Drop on demand ink jet printing apparatus
US6331045A · kind A · utility
20Cited by
3References
49Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2001 |
| Grant date | Dec 18, 2001 |
| Priority date | — |
| Expiry date | Mar 13, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/18
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Drop-on-demand ink jet printing apparatus comprises a nozzle on a nozzle axis; an ink chamber communicating with the nozzle, a piezoelectric actuating structure, said structure extending around the nozzle axis and extending in the direction of the nozzle axis; an actuating surface facing the nozzle, said structure being actuable to move said actuating surface in the direction of the nozzle axis to effect droplet ejection through the nozzle; and electrodes for applying an actuating electric field to the actuating structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.