Method of forming a hydrophobic coating layer on a surface of a nozzle plate for an ink-jet printhead
US7329363B2 · kind B2 · utility
2Cited by
19References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2005 |
| Grant date | Feb 12, 2008 |
| Priority date | — |
| Expiry date | Apr 6, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/1646
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method of forming a hydrophobic coating layer on a surface of a nozzle plate for an ink-jet printhead includes preparing a nozzle plate having a nozzle, forming a metal layer on a surface of the nozzle plate, forming a material layer covering the metal layer, selectively etching the material layer to expose a portion of the metal layer formed on an outer surface of the nozzle plate, and forming the hydrophobic coating layer of a sulfur compound on the exposed portion of the metal layer by dipping the nozzle plate in a sulfur compound-containing solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.