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Magnetically actuated fast MEMS mirrors and microscanners
Magnetically actuated fast MEMS mirrors and microscanners
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机译:磁驱动快速MEMS反射镜和微扫描仪
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摘要
Magnetically and electromagnetically driven MEMS devices for reflecting light signals and for switching radio frequency (RF) signals are provided. In a preferred embodiment, a light reflecting device such as a mirror or micro-scanner comprises a plate operative to reflect light and at least two conductive flexural actuators connected to the plate and to a substrate and operative to impart a rotation or tilt motion to the plate under a force arising from the interaction of a current passing through the conductive flexural actuators and a magnetic field parallel to the substrate. An RF switch comprises a substrate and a membrane having a longitudinal dimension and a lateral dimension, the membrane positioned substantially parallel to and attached to the substrate and operative to provide at least two switching positions in response to actuation by a Lorenz force acting on it.
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