Inkjet printhead with heater elements having parallel...

Details Inkjet printhead with heater elements having parallel... Inkjet printhead with heater elements having parallel...

2010-02-08

2011-10-04

Mruk, Geoffrey (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S054000

Reexamination Certificate

active

08029106

ABSTRACT:
An inkjet printhead having an array of ink chambers is disclosed. Each ink chamber has a nozzle and a heater element for generating vapour bubbles to eject ink through the nozzle. The heater element has multiple current paths connected in parallel. Each current path has at least one portion with a reduced cross-section relative to the remainder of the current path. A cross bracing structure is also provided for connecting intermediate portions of the current paths.

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English translation of JP 62-94347—Manaka, Thermal Inkjet Printing Head, Apr. 1987, pp. 1-52.

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