| 摘要 |
Streak-free spacer placement technology. Random numbers are generated by a computer (8), and each time the number is generated, it is made to correspond to a discharging position (11) of an object (10) to be discharged in a one-to-one relation, and is stored in a memory device (9) inside the computer (8). A coefficient value is obtained for each discharging position (11) based on the stored random number. A voltage value set for each of respective nozzle holes (N) to (N) is multiplied by the coefficient value to calculate an individual voltage value obtained for each of the discharging positions (11). Voltage is applied to a piezoelectric element in a discharging head (4) by the individual voltage value corresponding to the discharging position (11). Then by discharging a discharge liquid containing spacers from the plurality of nozzle holes (N) to (N) provided in the discharging head (4), the number of spacers corresponding to the random number are placed on the object (10) to be discharged.
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