Integrated black and colored ink printheads

Details Integrated black and colored ink printheads Integrated black and colored ink printheads

2007-04-03

2007-04-03

Shah, Manish S. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S065000

Reexamination Certificate

active

10881659

ABSTRACT:
An improved ink jet printhead and method therefor. The printhead includes a single semiconductor substrate with ink ejection devices and a nozzle plate adjacent to the semiconductor substrate, the nozzle plate with first ink ejection nozzles for ejecting first ink drops having a first volume and second ink ejection nozzles for ejecting second ink drops having a second volume different from the first volume, wherein the first volume is defined by first flow features of the printhead having a first thickness and the second volume is defined by second flow features having a second thickness that is different from the first thickness.

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