Abstract: A semiconductor package includes a bottom substrate and a top substrate space apart from the bottom substrate such that the bottom substrate and the top substrate define a gap therebetween. A logic die is mounted on a top surface of the bottom substrate. The logic die has a thickness of 125-350 micrometers. A plurality of copper cored solder balls is disposed between the bottom substrate and the top substrate around the logic die to electrically connect the bottom substrate with the top substrate. A sealing resin fills into the gap between the bottom substrate and the top substrate and sealing the logic die and the plurality of copper cored solder balls in the gap.