Inkjet printing head

Details Inkjet printing head Inkjet printing head

2007-04-10

2007-04-10

Do, An H. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S070000

Reexamination Certificate

active

10874331

ABSTRACT:
An inkjet printing head includes: a flow path unit including pressure chambers arranged along a plane and connected to nozzles respectively; and an actuator unit being fixed to a surface of the flow path unit and changes volume of each of the pressure chambers, the actuator unit including: a plurality of individual electrodes each arranged in positions opposite to the pressure chambers respectively; a common electrode provided to extend over the pressure chambers; and a piezoelectric sheet provided between the common electrode and the individual electrodes, wherein actuator elements in which configured by laminating each of the individual electrodes, the common electrode and the piezoelectric sheet, are formed in a different structure depending on a position in the actuator unit, the position where each of the actuator elements is disposed.

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