Liquid discharge head and liquid discharge device
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United States of America Patent
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Dec 13, 2022
Grant Date -
Dec 2, 2021
app pub date -
Apr 28, 2021
filing date -
May 29, 2020
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A liquid discharge head, comprising an insulating member arranged on a substrate, a resistive heating element arranged in the insulating member and configured to generate thermal energy used to discharge a liquid, a bubble chamber provided above the insulating member and configured to generate bubbles of the liquid based on the thermal energy, and a temperature detection element capable of detecting a temperature in the bubble chamber, wherein the temperature detection element is arranged between the resistive heating element and the bubble chamber and in a conductive layer closest to the bubble chamber in a plurality of conductive layers provided with respect to the insulating member.
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