Printhead chip having longitudinal ink supply channels

Details Printhead chip having longitudinal ink supply channels Printhead chip having longitudinal ink supply channels

2005-04-04

2008-10-28

Vo, Anh T. N. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S065000

Reexamination Certificate

active

07441865

ABSTRACT:
A pagewidth inkjet printhead is provided. The printhead comprises: (a) a plurality of nozzles formed on a frontside of a substrate, each nozzle having a respective nozzle inlet; and (b) a plurality of ink supply channels. Each ink supply channel is configured for supplying ink from a backside of the substrate to a corresponding group of nozzle inlets. Further, each ink supply channel is dimensioned for receiving ink from one or more outlets in a molded ink manifold. Relatively wide ink supply channels allow the printhead to be directly bonded to a molded ink manifold, facilitating alignment and avoiding leaks.

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