Ink-jet print head with a chamber sidewall heating mechanism and a method for fabricating the same
US7207661B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2004 |
| Grant date | Apr 24, 2007 |
| Priority date | — |
| Expiry date | Jan 20, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14387
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink-jet print head with a chamber sidewall heating mechanism includes a substrate, an insulation layer on the substrate, a main channel penetrating through the substrate, a plurality of V-shaped micro-channels each having a diverging end linking with the main channel and a converging end linking with an ink chamber on the insulation layer, and a nozzle plate with a plurality of orifices formed on the ink chamber. The V-shaped micro-channels are perpendicular to the main channel and parallel to and arranged on the insulation layer. Each chamber sidewall includes a heater structure to evaporate ink in the chamber to form a bubble, which pushes the ink in the chamber to eject from the orifice.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.