Droplet ejection apparatus and droplet ejection head

Details Droplet ejection apparatus and droplet ejection head Droplet ejection apparatus and droplet ejection head

2006-03-02

2009-02-03

Meier, Stephen D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Medium and processing means

C347S021000, C347S044000, C347S065000

Reexamination Certificate

active

07484839

ABSTRACT:
A moving distance is determined based on the time required by a deposited fine droplet to reach a target dot diameter and the velocity at which a movable stage is moved. An aperture is located at a position spaced from a nozzle, which ejects a droplet, by a distance equal to the moving distance. A light-transmissive liquid filling the aperture functions as a liquid lens for focusing a laser beam on a blot of a droplet. The light-transmissive liquid discharged from the aperture is used to clean a nozzle surface of an ejection head.

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Communication from Korean Patent Office regarding corresponding application.

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