Patent ID: 7485017

Claim:
A microelectronic package substrate comprising: a die-side surface adapted to receive a die thereon; a printed circuit board (PCB)-side surface adapted to be mechanically and electrically bonded to a PCB; an array of land pads on the PCB-side surface, the land pads defining anchoring recesses therein, wherein the anchoring recesses have sidewalls and a bottom; an array of electrically conductive pins electrically and mechanically bonded to respective ones of the land pads, the pins having anchoring elements thereon mated with corresponding ones of the anchoring recesses of the land pads, the anchoring elements mating with the sidewalls and the bottom of the anchoring recesses to inhibit a tilting of the pins on the land pads; and a plurality of pin-attach solder joints mechanically and electrically bonding the pins to corresponding ones of the land pads.