Patent ID: 7639503

Claim:
A printed circuit board comprising: a printed wiring board including a first surface, a second surface, a first area and a second area; a circuit component fixed to one of the first and second surfaces in at least one of the first and second areas; a reinforcing plate secured to the other of the first and second surfaces in said at least one of the first and second areas; and a first fixing portion and a second fixing portion provided at the printed wiring board to fix the reinforcing plate to the printed wiring board, wherein: the reinforcing plate is fixed at a position corresponding to the circuit component; the first fixing portion is provided on a border line that defines the first and second areas, and the reinforcing plate is fixed to the printed wiring board by the first fixing portion; and the second fixing portion includes a pair of apertures arranged symmetrical with respect to the border line, the pair of apertures of the second fixing portion being situated along a first direction and are arranged symmetrical with respect to the border line that is oriented in a second direction and perpendicular to the first direction, the pair of apertures of the second fixing portion being situated between a pair of apertures being at least part of the first fixing portion.