Liquid discharge head and liquid discharge apparatus
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United States of America Patent
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Sep 24, 2024
Grant Date -
Dec 7, 2023
app pub date -
Jun 5, 2023
filing date -
Jun 6, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A liquid discharge head includes a channel member and a recording element substrate. The channel member includes a discharge port configured to discharge liquid and at least one channel configured to supply the liquid to the discharge port. The recording element substrate includes a supply path and an energy generating element. The supply path connects to the at least one channel with a connection and is configured to supply the liquid to the at least one channel. The energy generating element is configured to discharge the liquid from the discharge port. The channel member further includes, at positions of the channel member facing the connection, a plurality of spaces, the spaces being formed by covering part of recesses of the channel member with a covering portion, the spaces each including an opening communicating with the at least one channel.
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