Compact ink jet printhead
US6422676B1 · kind B1 · utility
12Cited by
1References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2001 |
| Grant date | Jul 23, 2002 |
| Priority date | — |
| Expiry date | Jun 19, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/15
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A compact thermal ink jet printhead including a printhead substrate, a plurality of side by side columnar arrays of drop generators formed in the printhead substrate, and drive circuits formed in the printhead substrate for energizing each ink drop generator. The printhead substrate has an ink drop generator packing density of at least 10.43 ink drop generators per square millimeter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.