Liquid ejection head, method for manufacturing liquid ejection head, liquid ejection apparatus
US10173425B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Sep 12, 2017 |
| Grant date | Jan 8, 2019 |
| Priority date | — |
| Expiry date | Sep 12, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/1635
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid ejection head includes: actuator plates having discharge channels to be filled with an ink; sub-plates stacked on the −Z-direction end surfaces of discharge channels in the actuator plates along a flow direction of the ink and having communication paths communicating with the discharge channels; and a nozzle plate stacked on the −Z-direction end surfaces of the communication paths in the sub-plates along the flow direction and having nozzle holes communicating with the discharge channels through the communication paths. The −Z-direction end surfaces of the sub-plates are polished.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.