DROPLET FORMATION APPARATUS AND METHODS FOR FORMING DROPLET AND CALIBRATING PARTICLE SIZE MEASUREMENT APPARATUS

A droplet formation apparatus is provided for calibrating a particle size measurement apparatus. A vessel stores sample liquid. A pressure unit applies predetermined pressure to the sample liquid in the vessel. An oscillator is provided to one surface of the vessel for applying oscillation, which ha...

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Bibliographische Detailangaben
Hauptverfasser:	YAMASHITA YOSHINORI, YAMAGUCHI MAKOTO, KATOU HIDETOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A droplet formation apparatus is provided for calibrating a particle size measurement apparatus. A vessel stores sample liquid. A pressure unit applies predetermined pressure to the sample liquid in the vessel. An oscillator is provided to one surface of the vessel for applying oscillation, which has a predetermined frequency, to the sample liquid in the vessel. An orifice is provided to an other surface of the vessel. The orifice has at least one discharge hole. The orifice is configured to form a droplet, which has a predetermined particle size, from the sample liquid and configured to discharge the droplet in accordance with the predetermined pressure and the predetermined frequency applied to the sample liquid in the vessel.