PARTICLE DIAMETER MEASURING METHOD AND PARTICLE DIAMETER MEASURING APPARATUS

PARTICLE DIAMETER MEASURING METHOD AND PARTICLE DIAMETER MEASURING APPARATUS

PROBLEM TO BE SOLVED: To accurately and easily measure a particle diameter in a short time. SOLUTION: A particle diameter measuring method includes: the mixing step for mixing reference particles 21, 22, 23 having known particle diameters with a sample liquid containing a to-be-measured particle; th...

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Bibliographische Detailangaben
Hauptverfasser: SUGIYAMA SUSUMU, MIYAMURA KAZUHIRO, YONEZAWA HIYOUSUKE, OMORI YOICHI, KHUMPUANG SOMMAWAN, IKEDA MOTOHIDE, OE KATSUTOSHI
Format: Patent
Sprache:eng
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Zusammenfassung:PROBLEM TO BE SOLVED: To accurately and easily measure a particle diameter in a short time. SOLUTION: A particle diameter measuring method includes: the mixing step for mixing reference particles 21, 22, 23 having known particle diameters with a sample liquid containing a to-be-measured particle; the classifying step for introducing a mixture liquid created by the mixing step into a gap continuously varied so as to generate a capillary phenomenon, and classifying the to-be-measured particle and the reference particles 21, 22, 23 in accordance with the particle diameters; and the measuring step for measuring the particle diameter of the to-be-measured particle from a classification result of the to-be-measured particle and the reference particles 21, 22, 23. COPYRIGHT: (C)2009,JPO&INPIT