Ink jet array
US4605939A · kind A · utility
31Cited by
10References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 1985 |
| Grant date | Aug 12, 1986 |
| Priority date | — |
| Expiry date | Aug 30, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/145
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink jet printing head comprising an array of successive pairs of cavity plates and transducer plates. The transducer plates are one-piece elements composed of piezo-ceramic material and can have multiple diaphragms on opposing faces matching with cavities in the cavity plates. Many such pairs of cavity plates and transducer plates can be joined together to form a printing head which can achieve a very high density of nozzles, specifically, on the order of 150 to 200 nozzles per inch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.