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==Applications==
<ref></ref>===Precision positioning===
One of the more common applications of capacitive sensors is for precision positioning. Capacitive displacement sensors can be used to measure the position of objects down to the [[nanometer]] level. This type of precise positioning is used in the semiconductor industry where [[silicon wafer]]s need to be positioned for exposure. Capacitive sensors are also used to pre-focus the [[electron microscope]]s used in testing and examining the wafers.
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