CPC H05G 2/006 (2013.01) [G03F 7/70033 (2013.01); G03F 7/7055 (2013.01); H05G 2/008 (2013.01)] | 19 Claims |
1. A droplet accelerating assembly configured to accelerate a droplet ejected by a droplet generator, the droplet accelerating assembly comprising:
an acceleration chamber extending in a first direction parallel to an ejection direction of the droplet, the acceleration chamber including:
a first side connected to the droplet generator,
a second side opposite the first side in the first direction, the second side including a discharge hole, and
a fluid flow path;
a pressure controller connected to the fluid flow path of the acceleration chamber, the pressure controller being configured to adjust an internal pressure of the acceleration chamber;
an electrifier in the acceleration chamber, the electrifier being configured to electrify the droplet ejected by the droplet generator into an electrified droplet; and
an accelerator in the acceleration chamber, the accelerator being configured to accelerate the electrified droplet and including an accelerating electrode having a ring shape extending along an inner surface of the acceleration chamber, the accelerating electrode including an acceleration hole through a center portion thereof, and a width of the acceleration hole being adjustable.
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