Inkjet recording head

Details Inkjet recording head Inkjet recording head

2004-12-03

2008-12-30

Meier, Stephen D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S068000

Reexamination Certificate

active

07469993

ABSTRACT:
An inkjet recording head includes: nozzles that jet ink droplets; pressure chambers that communicate with the nozzles and contain ink; a diaphragm that configures part of the pressure chambers; an ink pool chamber that pools ink to be supplied to the pressure chambers via ink flow paths; and piezoelectric elements that cause the diaphragm to be displaced, wherein the ink pool chamber is disposed opposite from the pressure chambers with the diaphragm being disposed therebetween, and drive ICs that apply a voltage to the piezoelectric elements are mounted on a piezoelectric element substrate formed to include the diaphragm.

REFERENCES:
patent: 6099111 (2000-08-01), Chang
patent: 6270193 (2001-08-01), Hiwada
patent: 6491384 (2002-12-01), Usui et al.
patent: 6572223 (2003-06-01), Delametter et al.
patent: 2002/0036667 (2002-03-01), Shingyohuchi
patent: 2003/0038868 (2003-02-01), Arai et al.
patent: 2-301445 (1990-12-01), None
patent: 9-323414 (1997-12-01), None

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