Printhead having plural fluid ejection heating elements

Details Printhead having plural fluid ejection heating elements Printhead having plural fluid ejection heating elements

2011-03-08

2011-03-08

Do, An H (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07901055

ABSTRACT:
A printhead is provided which has a plurality of fluid chambers defined in a substrate, a plurality of covers which each cover a respective fluid chamber, each cover having a plurality of radially extending supports supporting a rim thereby defining a fluid ejection nozzle, and a plurality of heating elements positioned in each cover between respective pairs of adjacent supports, actuation of the heating elements causing ejection of fluid in the chambers through the nozzle.

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