| 摘要 |
A liquid droplet discharging piezoelectric device 1 provided with a cavity member 11 with a built-in cavity 3 ; an introduction member 13 having introduction channel 5 connecting with the cavity 3 ; and a nozzle member 12 having nozzle channel 4 connecting with the cavity 3 on a side opposite to the channel 5 . This liquid droplet discharging piezoelectric device 1 is provided with an introduction port 6 , attached to the introduction member 13 , capable of introducing a liquid into the cavity 3 via the introduction channel 5 , and a discharge port 7 , attached to the nozzle member 12 , capable of discharging as droplets a liquid filled in the cavity 3 via the nozzle channel 40 . Even in a case where an amount of liquid droplets is of a nanoliter (nl) order, excellent stability and reproducibility are attained, and the unit can stably be operated when attached to an apparatus.
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