Patent ID: 9035440
Filing Date: 2015-05-19
Classification: H01L

Abstract:
1. A method of manufacture of an integrated circuit packaging system comprising: forming a package paddle having a paddle recess and a paddle bottom side, the paddle recess forms non-horizontal sidewalls into the package paddle, the non-horizontal sidewalls are perpendicular to the paddle bottom side; forming a lead adjacent to the package paddle; forming a lead conductive cap, having a pure nickel inner region with a thickness between 0.05 μm to 6.00 μm and having a tin-palladium-gold intermetallic region, on the lead including: mounting an integrated circuit over the package paddle; attaching an electrical connector between the lead conductive cap and the integrated circuit; and forming an encapsulation over the integrated circuit, a portion of the lead, and a portion of the package paddle.