LIQUID DROPLET JET HEAD, METHOD FOR MANUFACTURING PRESSURIZING LIQUID CHAMBER FORMING MEMBER, LIQUID CARTRIDGE, AND LIQUID DROPLET JET RECORDER

摘要

PROBLEM TO BE SOLVED: To produce a fluid channel plate having no bending even in the long shape at low cost, and to provide a high quality liquid droplet jet head, a liquid cartridge and a liquid droplet jet recorder. SOLUTION: A pressurizing liquid chamber forming member 3 is made from silicon and the surface thereof is covered with a liquid-resistant thin film 22. A pressurizing liquid chamber pattern 15 is provided on a pressurizing liquid chamber forming face 14 of the pressurizing liquid chamber forming member 3 and a dummy pattern 18 similar to the pressurizing liquid chamber pattern 15 is provided on the whole face 16 opposite to the pressurizing liquid chamber forming face 14 to be opposed to the pressurizing liquid chamber pattern 15 in parallel to the longitudinal direction of the pressurizing liquid chamber pattern 15. The dummy patterns 18 are arranged in a staggered manner with respect to the adjacent dummy patterns in the short side direction of the pressurizing liquid chamber pattern 15. COPYRIGHT: (C)2008,JPO&INPIT