Liquid ejecting head and liquid ejecting apparatus
US10850515B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2019 |
| Grant date | Dec 1, 2020 |
| Priority date | — |
| Expiry date | Sep 18, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14241
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid ejecting head including a plurality of pressure chambers in communication with nozzles that eject a liquid, a diaphragm that includes layers including a first layer and a second layer and that constitutes wall surfaces of the plurality of pressure chambers, a plurality of piezoelectric elements formed on a first region of the diaphragm, the piezoelectric elements each being formed to correspond to a corresponding one of the pressure chambers, and a barrier layer that is in contact with an interface between the first layer and the second layer in a second region of the diaphragm, the second region surrounding the first region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.