| 摘要 |
PROBLEM TO BE SOLVED: To provide an evaporation rate measuring method and an evaporation characteristic measuring method capable of measuring quantitatively and quickly an evaporation rate or the like of a liquid. SOLUTION: A liquid material is delivered in a form of a micro liquid drop by an ink jet device 10, and the evaporation rate of the liquid material is measured based on a mass of the liquid drop and a drying time thereof. The drying time of the liquid drop is detected based on an image picked up by a high speed camera 3, and the mass of the liquid drop is estimated based on a shape or the like just after the delivery. The drying time may be measured by direct observation of the liquid drop using a microscope. The mass may be measured directly using a quartz oscillator or the like. COPYRIGHT: (C)2005,JPO&NCIPI
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