Liquid ejecting head and liquid ejecting apparatus
US8696093B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2013 |
| Grant date | Apr 15, 2014 |
| Priority date | — |
| Expiry date | Feb 26, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/1623
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid ejecting head includes a nozzle; a pressure chamber communicating with the nozzle; a pressure chamber substrate having pressure chambers defined by partition walls; a pressure generator generating pressure change in liquid inside the pressure chamber; and a bottom joined to the pressure chamber substrate by adhesive; and an organic solvent-based ink ejected from the nozzle by driving a piezoelectric element and generating the pressure change in the pressure chamber, and when a width of the pressure chamber in an arrangement direction of the pressure chambers is W and a width of the adhesive in the arrangement direction of the pressure chambers in a state where the adhesive has flowed out from between a lower end portion of the partition wall and the bottom to the pressure chamber side and is then solidified is L, the following expression is satisfied, 0.05≦L/W≦0.3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.