Ink jet recording head and ink jet apparatus having same
US5485184A · kind A · utility
52Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 4, 1995 |
| Grant date | Jan 16, 1996 |
| Priority date | — |
| Expiry date | May 4, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/11
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink jet head includes first and second members for constituting liquid passages by joining them together; the second member has an ejection outlet forming member having a thickness a and is provided with a jaw having a dimension b, wherein an inside end of an ejection outlet of the ejection outlet forming member is displaced by a distance c from adjacent wall of a liquid passage, with b.gtoreq.5 microns, c.gtoreq.3 microns, and 20 microns.ltoreq.a+b.ltoreq.60 microns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.