US Patent 10201971 Liquid-tolerant liquid droplet ejecting apparatus

A liquid droplet ejecting apparatus includes a liquid container, a liquid ejection chip that is fixed to a lower surface of the liquid container to receive liquid from the liquid container, and includes a pressure chamber formed therein, a nozzle to eject liquid from the pressure chamber, and an actuator disposed adjacent to the nozzle, a base member having an opening at which the liquid container is fixed such that the nozzle is exposed on a lower surface of the base member, and a circuit substrate fixed to a lower side of the base member and including a wiring electrically connected to the actuator on a lower surface of the circuit substrate.