Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2011-04-12
2011-04-12
Do, An H (Department: 2853)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
Reexamination Certificate
active
07922300
ABSTRACT:
An ink-jet head includes a common liquid chamber, a plurality of pressure chambers, a plurality of nozzles which eject ink, a plurality of individual ink channels communicating with the common liquid chamber, the pressure chambers and the nozzles, and a piezoelectric actuator which selectively varies the volume of the plurality of pressure chambers. The common liquid chamber is disposed on the side opposite to the nozzles with respect to the piezoelectric actuator. A through-hole which forms a part of the individual ink channels is formed in the piezoelectric actuator. This structure ensures a large region in which the nozzles can be disposed, and allows the nozzles to be arranged at higher density.
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Banner & Witcoff Ltd
Brother Kogyo Kabushiki Kaisha
Do An H
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