| 摘要 |
Provided is a liquid discharge head including a discharge port; an energy application chamber that includes a heat generating element, and communicates with the discharge port; and a flow path that supplies the liquid to the energy application chamber, wherein the energy application chamber includes a first energy application chamber communicating with the discharge port, and a second energy application chamber communicating with the first energy application chamber and the flow path, a distance between facing side walls of the second energy application chamber is larger than that of the first energy application chamber in a section perpendicular to a liquid supply direction from the flow path to the energy application chamber, and for side walls of the energy application chambers formed on a back side in the liquid supply direction, the first energy application chamber and the second energy application chamber share the wall.
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