A high density connector assembly for an IC chip carrier (10) includes a stack of spacer plated (30) having apertures (32) which form chambers for holding planar contact members (22) therein. The stack of spacer plates (30) are sandwiched between a lower reference plate (34) and an upper reference plate...http://www.google.de/patents/US4906194?utm_source=gb-gplus-sharePatent US4906194 - High density connector for an IC chip carrier
