发明名称 Thin interior rotor motor for driving a recording medium and disk apparatus using the same
摘要 An inner rotor motor includes a rotor having a plurality of magnetic poles (25n, 25s) circumferentially arranged, and a stator (3) that has a stator core (31) having a plurality of magnetic pole teeth (33-38) that are positioned on the outer side of the circumference of the rotor and oppose the rotor, a coil (33a-38a) being provided on each of the magnetic pole teeth. The stator is provided to an extent of 180 degrees or less with respect to the center of the rotor. <IMAGE>
申请公布号 EP1221757(A1) 申请公布日期 2002.07.10
申请号 EP20010309720 申请日期 2001.11.19
申请人 ALPS ELECTRIC CO., LTD. 发明人 WAUKE, TOMOKUNI
分类号 G11B19/20;H02K41/03 主分类号 G11B19/20
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