| 摘要 |
PROBLEM TO BE SOLVED: To provide a dispenser capable of discharging a trace quantity of liquid drops with simple structure and having excellent controllability, reliability and stability. SOLUTION: This dispenser comprises a head part provided with a nozzle and a needle-like dispensing tip formed integrally with the nozzle or fixed to the nozzle detachably or by bonding to discharge a dispensed liquid from a discharge hole at the end part, and an exciting means for exciting the dispensing tip from the outside to generate progressive wave to the dispensing tip to thereby discharge the dispensed liquid from the discharge hole. |
