Abstract: According to one embodiment, a semiconductor apparatus includes a substrate, a first semiconductor device, a circuit pattern, and a potential unit. The substrate includes a first insulating layer and a second insulating layer stacked with the first insulating layer. The first semiconductor device is provided on a side of the first insulating layer opposite to the second insulating layer side. The circuit pattern is provided between the first insulating layer and the second insulating layer. The potential unit is provided between the first insulating layer and the second insulating layer. The potential unit is connected to ground or a power source.

Abstract: A semiconductor device according to an aspect of the present invention comprises a package board having first and second surfaces, first external terminals on the first surface which are arranged in matrix, and second external terminals on the first surface which are arranged apart from the first external terminals. Each of the second external terminals includes first and second through holes which extend from the first surface to the second surface, and a metal layer on the first surface which is provided between the first and second through holes. The metal layer passes through the first and second through holes to the second surface.