Ceramic piezoelectric ink jet print heads
US6412924B1 · kind B1 · utility
13Cited by
10References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 1998 |
| Grant date | Jul 2, 2002 |
| Priority date | — |
| Expiry date | Jan 13, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/1646
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A ceramic piezoelectric ink jet print head having at least one channel with walls coated with a multi-layer coating including an electronic barrier layer and an electrically conducting layer where the electric barrier layer is disposed between the channel well and the electrically conducting layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.