An inkjet head includes a discharge element substrate including a base material provided with an energy generation element for generating energy to be used for discharging ink, a discharge port provided corresponding to the energy generation element, and an electrode pad electrically connected to the energy generation element, an electric contact substrate including an electric contact terminal for receiving an electric signal from an inkjet apparatus, and an electric wiring tape for electrically connecting the electric contact substrate and the discharge element substrate to each other, wherein a sealing member sealing a vicinity of an electric connection portion between the electric contact substrate and the electric wiring tape is a cured product of a composition including a silicone-modified resin, a boron trifluoride compound, and a mercaptosilane compound.