Method of making a spindle motor to allow magnetic alignment bet

Metal working – Method of mechanical manufacture – Electrical device making

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Details

2960303, 1562757, H02K 1503, H02K 1516

Patent

active

056643144

ABSTRACT:
A spindle motor in a disc drive has a rotor assembly rotatably mounted to a base. A stator is mounted to the base and a magnet is mounted to the rotor assembly. The magnet or the stator is allowed to move in an axial direction relative to the other under the influence of magnetic interaction between the magnet and the stator. The magnet and stator are then rigidly fixed relative to one another in the axial direction.

REFERENCES:
patent: 4101371 (1978-07-01), Aggen
patent: 4141137 (1979-02-01), De Wolf et al.
patent: 4193184 (1980-03-01), Futterer
patent: 5501760 (1996-03-01), Mukawa

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