Patent ID: 8052434

Claim:
A socket connector, comprising: an insulative housing having a planar base defining an array of passageway, each passageway including a passage and a slot in communication to each other, the passage featured a circular edge at a bottom surface of the base; a plurality of contact terminals each arranged in a corresponding passageway, and each contact terminal including a base portion retained in the slot, and a contact engaging portion extending beyond a top surface of the insulative housing, and a solder portion having a curvilinear tail extending out of a bottom of the passageway; and a plurality of solder mass each disposed between the curvilinear tail and the circular edge; wherein the curvilinear tail has a curvilinear lobe wherein a waveform arrangement formed at the solder portion creating a curvilinear slope and a peak, wherein a substantially equilateral triangle is defined by the edge of the passage, the peak of the waveform, and a tip of the curvilinear lobe.