Ink-jet head

Details Ink-jet head Ink-jet head

2006-01-30

2009-08-11

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S068000

Reexamination Certificate

active

07571993

ABSTRACT:
An ink-jet head comprises a piezoelectric actuator including a piezoelectric layer, individual electrodes respectively corresponding to ink ejection channels and formed on a surface of the piezoelectric layer, lands formed on the surface of the piezoelectric layer so as to be electrically connected to the respective individual electrodes, and a common electrode opposed to the individual electrodes with the piezoelectric layer being interposed therebetween. A height of the land from the surface of the piezoelectric layer is larger than a height of the individual electrode from the surface of the piezoelectric layer. The land has a hole opening in its top face which is remote from the piezoelectric layer.

REFERENCES:
patent: 6796638 (2004-09-01), Koike et al.
patent: 2003/0156157 (2003-08-01), Suzuki et al.
patent: 2004/0113994 (2004-06-01), Shinkai
patent: 1996274211 (1996-10-01), None
patent: 2002269394 (2000-09-01), None
patent: 2003311953 (2003-11-01), None

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