Liquid discharge head and manufacturing method of the same

Details Liquid discharge head and manufacturing method of the same Liquid discharge head and manufacturing method of the same

2006-12-19

2010-02-02

Feggins, K. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07654651

ABSTRACT:
In a liquid discharge head having a vibration plate provided with piezoelectric driving sections and a substrate which supports the vibration plate and in which pressure generating chambers communicating with discharge ports to discharge a liquid are arranged to correspond to the piezoelectric driving sections, at a region of an end portion of each pressure generating chamber in a longitudinal direction, a portion of the substrate on a side of the vibration plate protrudes along the longitudinal direction to the pressure generating chamber in a stepped state.

REFERENCES:
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patent: 6336717 (2002-01-01), Shimada et al.
patent: 6345424 (2002-02-01), Hasegawa et al.
patent: 6502928 (2003-01-01), Shimada et al.
patent: 11-291495 (1999-10-01), None
patent: 11-300971 (1999-11-01), None
patent: 2000-272126 (2000-10-01), None
patent: 3379538 (2002-12-01), None

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