Liquid discharge head and method for manufacturing the same
US8342659B2 · kind B2 · utility
5Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2010 |
| Grant date | Jan 1, 2013 |
| Priority date | — |
| Expiry date | Feb 8, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49401
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid discharge head includes a substrate and a flow path wall member provided on the substrate and having a wall defining a flow path connected to a discharge port for discharging liquid. The flow path wall member is provided with a cavity not connected to the flow path, when viewed in a direction from the discharge port toward the substrate, the cavity has a shape of a character, and the character corresponds to information regarding the liquid discharge head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.