Recording head having multi-layer matrix wiring
US5081474A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 28, 1990 |
| Grant date | Jan 14, 1992 |
| Priority date | — |
| Expiry date | Nov 28, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/13
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A recording head has a liquid channel defining member for defining a liquid channel communicated to a discharging opening for discharging ink, and a base member having a plurality of electricity-heat converting elements for generating heat to be transmitted to the ink filling the liquid channel. A matrix wiring portion is connected electrically to the electricity-heat converting elements, respectively. The matrix wiring portion has a multi-layer constitution having a first wiring and a second wiring. The second wiring is provided through an insulating layer on the first wiring, and the plurality of electricity-heat converting elements are provided on the insulating layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.