LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS
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United States of America Patent
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Issued Date -
May 23, 2024
app pub date -
Nov 15, 2023
filing date -
Nov 18, 2022
priority date (Note) -
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Abstract
A liquid ejecting head includes: a piezoelectric element that includes a first drive electrode, a second drive electrode, and a piezoelectric body, the piezoelectric body being provided between the first drive electrode and the second drive electrode in a lamination direction; a pressure chamber substrate that is provided on the one side of the lamination direction with respect to the vibration plate; and detection electrodes that acquire information on humidity and include a first detection electrode in contact with a protective film and a second detection electrode in contact with the protective film at a position separated from the first detection electrode.
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