| 摘要 |
PURPOSE: To provide a wiring board which enables easy and secure mounting and miniaturization. CONSTITUTION: A wiring board 7 fixed by soldering on a mother board is made of a laminate 25 formed of a plurality of stacked printed wiring boards. Each of the printed wiring board of the laminate 25 has a plurality of through-holes 26 which are formed continuously in the stacking direction on each lateral edge of the printed wiring board and have inner sides opened on the lateral edge, a conductive layer 27 which is formed on the inner side of the through-hole 26 and fixed by soldering on a contact portion 8 of the mother board 7, and a hole which is aligned with each printed wiring board and formed for locating a core. |
