| 摘要 |
<p>A liquid ejection head includes: a nozzle including a nozzle opening and a nozzle communication channel communicating at one end thereof with the nozzle opening; a liquid chamber communicating with another end of the nozzle communication channel; a pressurizing element configured to pressurize liquid in the liquid chamber; circulation outlets formed at the nozzle; individual circulation channels communicating with the nozzle; and a common circulation channel at which communication ports respectively communicating with the individual circulation channels are formed, the circulation outlets arranged symmetrically with respect to a nozzle axis passing through a barycenter of the nozzle opening and perpendicular to a nozzle opening surface, and the individual circulation channels respectively communicating with the circulation outlets and a same common circulation channel, flow rates of liquid respectively passing through the circulation outlets when the liquid in the nozzle is circulated to the common circulation channel being equal to each other.
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