INKJET PRINTHEAD AND METHOD OF MANUFACTURING THEREOF

摘要

An inkjet printhead and method of manufacturing thereof is provided to allow printing work to be accomplished well and a heating element to be stably activated despite variation of current. An inkjet printhead comprises a substrate(31), an insulation layers(32,33) having a recess(43), equipped on the substrate; a heating element(36) whose top surface is concavely bent, provided on top of the recess; an electrode(37) contacting with the heating element in order to apply current to the heating element; a chamber layer(38) equipped on the top of the heating element; and a nozzle layer(39) having a nozzle(42), equipped on the top of the chamber layer.