Nozzle arrangement with fully static CMOS control logic...

Details Nozzle arrangement with fully static CMOS control logic... Nozzle arrangement with fully static CMOS control logic...

2011-07-05

2011-07-05

Nguyen, Thinh H (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S059000, C347S005000

Reexamination Certificate

active

07971972

ABSTRACT:
A nozzle arrangement for a pagewidth inkjet printhead assembly. The nozzle arrangement includes a substrate defining an ink supply channel; an ink chamber in fluid communication with the ink supply channel, the ink chamber defining an ink ejection port around which an ink spreading prevention rim is provided; a thermal actuator mechanism arranged in the substrate and configured to eject ink from the chamber via the ejection port, the mechanism having a thermal actuator arm adapted to deflect as a result of relative thermal expansion; and control logic architecture provided on the substrate for controlling the thermal actuator arm. The architecture has a plurality of successive shift registers, a transfer register for receiving data output from a last shift register, and a firing control gate. The firing control gate has an enabling input and a gate data input for receiving an output from the transfer register. The gate operatively drives the thermal actuator according to the enabling and gate data inputs. The shift register and transfer register are provided as fully static CMOS.

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