Ink-jet printhead having high nozzle density
US6481828B2 · kind B2 · utility
1Cited by
3References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2001 |
| Grant date | Nov 19, 2002 |
| Priority date | — |
| Expiry date | Dec 7, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/14016
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An inkjet printhead includes a nozzle plate having a nozzle, a substrate having an ink feed hole, and an intermediate layer interposed between the nozzle plate and the substrate, wherein the intermediate layer includes an ink chamber connected to the ink feed hole and the nozzle and a heating element surrounding the ink chamber. In the present invention, the nozzle, the ink chamber, and the ink feed hole are formed in a straight channel, thereby providing a high density printhead.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.