Canon kabushiki kaisha (20250115045). LIQUID EJECTION HEAD
LIQUID EJECTION HEAD
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LIQUID EJECTION HEAD
This abstract first appeared for US patent application 20250115045 titled 'LIQUID EJECTION HEAD
Original Abstract Submitted
a liquid ejection head includes an ejection port configured to eject liquid, a pressure generation element configured to generate pressure for ejecting the liquid from the ejection port, a pressure chamber on which the pressure by the pressure generation element acts, and a substrate where a supply port for supplying the liquid to the pressure chamber is formed, wherein a curved portion and a corner portion are provided at an end of a surface of the substrate on a pressure chamber side.