An ink jet recording apparatus comprises actuating portions and lead electrodes for conducting current. The lead electrodes are wired in such a manner that a conductive member is disposed on a surface which is at a side where the ink droplets are ejected and said conductive member is a part of said lead...http://www.google.com.au/patents/US4458256?utm_source=gb-gplus-sharePatent US4458256 - Ink jet recording apparatus
