An ink jet nozzle arrangement formed on a substrate comprising: a nozzle chamber having an ink ejection aperture in one wall thereof and an actuator interconnection aperture in a second wall thereof; an external thermal bend actuator interconnected at one end with an internal ink ejection paddle through...http://www.google.com/patents/US6443558?utm_source=gb-gplus-sharePatent US6443558 - Inkjet printhead having thermal bend actuator with separate heater element
