Printhead integrated circuit comprising inkjet nozzle...

Details Printhead integrated circuit comprising inkjet nozzle... Printhead integrated circuit comprising inkjet nozzle...

2007-06-15

2010-10-26

Nguyen, Thinh H (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S058000

Reexamination Certificate

active

07819503

ABSTRACT:
A printhead integrated circuit is provided. The printhead integrated circuit comprises a silicon substrate having a plurality of inkjet nozzles assemblies formed on a surface of the substrate. The substrate has drive circuitry for supplying power to the nozzle assemblies. Each nozzle assembly comprises: a nozzle chamber for containing ink, the nozzle chamber having a nozzle opening defined therein; an actuator for ejecting ink through the nozzle opening; a pair of electrodes positioned at the surface of the substrate, the electrodes being electrically connected to the drive circuitry; and a pair of connector posts, each connector post electrically connecting a respective electrode to the actuator. Each connector post extends linearly from a respective electrode to the actuator.

REFERENCES:
patent: 6265301 (2001-07-01), Lee et al.
patent: 2004/0119787 (2004-06-01), Mori
patent: 2004/0155939 (2004-08-01), Silverbrook
patent: 2006/0050108 (2006-03-01), Silverbrook
patent: 2008/0151022 (2008-06-01), Silverbrook et al.
patent: 2008/0289859 (2008-11-01), Mikado et al.

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