Passivation of ink jet print heads
US6399402B2 · kind B2 · utility
13Cited by
7References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2001 |
| Grant date | Jun 4, 2002 |
| Priority date | — |
| Expiry date | Mar 13, 2021 |
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.