Liquid-jet head, method of manufacturing the same, and...

Details Liquid-jet head, method of manufacturing the same, and... Liquid-jet head, method of manufacturing the same, and...

2006-03-28

2006-03-28

Shah, Manish (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S068000, C347S070000, C347S072000

Reexamination Certificate

active

07018023

ABSTRACT:
Provided are a liquid-jet head in which a passage-forming substrate and a nozzle plate can be suitably joined, a method of manufacturing the same, and a liquid-jet apparatus. A covering plate has a piezoelectric element holding portion which covers piezoelectric elements. This covering plate is joined with a side of the passage-forming substrate where the piezoelectric elements are provided. At the same time, the nozzle plate provided with nozzle orifices is joined with a side of the passage-forming substrate opposite the side where the covering plate is joined. Moreover, at least a region of the passage-forming substrate facing the piezoelectric element holding portion is formed to be relatively thicker than the outside of the region facing the piezoelectric element holding portion.

REFERENCES:
patent: 4605939 (1986-08-01), Hubbard et al.
patent: 5880763 (1999-03-01), Tanaka et al.
patent: 2000-127379 (2000-05-01), None

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