A backplane connector system for electrically interconnecting an electronic module to a backplane assembly using a solder-free technique is described. A plurality of mating pads of conductive material are positioned on the surface of the backplane as a system interface. A corresponding series of plunger...http://www.google.es/patents/US5395249?utm_source=gb-gplus-sharePatente US5395249 - Solder-free backplane connector
