| 摘要 |
In a droplet ejection apparatus for forming a conductive pattern with a conductive pattern formation ink comprised of a water-based dispersion medium and metal particles dispersed in the water-based dispersion medium by an ink jet method, the droplet ejection apparatus includes a droplet ejection head having a reservoir with ink chambers for storing the conductive pattern formation ink and a plurality of nozzles from which droplets of the conductive pattern formation ink are to be ejected by the ink jet method. A filling liquid is used instead of the conductive pattern formation ink for filling the reservoir and the ink chambers to prevent the reservoir and the ink chambers from being dried when the droplet ejection apparatus is not used for a certain period of time. The filing liquid is comprised of the water-based dispersion medium, a sugar alcohol A and a surfactant A. The filling liquid can be easily and reliably replaced with the conductive pattern formation ink.
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