Patent ID: 6313527
Filing Date: 2001-11-06
Classification: H01L

Abstract:
A dual-dies packaging structure comprising:a lead frame, which comprises a die pad and a plurality of lead legs;a first die, which comprises a first front side having a plurality of first bonding pads, and is fixed to the die pad through its backside, wherein the die pad comprises a first surface used to hold the first die;a second die, which comprises a second front side having a plurality of second bonding pads, and is fixed to the die pad through its backside, wherein the first die is identical to the second die, and the die pad comprises a second surface, which opposites to the first surface holds the second die;a bumping redistribution structure layer located on the second front side of the second die so as to respectively redistribute the second bonding pads to a plurality of pseudo-bonding pads, which are respectively closely located at mirror symmetric locations of the first bonding pads, wherein the first binding pads and the pseudo-bonding pads having similar function are closely grouped together; anda plurality of bonding wires, being put on to electrically connect the first bonding pads and the pseudo-bonding pads to the corresponding lead legs with a simple connection layout.