A device comprising a circuit, a lead having a first end connected to the circuit and having a second end, and a deformable structure connected to the second end of the lead. The invention may be embodied on a circuit board, so that the circuit board includes a substrate and a deformable structure connected...http://www.google.com.au/patents/US6909055?utm_source=gb-gplus-sharePatent US6909055 - Electrical device allowing for increased device densities
