Process for manufacturing a monolithic printhead with truncated cone shape nozzles
US7533463B2 · kind B2 · utility
7Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2005 |
| Grant date | May 19, 2009 |
| Priority date | — |
| Expiry date | Jul 14, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49401
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process for manufacturing a monolithic thermal ink jet printhead (40) comprising a plurality of chambers (74) and of nozzles (56), comprises steps of (206) depositing a plurality of sacrificial layers (31), of obtaining, by means of exposure and development operations, a plurality of casts (156), of (215) applying a structural layer (107), and subsequently steps of (225) removing the casts (156) and of (226) removing the sacrificial layers (31), in order to produce a plurality of chambers (74) and nozzles (56).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.