Patent ID: 9508634
Filing Date: 2016-11-29
CPC Classification: H01L,H05K

Claim Text:
1. A package structure, comprising: a lead frame comprising a metal stud array having a plurality of metal studs; a selective electroplating epoxy compound covering the metal stud array and exposing a lower surface of the metal stud array, wherein the selective electroplating epoxy compound comprises non-conductive metal complex; a plurality of first conductive vias directly embedded in the selective electroplating epoxy compound to be respectively connected to the metal studs and extended to a top surface of the selective electroplating epoxy compound, wherein at least one the first conductive vias comprises a first lower segment connected to the corresponding metal stud and a first upper segment connected to the first lower segment and extended to the top surface of the selective electroplating epoxy compound, and a smallest diameter of the first upper segment is greater than a largest diameter of the first lower segment; and a first patterned circuit layer directly disposed on the top surface and electrically connected to the first conductive vias.