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Mechanically latchable tiltable platform for forming micromirrors and micromirror arrays
Mechanically latchable tiltable platform for forming micromirrors and micromirror arrays
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机译:机械可闩锁的可倾斜平台,用于形成微镜和微镜阵列
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摘要
A microelectromechanical (MEM) apparatus is disclosed which includes a platform that can be electrostatically tilted from being parallel to a substrate on which the platform to being tilted at an angle of 1–20 degrees with respect to the substrate. Once the platform has been tilted to a maximum angle of tilt, the platform can be locked in position using an electrostatically-operable latching mechanism which engages a tab protruding below the platform. The platform has a light-reflective upper surface which can be optionally coated to provide an enhanced reflectivity and form a micromirror. An array of such micromirrors can be formed on a common substrate for applications including optical switching (e.g. for fiber optic communications), optical information processing, image projection displays or non-volatile optical memories.
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