Liquid ejecting head, liquid ejecting apparatus, and...

Details Liquid ejecting head, liquid ejecting apparatus, and... Liquid ejecting head, liquid ejecting apparatus, and...

2011-08-09

2011-08-09

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07992973

ABSTRACT:
A liquid ejecting head includes a pressure generating chamber communicating with a nozzle opening, and a piezoelectric element generating a pressure change in the pressure generating chamber. In this liquid ejecting head, the piezoelectric element includes a first electrode, a piezoelectric layer provided above the first electrode, and a second electrode provided above the piezoelectric layer at a side opposite to the first electrode. The first electrode has a diffusion-preventing layer containing iridium oxide as a primary component, and the diffusion-preventing layer has stress relieving holes that pass through in the thickness direction thereof and that is filled with a material other than iridium oxide.

REFERENCES:
patent: 2007-173604 (2007-07-01), None

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