Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2006-03-16
2008-11-25
Stephens, Juanita D (Department: 2853)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S015000, C347S068000
Reexamination Certificate
active
07455393
ABSTRACT:
The mist spraying apparatus comprises: a pressure chamber into which liquid is filled; a charging electrode which is in contact with the liquid and charges the liquid; a vibration generating device which converts the liquid into droplets by applying vibrational energy to the liquid inside the liquid chamber, thereby generating a charged mist; a rear surface electrode which is disposed so as to oppose an ejection surface including an ejection port ejecting the charged mist, and holds an liquid receiving medium onto which the charged mist is deposited from the ejection port; an acceleration electrode which is disposed at a position separated by a prescribed distance in an outward radial direction from an edge of the ejection port, and generates an electric field for acceleration between the acceleration electrode and the opposing rear surface electrode; a charging voltage application device which applies a charging voltage to the charging electrode; and an acceleration voltage application device which applies an acceleration voltage that is higher than the charging voltage to the acceleration electrode, thereby generating, between the acceleration electrode and the rear surface electrode, the electric field for acceleration having an electric field intensity which is greater than an electric field intensity generated between the charging electrode and the rear surface electrode by the voltage applied from the charging voltage application device.
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Kameyama et al., Journal of the Acoustical Society of Japan, vol. 60, No. 2, 2004, pp. 53-60.
Fukumoto et al., Japan Hardcopy '99 Collected Essays, 1999, pp. 343-346.
Birch & Stewart Kolasch & Birch, LLP
Fujifilm Corporation
Stephens Juanita D
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