Liquid discharge head, recording apparatus, and method of manufacturing liquid discharge head
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 10, 2020
Grant Date -
Jan 3, 2019
app pub date -
Jun 20, 2018
filing date -
Jun 20, 2018
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A liquid discharge head includes a substrate that is provided with a supply passage having an opening; an energy generating element that is disposed on a surface of the substrate; an electric wiring layer; an insulation layer; and a discharge port member that forms a discharge port. The insulation layer has an end portion adjacent to the opening of the supply passage and set back from an edge of the opening of the supply passage toward a side where the energy generating element is disposed. The electric wiring layer includes a plurality of electric wiring layers layered on each other.
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