Patent ID: 8780583

Claim:
A printed wiring board comprising: a board main body with an aperture, the aperture having a mounting hole portion and an insertion hole portion, the mounting hole portion being defined by a first edge on a rear face of the board main body, the insertion hole portion being defined by a second edge on the rear face of the board main body, the first and second edges forming a continuous peripheral edge of the aperture; and a solder land disposed on the rear face of the board main body along the continuous peripheral edge of the aperture except for along a part of the second edge of the insertion hole portion, the mounting hole portion of the board main body having a length measured in a first direction of the board main body, the length of the mounting hole portion being greater than a width of the mounting hole portion measured in a second direction of the board main body with the second direction being perpendicular to the first direction, the length of the mounting hole portion being greater than a dimension of the insertion hole portion measured in the first direction of the board main body, the insertion hole portion extending from a middle portion of the mounting hole portion in the first direction of the board main body towards a side edge of the board main body.