Patent ID: 7812460

Claim:
A packaging substrate, comprising: a substrate body with a first surface having a plurality of flip-chip solder pads and wire bonding pads provided on the first surface and an opposing second surface having a plurality of solder ball pads provided on the second surface, the first surface having a first solder mask layer disposed thereon, the second surface having a second solder mask layer disposed thereon, the first solder mask layer having a plurality of first openings for exposing the flip-chip solder pads and further having a plurality of second openings for exposing the wire bonding pads and the first surface thereabout, and the second solder mask layer having a plurality of third openings for exposing the solder ball pads, respectively; a plurality of first bumps disposed on the flip-chip solder pads; and an electroless Ni/Pd/Au layer disposed on the first bumps and the wire bonding pads.