Fluid ejection device with micro-electromechanical fluid...

Details Fluid ejection device with micro-electromechanical fluid... Fluid ejection device with micro-electromechanical fluid...

2007-10-23

2007-10-23

Do, An H. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S065000

Reexamination Certificate

active

11231876

ABSTRACT:
A fluid ejection device includes a substrate that defines a plurality of fluid inlets. A drive circuitry layer is positioned on the substrate. Elongate micro-electromechanical actuators are each fast at a first end to the substrate to be connected to the drive circuitry and are configured to be displaced away from and towards the substrate on receipt of an electrical pulse from the drive circuitry. An array of nozzle chamber structures is positioned on the substrate. Each defines a nozzle chamber in fluid communication with a respective fluid inlet and a fluid ejection port in fluid communication with the nozzle chamber. A plurality of fluid ejecting members is fast with respective second ends of the actuators. The nozzle chamber structures define slotted arrangements that are configured to permit the actuators to extend into the nozzle chambers to restrain movement of the fluid ejecting members along a substantially linear path.

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