Liquid crystal dispensing apparatus having confirming...

Details Liquid crystal dispensing apparatus having confirming... Liquid crystal dispensing apparatus having confirming...

2007-11-02

2010-06-29

Gibson, Randy W (Department: 2841)

Weighing scales

Discharge from weigher to receiver

C349S189000, C141S083000, C177S060000, C177S116000, C177S121000, C073S296000, C700S305000, C029S592100, C222S077000, C222S335000, C222S399000, C702S174000

Reexamination Certificate

active

07745741

ABSTRACT:
A liquid crystal dispensing apparatus determines an amount of liquid crystal remaining within a liquid crystal container. The apparatus includes a liquid crystal dispensing unit for containing liquid crystal material dispensable onto a substrate, the a liquid crystal dispensing unit including a liquid crystal container for containing the dispensable liquid crystal material and for receiving supplied gas, an upper cap secured to the liquid crystal container, a nozzle arranged at a lower portion of the liquid crystal container through which the liquid crystal material is dispensable, and a valve structure for allowing liquid crystal material contained within the liquid crystal container to enter the nozzle via a pressure from the supplied gas; and a weight measuring unit coupled to the liquid crystal dispensing unit for determining a weight of an amount of liquid crystal material remaining within the liquid crystal dispensing unit, wherein the weight measuring unit installed at the lower surface of the upper cap.

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