Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1995-09-22
1998-11-10
Hecker, Stuart N.
Incremental printing of symbolic information
Ink jet
Ejector mechanism
B41J 206
Patent
active
058351132
ABSTRACT:
An ink jet printing apparatus, in which the ink having colorants distributed in a solvent is supplied over the electrode array on the surface of the head substrate such that the electrode array is completely covered by the ink, while voltages are applied to the electrode array to produce an electric field for exerting an electrostatic force on the colorants in the ink such that the colorants are compressed and ejected toward a recording medium. Each individual electrode constituting the electrode array can have a tip end portion projecting from the surface of the head substrate. The apparatus also has an element for compressing colorants distributed in a solvent of an ink and an element for ejecting the compressed colorants toward a recording medium which are provided separately. In addition, the apparatus can incorporate an element for conveying colorants in the ink through the ink supply passage toward the colorant ejection point on the electrode array.
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Hirahara Shuzo
Hosaka Yasuo
Ishii Koichi
Murakami Teruo
Nagato Hitoshi
Hecker Stuart N.
Kabushiki Kaisha Toshiba
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