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http://dx.doi.org/10.3740/MRSK.2015.25.11.616

Study on the Atmospheric Plasma Characteristics of Dielectric Barrier Discharge due to a Variation of the Duty Ratio of Pulse Modulation  

Park, Jong-in (Department of Electrical and Biological Physics, Kwangwoon University)
Hwang, Sang-hyuk (Department of Electrical and Biological Physics, Kwangwoon University)
Jo, Tae Hoon (Department of Electrical and Biological Physics, Kwangwoon University)
Yun, Myoung Soo (Department of Electrical and Biological Physics, Kwangwoon University)
Kwak, Hyoung sin (Department of Electrical and Biological Physics, Kwangwoon University)
Jin, Gi nam (R&D Center)
Jeon, Buil (Department of Electrical and Biological Physics, Kwangwoon University)
Choi, Eun Ha (Department of Electrical and Biological Physics, Kwangwoon University)
Kwon, Gi-Chung (Department of Electrical and Biological Physics, Kwangwoon University)
Publication Information
Korean Journal of Materials Research / v.25, no.11, 2015 , pp. 616-621 More about this Journal
Abstract
Atmospheric pressure plasma is used in the biological and medical fields. Miniaturization and safety are important in the application of apply atmospheric plasma to bio devices. In this study, we made a small, pocket-sized inverter for the discharge of atmospheric plasma. We used pulse power to control the neutral gas temperature at which the, when plasma was discharged. We used direct current of 5 V of bias(voltage). The output voltage is about 1 to 2 kilo volts the frequency is about 80 kilo hertz. We analyzsed the characteristics of the atmospheric plasma using OES(Optical emission spectroscopy) and the Current-Voltage characteristic of pulse power. By calculating of the current voltage characteristics, we were able to determine that, when the duty ratio increased, the power that actually effects the plasma discharge also increased. To apply atmospheric plasma to human organisms, the temperature is the most important factor, we were able to control the temperature by modulating the pulse power duty ratio. This means we can use atmospheric plasma on the human body or in other areas of the medical field.
Keywords
pulse plasma; atmospheric plasma; bio plasma; pulse power;
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