| 摘要 |
The liquid ejection head for ejecting liquid from nozzles includes: pressure chambers connecting to the nozzles; a common liquid chamber which is connected to the pressure chambers, is arranged across the pressure chambers from the nozzles, and is defined by at least a multi-layer wiring substrate which has a recess-shaped structure including a base section forming one of a ceiling and a floor of the common liquid chamber and a projecting section forming a side wall of the common liquid chamber; electrical wires which are formed at least partially inside the multi-layer wiring substrate; and a connection electrode which is provided in a top of the projecting section of the multi-layer wiring substrate.
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