Printhead with low drag nozzles apertures

Details Printhead with low drag nozzles apertures Printhead with low drag nozzles apertures

2011-07-12

2011-07-12

Stephens, Juanita D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S056000, C347S062000

Reexamination Certificate

active

07976125

ABSTRACT:
An inkjet printhead that has a nozzle layer defining an array of nozzle apertures, each nozzle aperture having an associated heater element positioned for heating the ejectable liquid above its boiling point to form a vapor bubble to eject a drop of the ejectable liquid through the nozzle aperture. The nozzle aperture is less than 5 microns thick in the drop ejection direction.

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