Method of producing ink jet recording head and ink jet recording head
US6409931B1 · kind B1 · utility
17Cited by
6References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 1999 |
| Grant date | Jun 25, 2002 |
| Priority date | — |
| Expiry date | Jan 25, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/1645
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method of producing an ink jet recording head, in which a discharge port surface provided with a discharge port, through which ink is discharged, is provided comprises a conductive treatment step of carrying out a conductive treatment of the discharge port surface in a state where a material is present in the portion of the discharge port, a removing step of removing the material to open the discharge port, and an electrolytic deposition step of electrolytically deposit a water repellent material in the conduction-treated region of the discharge port surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.