Liquid ejection head, image forming apparatus and method of...

Details Liquid ejection head, image forming apparatus and method of... Liquid ejection head, image forming apparatus and method of...

2007-03-29

2010-11-16

Do, An H (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07832845

ABSTRACT:
The liquid ejection head includes: a substrate made of a prescribed material on which a thin film is deposited to constitute a diaphragm; a piezoelectric body which is formed on a face of the diaphragm reverse to a face adjacent to the substrate; and a pressure chamber which is formed on the substrate by etching in a plurality of steps from a side reverse to a side adjacent to the diaphragm and has a difference in width thereof.

REFERENCES:
patent: 6666547 (2003-12-01), Takahashi et al.
patent: 2005/0168524 (2005-08-01), Xin-Shan et al.
patent: 1024001 (2000-08-01), None
patent: 1038675 (2000-09-01), None
patent: 4-312852 (1992-11-01), None
patent: 2004-209874 (2004-07-01), None

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