Spindle motor and method for manufacturing same

Details Spindle motor and method for manufacturing same Spindle motor and method for manufacturing same

1998-01-27

2000-02-29

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310 45, 156218, H02K 2112

Patent

active

060313102

ABSTRACT:
A spindle motor comprises a rotor, which is rotatably supported by a stator, a rotor yoke, which is made up of a magnet fixed onto the rotor and a drive magnet, which is made of a bonded magnet which is adhesively fixed onto the rotor. A first metallic layer is formed onto a surface on the rotor yoke facing the drive magnet. A second metallic layer is formed on a surface of the drive magnet facing the rotor yoke.

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patent: 5452156 (1995-09-01), Uda et al.
patent: 5488594 (1996-01-01), Kobayasi et al.
patent: 5689388 (1997-11-01), Oka et al.
patent: 5744881 (1998-04-01), Ishizuka et al.

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