Liquid ejection head and liquid ejection apparatus
US10421287B2 · kind B2 · utility
7Cited by
8References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 2018 |
| Grant date | Sep 24, 2019 |
| Priority date | — |
| Expiry date | May 30, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/21
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A plurality of pressure chambers are formed in a circulation channel for liquid in order to array ejection ports in a high density in association with the circulation channel. The circulation channel is connected to a penetration supply path and a penetration recovery path that penetrate a substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.