Importance

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Abstract

A method for mass-producing coated products includes: (a) selecting in which one or more nozzles are selected; (b) testing in which droplet landing accuracies of the respective selected one or more nozzles are tested by ejecting a droplet; (c) classifying in which each of the selected one or more nozzles is classified into one of a chronic defective condition level, a temporary defective condition level, and a good condition level in accordance with the obtained droplet landing accuracies; and (d) ejecting in which a droplet is ejected using nozzles determined to be in the good condition level. The selecting (a), testing (b), classifying (c), and ejecting (d) are repeatedly performed in this order. In the selecting (a), nozzles classified into the good condition level and at least one of nozzles classified into the temporary defective condition level in the classifying (c) of the preceding cycle are selected.

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First Claim