Substrate for ink jet recording head
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United States of America Patent
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-
Sep 5, 2017
Grant Date -
Nov 10, 2016
app pub date -
Apr 25, 2016
filing date -
May 7, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Even if electrostatic discharge occurs, dielectric breakdown of an insulating layer for covering an element on a base substrate is inhibited. A substrate for an ink jet recording head includes: a base substrate including an element configured to apply energy for ejecting ink to ink and an insulating protective layer for covering the element; an ejection orifice forming member including an insulating first member for forming an ink flow path for supplying ink to the element and a second member including an ejection orifice surface having ejection orifices provided therein; and a columnar conductive member extending between the second member and the base substrate in a direction intersecting the ejection orifice surface.
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