Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2011-06-21
2011-06-21
Rahll, Jerry T (Department: 2874)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
Reexamination Certificate
active
07963640
ABSTRACT:
A liquid discharge head according to the present invention comprises plural pressure chambers for applying pressure to liquid, which respectively communicate with liquid discharge openings for discharging liquid; and plural piezoelectric elements, arranged respectively corresponding to the plural pressure chambers, which respectively include lower electrodes, piezoelectric layers and upper electrodes layered in order from the pressure chambers, the lower electrodes being extended to areas corresponding to areas between the plural pressure chambers, and wherein an insulating layer is provided so as to cover at least all the lower electrodes located in the areas corresponding to areas between the plural pressure chambers.
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patent: 2005/0128255 (2005-06-01), Nakanishi
patent: 2006/0027529 (2006-02-01), Tokunaga
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patent: 2000-37868 (2000-02-01), None
patent: 2004-186574 (2004-07-01), None
Nakanishi Koichiro
Tokunaga Hiroyuki
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Rahll Jerry T
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