Patent ID: 6824083
Filing Date: 2004-11-30
Classification: B41J

Abstract:
A fluid jetting device for jetting fluid droplets onto a subject to be fluid-jetted, the fluid jetting device comprising:a fluid pool; a plurality of chambers arranged in a matrix form and communicating to the fluid pool; a nozzle formed in each of the plurality of chambers, the nozzle for jetting the fluid droplets onto the subject; a fluid supplying portion for supplying the fluid to the fluid pool; and a plurality of fluid pressure applying portion for driving each of chambers, wherein the fluid pool includes: a first flow path elongating along a first direction and disposed in the vicinity of the fluid supplying portion; and a plurality of second flow paths branching off from the first fluid path and elongating in a second direction perpendicular to the first fluid path; wherein the first fluid path is connected to both end portions of each of second fluid paths; and wherein the second fluid paths are divided at a substantially center portion thereof.