Liquid ejection head and method of manufacturing the same
US8596759B2 · kind B2 · utility
1Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2011 |
| Grant date | Dec 3, 2013 |
| Priority date | — |
| Expiry date | Dec 16, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/42
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid ejection head includes a flow path forming member having an ejection orifice for ejecting liquid therefrom and a liquid flow path communicated with the ejection orifice, a silicon substrate including a supply port for supplying the liquid to the liquid flow path, and a protective film which is formed on a wall surface of the supply port and which is formed of an organic resin which is of the same material as that of a member forming the flow path forming member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.