Liquid ejecting head

Details Liquid ejecting head Liquid ejecting head

2005-12-21

2009-02-17

Do, An H (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07490923

ABSTRACT:
A conductive nozzle plate is formed with a nozzle orifice. An insulative layer is formed on a first face of the nozzle plate. A head body includes a pressure chamber adapted to contain liquid therein and a pressure generating element operable to cause pressure fluctuation in the liquid. The head body is attached to a second face of the nozzle plate so as to communicate the pressure chamber with the nozzle orifice. The second face of the nozzle plate and the head body are fixed to a head case. A conductive head cover covers a part of the first face of the nozzle plate while exposing the nozzle orifice. A part of the nozzle plate and the head cover directly come into contact with each other.

REFERENCES:
patent: 5956058 (1999-09-01), Momose et al.
patent: 6036105 (2000-03-01), Sanada et al.
patent: 6048053 (2000-04-01), Kamoi et al.
patent: 6296351 (2001-10-01), Tanaka et al.
patent: 5-201000 (1993-08-01), None
patent: 10-16240 (1998-01-01), None
patent: 11-207979 (1999-08-01), None
patent: 11-291465 (1999-10-01), None
patent: 2000-190513 (2000-07-01), None
patent: 2004-74676 (2004-03-01), None
patent: 2004-351923 (2004-12-01), None
patent: WO 99/15337 (1999-04-01), None

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