Patent ID: 7692311

Claim:
A POP (Package-On-Package) semiconductor device comprising: a first semiconductor package including a first encapsulant, at least a first chip encapsulated inside the first encapsulant, and a plurality of first external leads of leadframe, wherein the first external leads are exposed and extended from a plurality of sides of the first encapsulant; at least a second semiconductor package stacked above the first semiconductor package, the second semiconductor package including a second encapsulant, at least a second chip encapsulated inside the second encapsulant, and a plurality of second external leads of leadframe, wherein the second external leads are exposed and extended from a plurality of sides of the second encapsulant; soldering materials soldering a plurality of terminals of the second external leads to a plurality of soldered regions of the corresponding first external leads; and dielectric coating disposed to cover the soldering materials.