Patent ID: 8415780

Claim:
A manufacturing method of a package carrier, comprising: providing a substrate, the substrate including an upper surface and a lower surface opposite to the upper surface; forming a first opening communicating the upper surface and the lower surface of the substrate; disposing a heat conducting element inside the first opening of the substrate, wherein the heat conducting element is fixed in the first opening of the substrate via an insulating material; forming at least a through hole passing through the substrate; forming a metal layer on the upper surface and the lower surface of the substrate and inside the through hole, wherein the metal layer covers the upper surface, the lower surface, the heat conducting element, and the insulating material of the substrate; removing a portion of the metal layer; forming a solder mask on the metal layer; and forming a surface passivation layer covering a portion of the metal layer exposed by the solder mask and a portion of the metal layer located inside the through hole.