| 摘要 |
An ink injection actuator structure for an ink-jet printing head is provided to control a distance between a groove of a displacement electrode and a curved part of a support member. An ink injection actuator structure for an ink-jet printing head includes a support member, a plurality of displacement electrodes(10), and a magnetic member(200). The support member has a curved part, and a nozzle part. The curved part has a height difference from a peripheral part. The nozzle part is formed at the curved part. The plurality of displacement electrodes are formed beyond the curved part. The nozzle part is disposed under the displacement electrodes. The magnetic member is disposed perpendicular to a direction of a current flow of the displacement electrodes.
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