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1. 发明申请

US20150262610A1 SPINDLE MOTOR FOR HARD DISK DRIVE AND METHOD OF FABRICATION THEREOF 有权
标题翻译：用于硬盘驱动器的主轴电动机及其制造方法
公开(公告)号：US20150262610A1
公开(公告)日：2015-09-17
申请号：US14644900
申请日：2015-03-11
申请人： Marvell International LTD.
发明人： Ming Chou Lin , Mengjun Liu , Quan Jiang
IPC分类号： G11B19/20 , H02K15/00 , H02K1/27 , H02K3/26 , H02K3/28
CPC分类号： G11B19/2009 , H02K1/2793 , H02K3/26 , H02K3/28 , H02K7/086 , H02K15/00 , H02K21/24 , Y10T29/49012
摘要： A spindle motor for a hard disk drive includes a base and a bearing assembly coupled to the base. The bearing assembly includes a sleeve configured to rotatably support a shaft therein. A rotor hub is affixed to the shaft so as to be rotatable with the shaft about a rotational axis. A stator is arranged in between the rotor hub and the base. A first magnet is arranged over the stator and on a bottom surface of the rotor hub. In particular, the rotor hub includes a body portion, a peripheral wall portion extending from the body portion in a direction towards the base, and a flange portion having a disk seating surface configured for supporting one or more disks thereon. The peripheral wall portion is configured to at least partially surround the stator in a radial direction. There is also provided a method of fabricating the spindle motor and a hard disk drive incorporating the spindle motor.
摘要翻译：用于硬盘驱动器的主轴电机包括底座和联接到基座的轴承组件。轴承组件包括构造成可旋转地支撑轴的套筒。转子毂固定到轴上，以便可绕转轴旋转轴。定子布置在转子毂和基座之间。第一磁体布置在定子上并且在转子毂的底表面上。特别地，转子轮毂包括主体部分，从主体部分朝向基部的方向延伸的周壁部分，以及具有被配置为用于支撑一个或多个盘的盘座表面的凸缘部分。周壁部分构造成在径向方向上至少部分地围绕定子。还提供了一种制造主轴电动机的方法和包含主轴电动机的硬盘驱动器。

2. 发明授权

US09275674B2 Spindle motor for hard disk drive and method of fabrication thereof 有权
标题翻译：用于硬盘驱动器的主轴电机及其制造方法
公开(公告)号：US09275674B2
公开(公告)日：2016-03-01
申请号：US14644900
申请日：2015-03-11
申请人： Marvell International LTD.
发明人： Ming Chou Lin , Mengjun Liu , Quan Jiang
IPC分类号： G11B19/20 , H02K3/26 , H02K3/28 , H02K1/27 , H02K15/00
CPC分类号： G11B19/2009 , H02K1/2793 , H02K3/26 , H02K3/28 , H02K7/086 , H02K15/00 , H02K21/24 , Y10T29/49012
摘要： A spindle motor for a hard disk drive includes a base and a bearing assembly coupled to the base. The bearing assembly includes a sleeve configured to rotatably support a shaft therein. A rotor hub is affixed to the shaft so as to be rotatable with the shaft about a rotational axis. A stator is arranged in between the rotor hub and the base. A first magnet is arranged over the stator and on a bottom surface of the rotor hub. In particular, the rotor hub includes a body portion, a peripheral wall portion extending from the body portion in a direction towards the base, and a flange portion having a disk seating surface configured for supporting one or more disks thereon. The peripheral wall portion is configured to at least partially surround the stator in a radial direction. There is also provided a method of fabricating the spindle motor and a hard disk drive incorporating the spindle motor.
摘要翻译：用于硬盘驱动器的主轴电机包括底座和联接到基座的轴承组件。轴承组件包括构造成可旋转地支撑轴的套筒。转子毂固定到轴上，以便可绕转轴旋转轴。定子布置在转子毂和基座之间。第一磁体布置在定子上并且在转子毂的底表面上。特别地，转子轮毂包括主体部分，从主体部分朝向基部的方向延伸的周壁部分，以及具有被配置为用于支撑一个或多个盘的盘座表面的凸缘部分。周壁部分构造成在径向方向上至少部分地围绕定子。还提供了一种制造主轴电动机的方法和包含主轴电动机的硬盘驱动器。

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