Ink jet recording head and ink jet recorder
US6315400A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 16, 1999 |
| Grant date | Nov 13, 2001 |
| Priority date | — |
| Expiry date | Jun 16, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/11
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to an ink-jet recording head and an ink-jet recording device wherein peeling, a crack etc. at the end of a piezoelectric active part can be prevented. In an ink-jet recording head provided with a diaphragm constituting a part of a pressure generating chamber communicating with a nozzle aperture and a piezoelectric element formed on the diaphragm and provided with the piezoelectric active part of the piezoelectric element in an area opposite to the pressure generating chamber, a vibration regulating part for partially regulating vibration at least in a part of the diaphragm in the vicinity of a boundary with the peripheral wall of the pressure generating chamber is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.