Patent ID: 9408313
Filing Date: 2016-08-02
CPC Classification: H01L,H05K,Y10T

Claim Text:
1. A packaging substrate, comprising: a substrate body having a first surface and a second surface opposite to the first surface, the first surface having a plurality of first conductive pads thereon, and the second surface having a die attach area and a peripheral area surrounding the die attach area, the die attach area having a plurality of second conductive pads embedded therein, wherein top surfaces of the second conductive pads are exposed from the second surface, and the die attach area of the second surface is fully exposed; and a plurality of conductive pillars correspondingly disposed on the second conductive pads and having first ends and opposite second ends, wherein the first ends are level with the second surface of the substrate body, and the first ends have a width bigger than a width of the second ends.