전력 분야로의 응용을 위한 신뢰적인 정전구동 MEMS 스위치HIGHLY RELIABLE MEMS RELAY WITH TWO-STEP SPRING SYSTEM AND HEAT SINK INSULATOR FOR POWER APPLICATIONS

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This paper reports remarkably reliable MEMS relays having a unique two-step spring system and a heat sink insulator. The two-step spring system is designed to reduce Joule-heating by lowering contact resistance. The heat sink insulator is proposed for efficiently removing heat generated in the contact area. These two features are firstly adopted in the MEMS relay for minimizing thermal damage in high current level, thus enhancing reliability significantly. The fabricated relay demonstrated contact resistance of 2 mΩ, which is the lowest value compared to the state-of-the-art [11]. In addition, the relay was operated up to 5.3x106 cycles at 1 V/200 mA in an air and hot switching condition with negligible contact resistance variation. The resulting lifetime is 500 times longer than that of the commercial MEMS relay measured in the same test setup.
Publisher
마이크로나노시스템학회
Issue Date
2015-04-03
Language
Korean
Citation

제17회 한국MEMS학술대회

URI
http://hdl.handle.net/10203/211096
Appears in Collection
EE-Conference Papers(학술회의논문)
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