Patent attributes
A droplet ejecting apparatus for discharging liquid from nozzles of pressure chambers by supplying liquid from a liquid tank to said pressure chambers and then contracting said pressure chambers by means of piezoelectric elements, comprising:pressure chamber plates forming said pressure chambers, and to which vibration plates forming walls of said pressure chambers are formed integrally; anda common liquid chamber formed in the liquid tank and connected to respective liquid supply ports of the respective pressure chambers through respective flow passages connected to said respective liquid supply ports;wherein the liquid tank and the pressure chamber plates are mutually superimposed in a layered structure, in positions where the flow passages coincide with the liquid supply ports of the pressure chambers.