Liquid delivering apparatus and method of producing the same

Details Liquid delivering apparatus and method of producing the same Liquid delivering apparatus and method of producing the same

2004-09-21

2008-12-09

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S070000

Reexamination Certificate

active

07461926

ABSTRACT:
A liquid delivering apparatus, including a flow-passage unit including an opening and a pressure chamber which accommodates liquid and which communicates with the opening; an oscillating plate which partially defines the pressure chamber; a piezoelectric material layer which is one of directly and indirectly stacked on the oscillating plate and which deforms upon application of an electric field thereto so as to oscillate the oscillating plate for delivering the liquid from the pressure chamber through the opening; and an electrode pattern and a drive circuit which apply the electric filed to the piezoelectric material layer. The drive circuit and the electrode pattern are one of directly and indirectly provided on the oscillating plate.

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