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- W1974028073 abstract "정전기적으로 구동되는 마이크로 소자는 센서 및 엑츄에이터 산업 분야에서 널리 활용되고 있다. 정전기적으로 구동되는 마이크로 소자 구조체는 수 마이크로미터 이하의 전극 사이 간격으로서 정전기적인 부착 현상에 의한 고장이 발생 한다. 본 연구에서는 마이크로 소자의 부착 현상을 개선하기위하여 전극의 길이와 면적을 달리한 마이크로 소자의 구조체를 제작하고, 원자 층 증착방법에 의한 알루미나 코팅 전과 후의 마이크로 소자의 풀인 전압(pull-in voltage)을 측정 비교 분석 하였다. 마이크로 소자의 상부 전극 길이 변화에서는 알루미나 코팅 후에 풀인 전압의 상승이 관찰되었고 전극면적이 클수록 풀인 전압 상승이 관찰되었다. 정전기적으로 구동되는 마이크로 소자의 부착 현상을 개선하기위한 방안으로 본 연구에서 적용된 알루미나 코팅 방법은 효과적인 방법이다. Electrostatically-actuated Micro device have been used widely in a variety of integrated sensors and actuators. Electrostatically-actuated micro devices with a gap of several micrometers or less between the electrodes have shown failure problems by electrostatic adhesion. To improve this adhesion phenomenon, micro devices of varying lengths and widths in electrodes were fabricated, and an alumina coating was then deposited using atomic layer deposition technology. The effects of improving adhesion phenomenon were compared by measuring the pull-in voltage before and after the coating process. The pull-in voltage increased with increasing length of the upper electrode after the coating. An increase in the electrode area results in an increase in the pull-in voltage after coating. The alumina coating method applied to improve the adhesion on an electrostatically-actuated micro device was observed as an effective method." @default.
- W1974028073 created "2016-06-24" @default.
- W1974028073 creator A5044888834 @default.
- W1974028073 date "2014-09-30" @default.
- W1974028073 modified "2023-10-16" @default.
- W1974028073 title "Effect of alumina coating on the Pull-in Voltage in Electrostatically actuated micro device" @default.
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- W1974028073 doi "https://doi.org/10.5762/kais.2014.15.9.5758" @default.
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