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March 11th, 2005

MEMS Motor Means No More Dead Batteries

Abstract:
To produce electricity, the 10-millimeter-wide generator -- about the size of a dime -- spins a small magnet above a mesh of coils fabricated on a chip. The micro-motor's magnet spins at 100,000 rpm, fast enough to produce 1.1 watts, enough power for a cell phone.

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