Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1996-06-28
1999-10-19
Fuller, Benjamin R.
Incremental printing of symbolic information
Ink jet
Ejector mechanism
B41J 206
Patent
active
059697326
ABSTRACT:
An electrostatic ink-jet recording head (100) with an ink chamber (15) for storing ink containing electrified toner; an ink path (6) leading to the ink chamber; ink ejecting portions (7, 8) provided at the tip of that ink path; electrophoretic electrodes (15, 11, 11') for moving the electrified toner of the ink along the ink path to the ink ejecting portions by electrostatic repulsive force; and a plurality of ejecting electrodes (2a-2h) , arranged near the ink ejecting portions, for forming an electric field for providing an ejecting force to the electrified toner. The ejecting electrodes are controlled by ejection control electrodes (3a, 3b) that form an electric field for preventing electrified toner from being ejected from the ink ejecting portions. The plurality of ejecting electrodes (2a-2h) are formed along the ink path, and the ejecting electrodes and ejection control electrodes are stacked over a substrate with insulating layers therebetween. This configuration reduces the wiring area of the electrodes in the ink-jet recording head and compresses the size of the head.
Dickens C.
Fuller Benjamin R.
NEC Corporation
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