A liquid ejection method involves supplying liquid along a heat generating element disposed along a flow path from upstream of the heat generating element, applying heat generated by the heat generating element to the thus supplied liquid to generate a bubble, thus moving a free end of a movable member...http://www.google.de/patents/US6252616?utm_source=gb-gplus-sharePatent US6252616 - Liquid ejection method, head and apparatus in which an amount of liquid ejected is controlled
