Liquid jet recording head
US4686544A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 26, 1984 |
| Grant date | Aug 11, 1987 |
| Priority date | — |
| Expiry date | Nov 26, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14379
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid jet recording head comprises an orifice for forming flying liquid droplets by ejecting liquid, a heat actuating portion communicated with the orifice and where thermal energy for forming liquid droplets is applied to the liquid, at least one pair of electrodes electrically connected with a resistive heater layer provided on a support, an electrothermal transducer disposed between said one pair of electrodes and constituting a heat generating portion, at least one part of said one pair of electrodes disposed opposite each other sandwiching an insulating layer, characterized in that at least one electrode of said one pair of electrodes and said insulating layer are not disposed under the heat generating portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.