Liquid discharge head and liquid discharge apparatus
US10576742B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 11, 2018 |
| Grant date | Mar 3, 2020 |
| Priority date | — |
| Expiry date | Oct 11, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14403
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid discharge head includes a nozzle plate in which a plurality of nozzles to discharge a liquid is formed in a nozzle array direction, a channel plate including partition walls to form a plurality of individual chambers communicating with the plurality of nozzles, respectively, a diaphragm bonded to the channel plate to form a wall of the plurality of individual chambers, and a plurality of electromechanical transducers bonded to the diaphragm to deform the diaphragm to generate a pressure in the plurality of individual chambers, and a cycle of vibration of natural vibration generated in the liquid in the plurality of individual chambers is equal to or larger than a cycle of a primary mode of lateral vibration of the plurality of electromechanical transducers in the nozzle array direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.