Liquid discharging head, liquid discharging apparatus and printing system
US6302518A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 6, 1997 |
| Grant date | Oct 16, 2001 |
| Priority date | — |
| Expiry date | Jun 6, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/21
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid discharge head comprises a grooved member including plural discharge ports for discharging liquid, plural grooves for respectively constituting first liquid paths directly communicating with the discharge ports, and a recess for constituting a first common liquid chamber communicating with the plural grooves and serving to supply the first liquid paths with liquid, plural element substrates, each including plural heat generating members for generating bubble in the liquid by giving heat thereto and walls of second liquid paths corresponding to each the heat generating members, and arranged along the direction of array of the discharge ports of the grooved member, and a partition wall positioned between the element substrates and the grooved member, and including, in positions respectively opposed to the heat generating members, plural movable members adapted to respectively displace toward the first liquid paths by the pressure of generation of the bubble.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.