| 摘要 |
An ink jet device including a plurality of ink channels that are arranged side by side and are covered by a flexible sheet, and a corresponding number of actuators are arranged to exert an actuating force onto the sheet through a bump that has a trapezoidal cross-sectional configuration wherein the bumps are formed on the sheet in such an orientation that their trapezoidal cross-section diverges towards the actuator, and the bumps are bonded to the actuators by means of an adhesive.
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