펄스변조의 듀티비 변경에 따른 DBD 대기압 플라즈마 특성 연구

박종인; 황상혁; 조태훈; 윤명수; 곽형신; 진기남; 전부일; 최은하; 권기청; Jong-in Park; Sang-hyuk Hwang; Tae Hoon Jo; Myoung Soo Yun; Hyoung sin Kwak; Gi nam Jin; Buil Jeon; Eun Ha Choi; Gi-Chung Kwon

Korean Journal of Materials Research, Vol.25, No.11, 616-621, November, 2015

DOI10.3740/MRSK.2015.25.11.616 Export Citation

펄스변조의 듀티비 변경에 따른 DBD 대기압 플라즈마 특성 연구

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

박종인^†, 황상혁, 조태훈, 윤명수, 곽형신, 진기남¹, 전부일, 최은하, 권기청^†

광운대학교 전자바이오물리학과
¹(주)다오닉스 연구소

Jong-in Park^†, Sang-hyuk Hwang, Tae Hoon Jo, Myoung Soo Yun, Hyoung sin Kwak, Gi nam Jin¹, Buil Jeon, Eun Ha Choi, and Gi-Chung Kwon^†

Department of Electrical and Biological Physics, Kwangwoon University, 20 Gwangun-ro, Nowon-gu, Seoul 01897, Korea
¹R&D Center, Corporation #813 Woolim W-City, 618, Sampyeong-dong, Bundang-gu, Seongnam-si, Gyeonggi-do 13486, Korea

E-mail:,

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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