Liquid ejecting head and liquid ejecting apparatus

Details Liquid ejecting head and liquid ejecting apparatus Liquid ejecting head and liquid ejecting apparatus

2007-09-12

2011-11-22

Rahll, Jerry (Department: 2874)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S068000

Reexamination Certificate

active

08061813

ABSTRACT:
A liquid ejecting head that includes a fluid channel formation substrate and pressure generation units. The fluid channel formation substrate is made of a silicon single crystal substrate having a crystal face orientation of. The fluid channel formation substrate has a plurality of separate flow channels that include at least pressure generation chambers demarcated by partition walls, each of the pressure generation chambers being in communication with a nozzle opening that ejects liquid drops. The fluid channel formation substrate further has a communication portion that is in communication with each of the separate flow channels. The pressure generation units are provided so as to correspond to the pressure generation chambers and generate a pressure change in the pressure generation chambers so as to cause ejection of liquid drops.

REFERENCES:
patent: 5896150 (1999-04-01), Kobayashi et al.
patent: 2005/0012784 (2005-01-01), Ito
patent: 2005-153243 (2005-06-01), None

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