Printhead having impedance features
US8162466B2 · kind B2 · utility
4Cited by
366References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2009 |
| Grant date | Apr 24, 2012 |
| Priority date | — |
| Expiry date | Dec 26, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/20
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Ink jet printheads and printhead components having a body that include a flow path, a piezoelectric actuator having a piezoelectric layer fixed to the body and an impedance feature in the flow path are described. The impedance feature includes a plurality of posts arranged in a first row, at least one post in the first row of posts having a downstream surface that is concave.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.