A Nozzle Assembly For A Droplet Based Material Jetting System For 2 D And 3 D Printing

Abstract: ABSTRACT TITLE: “A NOZZLE ASSEMBLY FOR A DROPLET BASED MATERIAL JETTING SYSTEM FOR 2D AND 3D PRINTING” Present disclosure discloses a nozzle assembly (100) for a droplet based material jetting system for 2D and 3D printing (200). The nozzle assembly includes a body (111) defined with inlet 5 conduit (115), outlet conduit (116), and cavity (114) at a junction of conduits. Further, the nozzle assembly includes arm (113) coupled to impact generator (205), and a patterned wettability plate coupled to bottom end (118) of body. The patterned wettability plate includes a central portion (123) defined with a hole, a first portion (121) surrounding the central portion, and a second portion (122) surrounding the first portion. The first portion is a hydrophilic 10 surface and is structured to allow discharge of a first predetermined volume (150) of a fluid received from the outlet conduit (116) through the hole. The second portion (122) is a superhydrophobic surface, the second portion retains the fluid within the first portion by restricting movement of fluid beyond the first portion. 15 Figures 4 and 5 are representative figures.

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