The packaging of microelectromechanical devices is currently one of the most challenging in this emerging field. The available packaging technologies often provide large dimensions and expensive solutions, thereby limiting the market penetration of micro electromechanical devices. A wafer level chip scale package (WLCSP) with an integrated cavity above the active area of the device for microelectromechanical components is described. This WLCSP is designed for devices with mechanically moving components such as micromirrors, miniature gyroscopes, acceleration detectors, etc.
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