LIQUID DISCHARGE HEAD, LIQUID DISCHARGE APPARATUS, AND METHOD FOR PRODUCING LIQUID DISCHARGE HEAD
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United States of America Patent
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Issued Date -
May 27, 2021
app pub date -
Nov 17, 2020
filing date -
Nov 25, 2019
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Abstract
A liquid discharge head including: a film member including a discharge hole configured to discharge liquid; and a displacement member configured to displace a position of the film member to discharge the liquid from the discharge hole, wherein an edge of the film member forming the discharge hole has a curve in a cross section of the film member in a thickness direction of the film member, and a surface of the film member includes a passive film.
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