Method of manufacturing ink jet head and ink jet head
US7169537B2 · kind B2 · utility
5Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 2004 |
| Grant date | Jan 30, 2007 |
| Priority date | — |
| Expiry date | Feb 11, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14475
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
To provide an ink jet head having a good stability of ejection and a method of manufacturing the ink jet head, a method of manufacturing an ink jet head that includes a cavity and a nozzle connected to the cavity and ejects fluid contained in the cavity from an ejection opening that is an opening provided on a side of the nozzle opposite to the cavity. An inside-nozzle lyophobic film is formed in the vicinity of the ejection opening and on the inside wall of the nozzle, the inside-nozzle lyophobic film providing a large difference between an advancing contact angle and a receding contact angle for the liquid to be ejected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.