Maintenance valve for fluid ejection head
US9630419B2 · kind B2 · utility
5Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2013 |
| Grant date | Apr 25, 2017 |
| Priority date | — |
| Expiry date | Sep 12, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/05
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ejection chip is disclosed, and comprises a substrate, a flow feature layer, a nozzle plate, and one or more valves. The substrate includes one or more fluid channels and one or more fluid ports each in communication with at least one of the one or more fluid channels. The flow feature layer is disposed over the substrate, and the flow feature layer include one or more flow features each in communication with at least one of the one or more fluid ports.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.