Ink jet printer nozzle plates with ink filtering projections
US6158843A · kind A · utility
32Cited by
44References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 1997 |
| Grant date | Dec 12, 2000 |
| Priority date | — |
| Expiry date | Mar 28, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/1639
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A nozzle plate for a printhead of a thermal inkjet printer having a thickness sufficient to provide a plurality of nozzle holes above a plurality of firing chambers. Ink supply channels, for feeding ink to the firing chambers, are connected to an ink supply region and the nozzle plate has a plurality of projections sufficient to filter ink entering the supply channels from the supply region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.