| 摘要 |
PROBLEM TO BE SOLVED: To enhance strength of a wall portion forming pressure chambers while relaxing a temperature rise in a liquid discharge head.SOLUTION: A liquid discharge head 1 includes: a liquid discharge block 3 including a plurality of pressure chambers 12 capable of storing liquid, a plurality of air chambers 13a and 13b disposed around the plurality of pressure chambers 12, and a wall portion forming at least the pressure chamber 12, which is made of a piezoelectric material; and a flow passage 14 including an inlet and an outlet which are provided on the same surface of the liquid discharge block 3, and a portion between the inlet and the outlet, which is routed around in the liquid discharge block 3. |
