Inkjet printhead
US7740341B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2007 |
| Grant date | Jun 22, 2010 |
| Priority date | — |
| Expiry date | Apr 23, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/11
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An inkjet printhead including a substrate, a plurality of heaters, multiple pairs of leads, an ink chamber layer, and a nozzle plate is provided. The substrate has a top surface and a plurality of ink channels through the substrate in the direction substantially vertical to the top surface. The heaters, the multiple pairs of leads, and the ink chamber layer are disposed on the surface of the substrate. The multiple pairs of leads are electrically coupled to the corresponding heaters respectively, and the heaters are respectively adjacent to the corresponding ink channels. The ink chamber layer has a plurality of ink chambers which respectively expose the corresponding heaters and the corresponding ink channels. The nozzle plate is disposed on the ink chamber layer and has a plurality of nozzles through the nozzle plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.