Inkjet thermal actuator with parallel current paths

Details Inkjet thermal actuator with parallel current paths Inkjet thermal actuator with parallel current paths

2011-07-19

2011-07-19

Meier, Stephen D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S067000

Reexamination Certificate

active

07980669

ABSTRACT:
An inkjet printhead is disclosed. The printhead has an array of ink chambers. Each ink chamber has a nozzle and a thermal actuator for generating vapor bubbles to eject ink through the nozzle. The thermal actuator has a pair of contacts and at least two parallel current paths between the contacts. Each of the current paths has a plurality of heater elements for nucleating a vapor bubble.

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