hole portion. The mounting hole portion is disposed adjacent to a side edge of the printed wiring board. The insertion hole portion is disposed between the mounting hole portion and the side edge of the printed wiring board. The insertion hole portion is spaced apart from the side edge of the printed wiring board by a distance that is at least equal to a thickness of the printed wiring board. |