Method for fabricating an ink jet head having improved discharge port formation face
US5482660A · kind A · utility
14Cited by
19References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 1992 |
| Grant date | Jan 9, 1996 |
| Priority date | — |
| Expiry date | Oct 30, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S451/91
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method for fabricating an ink jet recording head in which at least liquid channels, discharge ports and a ceiling plate for the formation of an ink liquid chamber are laminated on a substrate having ink discharge energy generating elements arranged on its surface, characterized in that said ceiling plate is formed of a high molecular resin having dispersed water-repellent grains composed of fluoro-oligomer, fluoropolymer, or fluorinated graphite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.