Backplane-daughter board connector

摘要

A connector assembly for connecting a daughter printed circuit board having an internal ground plane layer to a backplane including a daughter board connector element including a plurality of first signal contacts connected to signal lines on a surface of the daughter board near the bottom of the daughter board, the signal contacts extending outward from the surface and downward, and a ground contact electrically connected to the internal ground plane layer, the ground contact extending along the bottom of the daughter board so as to overlap a plurality of the signal contacts and having an elongated exposed lower contacting portion, and a backplane connector element including a plurality of second signal contacts arranged for mating with respective first signal contacts and an elongated bus bar aligned for contacting the mating portion.