Printhead
US7052122B2 · kind B2 · utility
11Cited by
13References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2004 |
| Grant date | May 30, 2006 |
| Priority date | — |
| Expiry date | Feb 23, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49401
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Methods and articles used to degass liquids in a drop ejection device are disclosed. For example, a drop ejection device having a flow path in which fluid is pressurized for ejecting a drop from a nozzle opening, and a deaerator including a fluid reservoir region, a vacuum region, and a partition between the fluid reservoir region and the vacuum region, the partition including a wetting layer and a non-wetting layer and one or more channels extending through the wetting and non-wetting layers, wherein the wetting layer is exposed to the fluid reservoir region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.