Liquid droplet ejecting head and liquid droplet ejecting device

Details Liquid droplet ejecting head and liquid droplet ejecting device Liquid droplet ejecting head and liquid droplet ejecting device

2005-09-07

2008-11-11

Do, An H (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S071000

Reexamination Certificate

active

07448731

ABSTRACT:
A liquid droplet ejecting head including a channel substrate in which a nozzle and a pressure chamber, which is partitioned off by a pressure chamber dividing wall, are formed; a piezoelectric element substrate having a diaphragm that forms a part of the pressure chamber and a piezoelectric element that displaces this diaphragm; a liquid pool chamber that is formed opposite from the pressure chamber with the piezoelectric element substrate being disposed therebetween an upper substrate disposed opposite from the pressure chamber with the piezoelectric element substrate being disposed therebetween so as to be separated from and face the piezoelectric element substrate; and a dividing wall component provided, when viewing the channel substrate in plane view, along a position corresponding to the pressure chamber dividing wall between the piezoelectric element substrate and the upper substrate so as to contact the piezoelectric element substrate and the upper substrate.

REFERENCES:
patent: 5659346 (1997-08-01), Moynihan et al.
patent: 5757400 (1998-05-01), Hoisington
patent: 6382781 (2002-05-01), Furuhata et al.
patent: 6808254 (2004-10-01), Sakaida et al.
patent: 6986565 (2006-01-01), Watanabe et al.
patent: 2-301445 (1990-12-01), None
patent: 9-323414 (1997-12-01), None

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