Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2004-10-25
2010-06-29
Meier, Stephen D (Department: 2853)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
Reexamination Certificate
active
07744193
ABSTRACT:
The present invention relates to an inkjet print head (1) comprising at least one nozzle chamber (2), having a nozzle aperture (3) defined in one wall thereof for the ejection of printing fluid out of said aperture (3), and a printing fluid supply channel interconnected with said nozzle chamber (2). A printing fluid droplet tail release guide arrangement (4) is arranged at a predetermined position at an edge of a circumference of said aperture (3). The present invention further relates to a method for increasing droplet placement accuracy in an inkjet print head having at least one nozzle chamber with a nozzle aperture defined in one wall thereof for the ejection of printing fluid out of said aperture. The method comprises the step of providing a printing fluid droplet tail release guide arrangement at a predetermined position at an edge of a circumference of said aperture.
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patent: 6878298 (2005-04-01), Umehara
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Hack Martinus Jacobus Johannes
Huiberts Johannes Nicolaas
Ho Raymond J.
Meier Stephen D
Morris Manning & Martin
TPO Displays Corp.
Witkowski Alexander C
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