The motor further comprises at least one stator comprising stator teeth and a coil operable to produce an alternating magnetic field exerting alternating axial forces on the buried magnet system that has a self centering force and a required stiffness to reciprocate at {HEAD ~ a frequency} near {TAIL ~ an alternating current supply frequency} 
near
The motor further comprises at least one stator comprising stator teeth and a coil operable to produce an alternating magnetic field exerting alternating axial forces on the buried magnet system that has a self centering force and a required stiffness to reciprocate at { HEAD ~ a frequency } near { TAIL ~ an alternating current supply frequency }
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