Coating processes for an ink jet printhead
US5073785A · kind A · utility
46Cited by
11References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1990 |
| Grant date | Dec 17, 1991 |
| Priority date | — |
| Expiry date | Apr 30, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/1606
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A process for minimizing or avoiding drop deflection in ink jet devices which involves coating the ink jet head components with amorphous carbon and subsequently subjecting the amorphous carbon to fluorination in which results in a fluorine surface layer present on the amorphous carbon coating to prevent ink drop deflection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.