Inkjet head having a plurality of lid members connected to nozzles and an inkjet apparatus having the inkjet head
US10052871B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 8, 2017 |
| Grant date | Aug 21, 2018 |
| Priority date | — |
| Expiry date | May 8, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/12
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An inkjet head includes a substrate, a piezoelectric unit disposed on the substrate and including a plurality of piezoelectric elements arranged along a surface of the substrate, and a plurality of pressure chambers, each of the pressure chambers being formed between two adjacent piezoelectric elements, a plurality of lid members, each of which is disposed on two adjacent piezoelectric elements and has a hole connected to one of the pressure chambers, and a nozzle plate disposed on the plurality of lid members and having a plurality of nozzles through which the liquid is discharged, each of the nozzles being connected to one of the holes of the lid members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.