Passivation of ink jet printheads
US6232135A · kind A · utility
15Cited by
2References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 1999 |
| Grant date | May 15, 2001 |
| Priority date | — |
| Expiry date | Apr 19, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49401
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process for the selective passivation of the channel walls of a channelled ink-jet printhead component by the chemical vapor deposition of a passivant coating, the process comprising mounting the component in a support in registration with a datum location therein, the support having masking means for masking selected areas of the component, and depositing the passivant coating on unmasked portions of the channel walls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.