发明名称 MOTOR EQUIPPED WITH CHUCKING DEVICE AND DISK DRIVE UNIT MOUNTED WITH THE MOTOR
摘要 PROBLEM TO BE SOLVED: To provide a structure for favorably disposing an attracting magnet magnetically attracting the body of rotation of a thin motor. SOLUTION: A first recessed portion 4211 and a second recessed portion 4212 so formed that it continues to the first recessed portion 4211 are formed in the base portion 412 of a housing 41. A yoke 47 is fixed in the second recessed portion 4212. The attracting magnet 46 is fixed on the upper face of the yoke 47. The attracting magnet 46 is housed in the first recessed portion 4211. A second flat portion 2315 of a turntable 231 is disposed in a position where it is opposed to the upper face of the attracting magnet 46 in the axial direction. COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2009100540(A) 申请公布日期 2009.05.07
申请号 JP20070269262 申请日期 2007.10.16
申请人 NIPPON DENSAN CORP 发明人 TAKAGI HITOSHI;HAYASHI SHIGEO;IWAI YUSUKE;YASUMOTO NOBUAKI;KONO YOSUKE
分类号 H02K21/22 主分类号 H02K21/22
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