Patent ID: 7909428

Claim:
A fluid ejection device comprising: a substrate; a fluidic layer assembly, composed of multiple layers, is mounted to said substrate, said fluidic layer assembly having a first side facing said substrate and a second side facing away from said substrate, and wherein said fluidic layer assembly includes a raised portion formed on said second side; a first nozzle formed through said fluidic layer assembly in a portion other than said raised portion; and a second nozzle formed through said fluidic layer assembly in said raised portion, wherein said first nozzle and said second nozzle extend through said fluidic layer assembly from said first side to said second side, and wherein said second nozzle is longer than said first nozzle and, from said first side of said fluidic layer assembly, has a converging cross-sectional area larger than that of said first nozzle at said first side of said fluidic layer assembly and, to said second side of said fluidic layer assembly, has a converging cross-sectional area larger than that of said first nozzle at said second side of said fluidic layer assembly.