A Technique of Particle Shape Analysis

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  • JINDO Katsuhiko
    Kobe particle center Scientific Instrumentation Business Div. SYSMEX CORPORATION
  • SAKURAI Tomohiro
    Scientific Instrumentation Business Div. SYSMEX CORPORATION

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Other Title
  • 粒子形状測定技術
  • リュウシ ケイジョウ ソクテイ ギジュツ

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Abstract

In the toner manufacturing process there are many parameters such as particle shape, size, flowability, electrostatic property and so on to be monitored. Especially toner shape influences the adherability and the cleaning performance of the toner. Therefore it is very important to evaluate a toner shape to improve a printing quality on the paper. However conventional microscopic method takes time to measure and may cause human error. Sysmex recently developed a new technique to solve these problems. In this report a basic theory of an image analysis method and new technique based on a sheath flow particle image analysis method are introduced.

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