Inkjet printhead with common plane of symmetry for heater...

Details Inkjet printhead with common plane of symmetry for heater... Inkjet printhead with common plane of symmetry for heater...

2007-01-16

2008-12-23

Stephens, Juanita D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S054000

Reexamination Certificate

active

07467856

ABSTRACT:
An ink jet printhead that has a plurality of nozzles3and a chamber7corresponding to each nozzle respectively. At least one heater element10disposed in each chamber7.Each nozzle defines a nozzle aperture that has a plane of symmetry extending perpendicular to the nozzle aperture. The heater element10is a suspended beam that is symmetrical about the plane of symmetry extending perpendicular to the nozzle aperture. Configuring the heater element and nozzle aperture to have a common plane of symmetry gives the nozzle a trajectory that is more likely to be along the central axis.

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