Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2007-08-21
2007-08-21
Feggins, K. (Department: 2861)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
Reexamination Certificate
active
11484660
ABSTRACT:
An ink jet head ejects ink as ink droplets through application of an electrostatic force to the ink. The ink jet head includes ejection portions provided with ejection electrodes for applying the electrostatic force to the ink and a shield electrode formed between adjacent ejection portions of the ejection portions for preventing electric field interference from occurring between adjacent ejection electrodes of the adjacent ejection portions, wherein the following formula (1) is satisfied, Y≦5×Va (1), where Va [V] is a drive voltage applied to the ejection electrodes, and Y [μm] is an arrangement interval between the adjacent ejection portions. An ink jet recording device records an image corresponding to image data on a recording medium using the ink jet head. An ink jet plate making apparatus forms an image on a printing substrate as the recording medium using the ink jet recording device to make a printing plate.
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patent: 6158844 (2000-12-01), Murakami et al.
patent: 6908177 (2005-06-01), Suganuma
patent: 2004/0183879 (2004-09-01), Nakazawa
patent: 2005/0046675 (2005-03-01), Aoshima
patent: 10-138493 (1998-05-01), None
Feggins K.
Fujifilm Corporation
Sughrue & Mion, PLLC
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