Patent ID: 6511162
Filing Date: 2003-01-28
Classification: B41J

Abstract:
A liquid discharge head having a head body provided with an orifice plate having a plurality of discharge ports for discharging liquid droplets therefrom, a plurality of flow paths communicating with respective ones of said plurality of discharge ports, a liquid chamber for supplying liquid to said plurality of flow paths, and a plurality of energy generating elements disposed correspondingly to said plurality of flow paths and generating energy for discharging said liquid droplets, said orifice plate being joined to the joined surface of said head body in which the communication ports of said flow paths communicating with said discharge ports of said orifice plate are disposed, characterized in that said orifice plate comprises a first member providing a core of said orifice plate and formed with apertures larger than said discharge ports at locations whereat said discharge ports are formed, and a second member covering both surfaces of said first member and inner surfaces of said apertures.