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Researchers from Korea have developed a prototype of a high performance MEMS contact switch that could be used for a range of V and W-band communications and radar systems. Their design, which uniquely operates in a horizontal as well as a vertical direction, overcomes the problem of high-frequency signal transmission when the switch is off; something that is inherent in other MEMS contact switch...
Proposed is the concept of an RF MEMS contact switch with high isolation over 50 GHz, and experiment at work succeeds in showing its feasibility. High isolation was achieved using two directional motions, namely vertical and lateral movement of the contact part, contrary to typical MEMS switches that generally use one of two motions. Comb and parallel plate actuators enable the contact part to move...
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