Liquid discharge head
US8770719B2 · kind B2 · utility
0Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 2012 |
| Grant date | Jul 8, 2014 |
| Priority date | — |
| Expiry date | Jul 6, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14435
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid discharge head includes a first substrate having an energy generating element for discharging a liquid, and a second substrate which is bonded to the first substrate and which has a discharge port for discharging the liquid and a groove that forms a passage for supplying the liquid to the energy generating element, wherein one surface of the second substrate on the front surface side of the liquid discharge head and the other surface thereof, which is the back surface of the one surface, are individually provided with recesses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.