Ink jet printhead having thin film structures for improving barrier island adhesion
US6464343B1 · kind B1 · utility
1Cited by
4References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2001 |
| Grant date | Oct 15, 2002 |
| Priority date | — |
| Expiry date | Oct 31, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14403
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A fluid drop ejecting apparatus including a thin film stack including a plurality of heater resistors formed on a substrate having a feed edge, a patterned fluid barrier layer disposed on the thin film stack, respective fluid chambers formed in the barrier layer over respective heater resistors, fluid feed features formed in the barrier layer between the fluid feed edge and the ink chambers, and a thin film metal structure in a metal layer of the thin film stack and located between the ink feed edge and the fluid chambers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.