Patent ID: 8136923

Claim:
A fluid discharging head comprising: a fluid channel unit having a plurality of nozzle holes formed therethrough, and a plurality of fluid flow passages formed therethrough, wherein each of the plurality of fluid flow passages is configured to be in fluid communication with a corresponding one of the plurality of nozzle holes; an actuator unit comprising: a first surface and a second surface opposite the first surface; a first actuator area and a second actuator area; and a plurality of driving electrodes positioned on the first surface, wherein the second surface of the actuator unit is attached to the fluid channel unit, and the actuator unit is configured to selectively discharge fluid in the plurality of fluid flow passages to be discharged through corresponding plurality of nozzle holes in response to an application of an electric signal to the corresponding plurality of driving electrodes; and a wiring unit comprising: a sheet substrate comprising an elongated portion, a first substrate area and a second substrate area positioned at opposite ends of the elongated portion of the sheet substrate; a plurality of feeding terminals positioned at the first substrate area and the second substrate area; a driver positioned at a third substrate area between the first substrate area and the second substrate area, and configured to drive the actuator unit, a first plurality of lines extending from the driver to the plurality of feeding terminals positioned at the first substrate area; and a second plurality of lines extending from the driver to the plurality of feeding terminals positioned at the second substrate area, wherein the first substrate area is attached to the first actuator area, and the second substrate area is attached to the second actuator area, and each of the plurality of feeding terminals positioned in the first substrate area are electrically connected to a corresponding one of the plurality of driving electrodes positioned in the first actuator area, and each of the plurality of feeding terminals positioned in the second substrate area are electrically connected to a corresponding one of the plurality of driving electrodes positioned in the second actuator area.