Nozzle plate

Details Nozzle plate Nozzle plate

2011-04-26

2011-04-26

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S045000, C347S047000

Reexamination Certificate

active

07931356

ABSTRACT:
A nozzle plate suited for a droplet generator is provided. The nozzle plate includes a nozzle layer and at least one filler. The nozzle layer has a nozzle and at least one trench. The nozzle passes through the nozzle layer. The trenches apart from the nozzle are formed on a surface of the nozzle layer around the nozzle. The filler is filled in the trench. The wetting angle of the surface of the filler is different from the wetting angle of the surface of the nozzle layer. The nozzle plate has higher surface wear resistance and lower probability of jamming at the nozzle.

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