Ink-jet recording head and ink-jet recording apparatus
US6378996B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2000 |
| Grant date | Apr 30, 2002 |
| Priority date | — |
| Expiry date | Nov 15, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/13
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Disclosed are an ink-jet recording head in which rigidity of a compartment wall is improved and pressure generating chambers are arranged in a high density, a manufacturing method and an ink-jet recording apparatus thereof.An ink-jet recording head includes: a passage-forming substrate 10 having at least silicon layer that consists of single crystal silicon and pressure generating chambers 12 defined thereon, which communicate with a nozzle orifice 21; and a piezoelectric element 300 for generating a pressure change in the pressure generating chamber 12, the piezoelectric element 300 being provided in a region opposite the pressure generating chamber 12 via a vibration plate, which constitutes a portion of the pressure generating chamber 12. The ink-jet recording head further includes a joining plate 20 joined to the passage-forming substrate 10 on the surface where the piezoelectric element 300 is formed, and the nozzle orifice 21 is provided on the joining plate 20.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.