Connection portion the connection portion being formed on the die mounting surface of the substrate the connection portion being formed both on the die mounting surface of the substrate and outside the die mounting surface of the substrate being a ball array, e.g. BGA
Connection portion the connection portion being formed on the die mounting surface of the substrate the connection portion being formed both on the die mounting surface of the substrate and outside the die mounting surface of the substrate being a ball array, e.g. BGA