Ink jet recording head having an ink reservoir comprising a plurality of grooves with increased strength and volume capacity and ink jet recording apparatus having the same
US6137511A · kind A · utility
8Cited by
1References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 1997 |
| Grant date | Oct 24, 2000 |
| Priority date | — |
| Expiry date | Apr 4, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14387
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink jet recording head which can compensate for shortage of mechanical strength of an ink reservoir by preventing the piezoelectric film on an ink reservoir from cracking or being broken due to the vibration of a piezoelectric film or flowing or mechanical vibration of ink. The ink reservoir has at least two plane orientations at its bottom and is given different depths.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.