Piezoelectric actuator and liquid discharging head
US-2024334834-A1 · Oct 3, 2024 · US
Liquid ejecting head, liquid ejecting apparatus and actuator
US9016839B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9016839-B2 |
| Application number | US-201313850546-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 26, 2013 |
| Priority date | Apr 5, 2012 |
| Publication date | Apr 28, 2015 |
| Grant date | Apr 28, 2015 |
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Abstract
Official abstract text for this publication.
A liquid ejecting head including a pressure generation chamber communicating with a nozzle. The head includes a piezoelectric element having a first electrode, a piezoelectric layer, provided on the first electrode, a second electrode provided on the piezoelectric layer, and a third electrode provided on the second electrode. The third electrode is provided on the second electrode to cover a region that faces the pressure generation chamber.
First claim
Opening claim text (preview).
What is claimed is: 1. A liquid ejecting head comprising: a flow path formation substrate including a pressure generation chamber communicating with a nozzle; a vibration plate provided on the flow path formation substrate; a piezoelectric element having a first electrode provided on the vibration plate, a piezoelectric layer provided on the first electrode and a second electrode provided on the piezoelectric layer; and a third electrode provided on the second electrode, w…
Assignees
Inventors
Classifications
- B41J2/14274Primary
Operations & Transport · mapped topic
Operations & Transport · mapped topic
- B41J2/14233Primary
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US9016839B2 cover?
- A liquid ejecting head including a pressure generation chamber communicating with a nozzle. The head includes a piezoelectric element having a first electrode, a piezoelectric layer, provided on the first electrode, a second electrode provided on the piezoelectric layer, and a third electrode provided on the second electrode. The third electrode is provided on the second electrode to cover a re…
- Who is the assignee on this patent?
- Seiko Epson Corp
- What technology area does this patent fall under?
- Primary CPC classification B41J2/14274. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Apr 28 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).