A conductor comprising a first and second electric conducting element, each in the form of a flat plate, and at least a third electric conducting element also in the form of a flat plate. The first and second conducting elements are arranged with one surface contacting a surface on the third conducting...http://www.google.ca/patents/US4876419?utm_source=gb-gplus-sharePatent US4876419 - Two-dimensional electric conductor designed to function as an electric switch
