Substrate on which ball grid array type electrical part is mounted and method for mounting ball grid array type electrical part on substrate

摘要

In a substrate on which a ball grid allay type electrical part is mounted includes a substrate body, a normal land, an integrated land and a connection reinforcement section. The substrate body provided with a ball grid allay type electrical part. On the normal land, a normal electrode of the ball grid array type electrical part is connected. On the integrated land, a plurality of integrated electrodes of the ball grid allay type electrical part is connected. The connection reinforcement section connects to the integrated land to the substrate body