| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid dispenser which can wash a liquid delivery head and can perform quick microdispensing. SOLUTION: This liquid dispenser 10 is provided with a syringe 20 which can freely sucks/delivers liquid or washing liquid in a liquid tank 25 or a washing liquid tank 24. When supplying the liquid to a liquid storing part 12 in a liquid delivery head 11 with the syringe 20, the liquid is delivered from the tip of a needle 20b in the state that a stopper 20e disposed on the needle 20b is abutted on a step part 17 of the liquid storing part 12 and a stopcock 20c disposed on the bottom part 20a' of a syringe tank 20a opens an atmosphere opening chamber 15. When washing the liquid storing part 12 in the liquid delivery head 11, the washing liquid is delivered from the tip of the needle 20b in the state that the stopper 20e is abutted on the step part 17 of the liquid storing part 12 and the stopcock 20c hermetically closes the atmosphere opening chamber 15. COPYRIGHT: (C)2005,JPO&NCIPI
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