Liquid ejecting head, liquid ejecting apparatus, and piezoelectric element
US8210659B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 17, 2009 |
| Grant date | Jul 3, 2012 |
| Priority date | — |
| Expiry date | Aug 11, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14419
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid ejecting head includes: pressure generation chambers which communicate with nozzle orifices; and piezoelectric elements which induce pressure change in the pressure generation chambers and each include a first electrode, a piezoelectric body layer formed on the first electrode, and a second electrode formed on the side opposite to the first electrode of the piezoelectric body layer, wherein the piezoelectric body layer includes two dielectric films having the substantially same interstitial distance and an intervening layer provided between the two dielectric films and having a different interstitial distance from that of the dielectric film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.