Substrate including a detection feature for liquid discharge head and liquid discharge head
US8439485B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 20, 2011 |
| Grant date | May 14, 2013 |
| Priority date | — |
| Expiry date | Aug 10, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14387
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid discharge head includes a heat accumulation layer provided on a board, an energy generation element configured to generate energy to discharge liquid from a discharge port and including a heat generation resistor layer provided on the heat accumulation layer and formed of a material configured to generate heat through supply of electricity and a pair of electrodes connected to the heat generation resistor layer, and an insulation layer including a silicon compound and provided so as to cover the energy generation element, and a line formed of a metal material provided between the heat accumulation layer and the insulation layer, and in at least a portion at a position closer to a flow path than the energy generation element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.