Liquid ejection head and recording device using same
US10286665B2 · kind B2 · utility
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0References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 2016 |
| Grant date | May 14, 2019 |
| Priority date | — |
| Expiry date | Jul 28, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/21
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid ejection head includes a first channel member and a plurality of pressurizing parts. The first channel member includes a plurality of ejection holes, a common channel, a damper chamber, and a damper. The first channel member is configured by a plurality of flat plates including a first plate with the plurality of ejection holes and a second plate adjacent to this. The second plate includes a first part sandwiched between the damper chamber and the first plate. A covering layer is unevenly provided on the first surface of the first part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.