Method for drop breakoff length control in a high resolution...

Details Method for drop breakoff length control in a high resolution... Method for drop breakoff length control in a high resolution...

2008-07-29

2008-07-29

Feggins, K. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07404626

ABSTRACT:
An inkjet printing system having a plurality of inkjets, wherein the inkjets are disposed in a row and directed toward a media, wherein the printhead includes a drop generator having an orifice plate, wherein the orifice plate has nozzles with a first and second group forming an inkjet, wherein the first group is in interleaved patterns with the second group, and the geometry of the first group is different from the second group. A stimulating device provides a signal to the continuous inkjets to produce a first and second group of drops with a first and a second breakoff length, wherein the first and second breakoff lengths are different; a charge plate with drop charging electrodes positioned adjacent each inkjet opposite the drop generator. A controller in communication with each drop charging electrode adapted to supply a pulse to each electrode to isolate the first and second group of drops.

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patent: 1 277 579 (2003-01-01), None
patent: 60-087058 (1985-05-01), None
D.J. Drake, Binary Continuous Thermal Ink Jet Break Off Length Modulation, Xerox Disclosure Journal, Xerox Corporation, Stamford, Conn., vol. 14, No. 3, May 1, 1989, pp. 95-100, XP000027460.

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