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Wada, Yuki; Sagawa, Jun*; Hirose, Yoshiyasu*; Satou, Akira; Shibamoto, Yasuteru; Yonomoto, Taisuke
no journal, ,
In this study, ultrasound liquid film thickness measurement system is developed to measure thin liquid film thickness using a piezo element of 15 MHz and an original driving circuit by the pulse-echo method. Since our system is higher frequency than previous study, we can observe individually multi-reflected signals in the liquid film until 0.2 mm thickness and it is indicated that high accuracy liquid film thickness measurement will be possible less than 0.2 mm thickness.
Sun, Haomin; Machida, Shinichi*; Hirose, Yoshiyasu*; Shibamoto, Yasuteru; Okagaki, Yuria; Yonomoto, Taisuke
no journal, ,
no abstracts in English