Ink-jet head and manufacturing method of the same

Details Ink-jet head and manufacturing method of the same Ink-jet head and manufacturing method of the same

2005-02-15

2005-02-15

Nguyen, Thinh (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

06854833

ABSTRACT:
An ink-jet head comprises a passage unit including pressure chambers each connected to a nozzle, and an actuator unit bonded to the passage unit. The actuator unit includes active portions for changing volumes of the respective pressure chambers. Kinds of passage units different in positions of pressure chambers distant from a reference position set on a face of each passage unit, are prepared for a single kind of actuator units fabricated in the same design shape with a positional difference between corresponding pressure chambers in the different kinds of passage units increasing as a distance of the pressure chambers from the reference position increases.

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patent: 5818478 (1998-10-01), Gibson
patent: 6439686 (2002-08-01), Glass
patent: 6443564 (2002-09-01), Keil et al.
patent: 20010024221 (2001-09-01), Tanaka et al.
patent: 0 670 222 (1995-09-01), None
patent: A 55-084678 (1980-06-01), None

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