Liquid discharge head
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United States of America Patent
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Jul 15, 2014
Grant Date -
Jan 10, 2013
app pub date -
Jun 29, 2012
filing date -
Jul 4, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A liquid discharge head includes a recording element substrate including an electrode pad, a support member including a recess that supports the recording element substrate on a bottom surface thereof, an electric wiring member, and a sealant. The electric wiring member includes an opening through which the recording element substrate is exposed, an electric lead wire extending from the opening and connected to the electrode pad, and a protrusion formed in the opening and extending between a side surface of the recording element substrate and an inner side surface of the recess facing the side surface. A distal end of the protrusion is in contact with the bottom surface of the recess. The sealant is disposed in a region surrounded by a surface of the protrusion, the bottom surface of the recess, the inner side surface of the recess, and the side surface of the recording element substrate.
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