Patent ID: 8851614

Claim:
A liquid ejection head comprising: a nozzle plate defining a nozzle opening for ejecting liquid; a flow path substrate defining a pressure generation chamber communicating with the nozzle opening; a liquid storing portion configured for the liquid to be stored therein and to be supplied to the pressure generation chamber therefrom; a pressure generation unit configured to generate pressure change in the liquid in the pressure generation chamber; a lead electrode of the pressure generation unit; a temperature sensor disposed on a surface of the flow path substrate at an opposite side to the nozzle opening; a lead wiring of the temperature sensor; and a wiring disposed on the surface of the flow path substrate, wherein the wiring is connected to the lead wiring of the temperature sensor, and wherein one end of the wiring faces the liquid storing portion; wherein the wiring and the lead electrode of the pressure generation unit are formed by the same member and separated by etching.