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http://dx.doi.org/10.9717/kmms.2022.25.8.1038

A Study on Efficient Frequency Control of Transducer for Skin Treatment Using Multi-Frequency Ultrasound  

Park, Jong-Cheol (Department of Electrical, Electronics & Information Communications Engineering, Graduate School, Tong Myong University)
Kim, Min-Sung (School of Artificial Intelligence, College of Artificial Intelligence Convergence TongMyong University)
Publication Information
Journal of Korea Multimedia Society / v.25, no.8, 2022 , pp. 1038-1048 More about this Journal
Abstract
Ultrasound is one of the effective methods for skin treatment. The skin penetration depth of the ultrasound depends on the ultrasonic frequency, that is, when the ultrasonic frequency is high, the depth is shallow. We have developed a transducer which can generate effectively 3 different ultrasonic frequencies removing interference between 3 types of frequencies according to impedance matching technology. The generated powers of transducer are 40.67W at 3.MHz, 17.46W at 11.7 MHz, and 14.79W at 21.5 MHz. The signal interference between the three frequencies is designed so that they do not interfere with each other by separating the signals using the SPDT (Single Pole, Double Throw) switch. The developed hybrid ultrasound transducer can be applied in skin care or skin treatment and beauty therapy.
Keywords
Multi-Frequency; Ultrasound; Transducer; Skin Treatment;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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