Inkjet head
US8491103B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2012 |
| Grant date | Jul 23, 2013 |
| Priority date | — |
| Expiry date | Feb 7, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14491
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Disclosed is an inkjet head including a channel substrate; a multi-interconnect structure formed on the channel substrate, including a vibration layer, plural piezoelectric elements each including a first electrode, a piezoelectric layer and a second electrode, and a common electrode interconnect electrically connected to the first electrode including a first common electrode interconnect and a second common electrode interconnect which has a thickness thicker than that of the first common electrode interconnect; and a support substrate bonded to the channel substrate through the multi-interconnect structure, the support substrate being provided with a first concave portion at a surface facing the channel substrate at an area corresponding to the second common electrode interconnect to accommodate the second common electrode interconnect.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.