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DISCHARGE HEAD MECHANISM, LIQUID DROPLET DISCHARGE DEVICE EQUIPPED WITH THE SAME, MANUFACTURING METHOD OF ELECTROOPTICAL DEVICE, ELECTROOPTICAL DEVICE, AND ELECTRONIC DEVICE
DISCHARGE HEAD MECHANISM, LIQUID DROPLET DISCHARGE DEVICE EQUIPPED WITH THE SAME, MANUFACTURING METHOD OF ELECTROOPTICAL DEVICE, ELECTROOPTICAL DEVICE, AND ELECTRONIC DEVICE
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机译:放电头机构,装有该放电头的液体液滴排出装置,光电装置的制造方法,光电装置和电子装置
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摘要
PROBLEM TO BE SOLVED: To provide a discharge head mechanism or the like which has a simple structure and can purge air bubbles from a channel extending from a functional-liquid storage means to a functional-liquid-droplet discharge head.;SOLUTION: A piping unit 143 connecting a functional-liquid storage means 141 to a functional-liquid-droplet discharge head 16 is equipped with the following: a branch connection 161 which has, at its upstream side, a single inflow port 201 connected to the functional-liquid storage means 141 and, at its outflow side, a main outflow port 202 and an upwardly extending sub-outflow port 203; a functional-liquid pipeline 163 of which the upstream end is connected to the main outflow port 202 and the downstream end is connected to an intra-head main channel; and an air purge pipeline 164 of which the upstream end is connected to the sub-outflow port 203 and the downstream end is connected to an air purge section. The air purge section is formed in the functional-liquid-droplet discharge head 16, independently of the intra-head main channel, and is composed of an intra-head sub-channel extending from a functional-liquid sub-introduction port 52 to a non-discharge nozzle 65b.;COPYRIGHT: (C)2005,JPO&NCIPI
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