A device for recording comprising ejecting a liquid recording medium by heat energy which comprises a recording head composed of a discharging orifice for ejecting the liquid recording medium in a form of droplets, an inlet for introducing the liquid recording medium, a liquid chamber for holding the...http://www.google.com.au/patents/US4296421?utm_source=gb-gplus-sharePatent US4296421 - Ink jet recording device using thermal propulsion and mechanical pressure changes
Ink jet recording device using thermal propulsion and mechanical pressure ...
