Patent ID: 8330279

Claim:
A semiconductor device, comprising: a supporting board having a protection film and a first electrode pad thereon; a semiconductor chip provided on the supporting board and having a second electrode pad; a first internal connecting terminal formed on the first electrode pad of the supporting board outside of the semiconductor chip; a second internal connecting terminal formed on the second electrode pad of the semiconductor chip and having a top surface on a same plane as that of the first internal connecting terminal; a first insulation layer provided on the supporting board so as to cover the semiconductor chip, and the first and second internal connecting terminals; a wiring pattern provided on the first insulation layer, said wiring pattern connecting the first and second internal connecting terminals; a solder resist layer provided on the first insulation layer and the wiring pattern, said solder resist layer having an opening part; an external connecting terminal provided so as to connect to the wiring pattern through the opening part; a groove part provided so as to penetrate the protection film in a thickness direction thereof and formed in parts of the supporting board and the first insulation layer, the groove part being formed at lateral peripheries of the supporting board, the protection film, and the first insulation layer; and a resin layer formed in the groove part.