A thermal drop-on-demand print cartridge includes a base member, with an ink ingress opening and a heater slit, and a cover member that is mounted on the base member to define an ink supply channel from the ingress opening to the heater slit and an orifice array aligned with the heater slit. An ink reservoir...http://www.google.fr/patents/US4866461?utm_source=gb-gplus-shareBrevet US4866461 - Thermal, drop-on-demand, ink jet print cartridge
