Ink-jet printhead
US7101024B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 15, 2004 |
| Grant date | Sep 5, 2006 |
| Priority date | — |
| Expiry date | Nov 11, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/1437
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink-jet printhead includes an ink chamber to be filled with ink to be ejected, a manifold, which supplies ink to the ink chamber, an ink channel, which provides communication between the ink chamber and the manifold, a nozzle through which ink is ejected from the ink chamber, first and second heaters, which heat ink in the ink chamber to generate bubbles, and a conductor, which is electrically connected to the first and second heaters and applies a current to the first and second heaters, wherein the first and second heaters are positioned symmetrically around a center of the nozzle, and one of the first and second heaters is positioned adjacent to the ink channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.