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data storage device

A technology of data storage and equipment, applied in information storage, data recording, recording information storage and other directions, can solve problems such as incompatible thicknesses

Inactive Publication Date: 2018-01-02
MARVELL ASIA PTE LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional data storage devices used to store large amounts of data, such as platter drives, have thicknesses that are not compatible with this application

Method used

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Embodiment Construction

[0100] The following detailed description refers to the accompanying drawings, which show, by way of illustration, specific details and embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. Other embodiments may be utilized and structural, logical, and electrical changes may be made without departing from the scope of the present invention. The various embodiments are not necessarily mutually exclusive, as some embodiments can be combined with one or more other embodiments to form new embodiments.

[0101] Embodiments described in the context of one of the devices may be equally valid for the other device.

[0102]In various embodiments, the n-phase winding arrangement is configured such that in each stator pole pair a coil from a winding of one phase is arranged adjacent to a coil from a winding of another phase in a repeating arrangement along a closed loop.

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Abstract

According to an embodiment of the present invention, a data storage device comprising a motor having a stator is disclosed. The stator may include a substrate having a first surface and a second surface opposite to the first surface; and a n-phase winding arrangement having n phase windings; wherein each phase winding comprises m flat fractional-pitch coils arranged on the first surface of the substrate such that the coils are spaced apart uniformly along a closed loop and connected in series; wherein each coil together with an angular section of the substrate between the coil and an adjacent coil of the same phase winding defines a stator pole-pair; and wherein m is an integer larger than 1.

Description

[0001] Cross-References for Associated Applications [0002] This patent application claims the benefit of US Provisional Application No. 61 / 530,175, filed September 1, 2009, which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates generally to data storage, and more particularly to data storage products, including methods and apparatus for storing information. Background technique [0004] Mobile computing and / or communication devices are getting smaller thereby reducing the weight and size of data storage devices while requiring large storage capacities in the terabyte range and low power consumption. For example, many mobile computing devices exhibit thin and small form factors for ease of transport and general operation. Conventional data storage devices used to store large amounts of data, such as platter drives, have thicknesses that are not compatible with such applications. [0005] Therefore, what is needed...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K3/04G11B19/20G11B20/12G11B27/32
CPCG11B19/2009G11B19/20G11B27/324G11B2220/235G11B2220/2516H02K3/26
Inventor 毕超蔡葵陈强山詹智勇穆莱·理查德·艾利德瑞斯韩谷昌何志敏漂·拉努胡江峰华伟蒋全梁向晖林武中刘波马雁声王俊亮石建中苏清赐陈素菲王丽黄招龙席蔚亚杨啓良于胜凯余银犬袁智敏张敬良周铁军潘泰利斯·阿历斯波尔布迪·桑托索张启德卡纳安·顺达啦瓦迪温路刘宁宇牟建强李宗炜甘柯施文龙伦纳德·贡萨加林伟杰刘梦军温卡特摩南·温卡特科里实南陈青平
Owner MARVELL ASIA PTE LTD