Patent ID: 7878846

Claim:
An electrical connector assembly mounted on a printed circuit board (PCB), comprising: an upper connector downwardly mounted on a first surface of said PCB, including a plurality of first contacts, each first contact having a first soldering leg soldered on said first surface of said PCB; a lower connector stacked under said upper connector and upwardly mounted on a second surface of said PCB, including a plurality of second contacts, each second contact having a second soldering leg soldered on said second surface of said PCB; wherein said second soldering legs are upwardly soldered on the second surface of the PCB and vertically stacked below said first soldering legs in an one-to-one relationship with the first soldering legs; wherein said second soldering legs are pin type and imbedded into said PCB upwardly from the second surface without going through the first surface of the PCB.