Ink jet head and droplet ejection device having same mounted...

Details Ink jet head and droplet ejection device having same mounted... Ink jet head and droplet ejection device having same mounted...

2007-05-29

2007-05-29

Feggins, K. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

10824588

ABSTRACT:
An ink jet head includes: a chamber plate having a plurality of pressuring chambers formed therein for storing an ink; a vibrating plate bonded to the chamber plate; a housing having an ink flow path through which an ink is supplied into the pressuring chambers; an orifice through which an ink is ejected from the pressuring chambers; and a longitudinal vibration mode piezoelectric element for generating pressure under which an ink droplet is ejected through the orifice. A thickness of the vibration plate is from 5 μm to 10 μm.

REFERENCES:
patent: 6945632 (2005-09-01), Nakamura et al.
patent: 2002/0174542 (2002-11-01), Watanabe et al.
patent: 2002/0180843 (2002-12-01), Irie et al.
patent: 2003/0067525 (2003-04-01), Goto et al.
patent: 2003-39673 (2003-02-01), None

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