| 摘要 |
PROBLEM TO BE SOLVED: To provide an element substrate which efficiently heats a liquid and achieves good discharge characteristics.SOLUTION: An element substrate includes: a discharge port 5 which discharges a liquid; an energy generating element 7 which generates energy for discharging the liquid from the discharge port 5; a heating element 14 which has a shape having a longitudinal axis and includes at least two heating surfaces exposed to the liquid; a first support part which supports one end part side of the heating element 14; a second support part which supports the other end part side; and a third support part which supports a portion between the one end part side and the other end part side. |
