公开(公告)号：US08542465B2

公开(公告)日：2013-09-24

申请号：US12725730

申请日：2010-03-17

申请人： Yanning Liu ,  Wing C. Shum ,  John E. Scura

发明人： Yanning Liu ,  Wing C. Shum ,  John E. Scura

IPC分类号： G11B5/596 ,  G11B5/48

CPC分类号： G11B5/483 ,  G11B5/4833 ,  G11B5/4853 ,  G11B5/4873 ,  G11B5/596

摘要： A novel suspension assembly includes a suspension assembly mounting plate, a microactuator mounting structure extending from the suspension assembly mounting plate, a load beam extending from the microactuator mounting structure, and a laminated flexure attached to the load beam. The laminated flexure includes a tongue that has a read head bonding surface. The suspension assembly includes a stainless steel surface having a gold coating, and a piezoelectric microactuator attached to the microactuator mounting structure and electrically connected to the gold coating.

公开(公告)号：US20120002329A1

公开(公告)日：2012-01-05

申请号：US12827813

申请日：2010-06-30

申请人： Wing C. Shum ,  Yanning Liu ,  John E. Scura

发明人： Wing C. Shum ,  Yanning Liu ,  John E. Scura

IPC分类号： G11B21/24 ,  G11B5/56

CPC分类号： G11B5/486 ,  G11B5/4873 ,  G11B5/5552 ,  G11B5/56 ,  G11B21/24

摘要： Disclosed is a suspension assembly for a disk drive that includes: a mounting plate having a through-hole extending from a top-side of the mounting plate to a bottom-side of the mounting plate; a microactuator mounting structure formed in the mounting plate; a microactuator mounted in the microactuator mounting structure; and a flexure attached to the bottom-side of the of mounting plate. The flexure includes: a metal layer; an insulator layer; a trace layer that includes a ground trace; and an opening, wherein the opening extends through the metal layer and the insulator layer to a gold-plated ground trace. A conductive epoxy is bonded to the microactuator and extends through the through-hole to bond to the flexure, wherein the epoxy extends through the opening of the flexure to the gold-plated ground trace of the flexure such that the microactuator is grounded to the flexure.

摘要翻译： 公开了一种用于盘驱动器的悬挂组件，其包括：安装板，其具有从安装板的顶侧延伸到安装板的底侧的通孔; 形成在安装板上的微致动器安装结构; 安装在微致动器安装结构中的微型致动器; 以及附接到安装板的底侧的挠曲件。 挠曲包括：金属层; 绝缘体层; 包括地面迹线的迹线层; 和开口，其中所述开口延伸穿过所述金属层和所述绝缘体层至镀金的接地迹线。 导电环氧树脂结合到微致动器并延伸通过通孔以结合到挠曲件，其中环氧树脂通过挠曲件的开口延伸到挠曲件的镀金接地迹线，使得微致动器接地到挠曲件 。

公开(公告)号：US20080291563A1

公开(公告)日：2008-11-27

申请号：US11802329

申请日：2007-05-22

申请人： Francisco Obregon ,  Mark S. Seymour ,  John E. Scura

发明人： Francisco Obregon ,  Mark S. Seymour ,  John E. Scura

IPC分类号： G11B21/02

CPC分类号： G11B5/5521

摘要： Certain example embodiments relate to torsion compensation coils that cooperate with primary coils in voice coil motors of disk drive devices, and methods of making the same. In certain example embodiments, a voice coil motor is provided which may include a single external magnet. A primary coil may be located above the external magnet, with the primary coil being capable of receiving a first current. At least one torsion compensation coil may be connected to the primary coil. The at least one torsion compensation coil may be capable of receiving a second current. The at least one torsion compensation coil may be configured to reduce torsion and/or bending forces introduced by the first current passing through primary coil and/or magnetic field leakage from the external magnet.

摘要翻译： 某些示例性实施例涉及与盘驱动装置的音圈马达中的初级线圈配合的扭转补偿线圈及其制造方法。 在某些示例性实施例中，提供了可以包括单个外部磁体的音圈电动机。 初级线圈可以位于外部磁体上方，初级线圈能够接收第一电流。 至少一个扭转补偿线圈可以连接到初级线圈。 所述至少一个扭转补偿线圈可以能够接收第二电流。 所述至少一个扭转补偿线圈可以被配置为减少由穿过初级线圈的第一电流和/或来自外部磁体的磁场泄漏引入的扭转和/或弯曲力。

公开(公告)号：US06583968B1

公开(公告)日：2003-06-24

申请号：US10004159

申请日：2001-10-31

申请人： John E. Scura ,  Hossein M. Moghadam

发明人： John E. Scura ,  Hossein M. Moghadam

IPC分类号： G11B539

CPC分类号： G11B5/40 ,  G11B5/012 ,  G11B2005/0016

摘要： An aspect of the invention can be regarded as a disk drive that includes a disk drive base and a magnetic disk. The disk drive further includes a rotary actuator coupled to the disk drive base. The rotary actuator has an MR read element disposed adjacent the magnetic disk. The MR read element has a bias voltage. The disk drive further includes a rotatable spindle motor hub for rotating the magnetic disk positioned on the spindle motor hub. The spindle motor hub is in electrical communication with the magnetic disk. The spindle motor hub is mechanically coupled to and electrically insulated from the disk drive base. The disk drive further includes a circuit for applying a voltage equivalent to the bias voltage to the spindle motor hub such that a voltage potential between the MR read element and the magnetic disk is mitigated.

摘要翻译： 本发明的一个方面可以被认为是包括磁盘驱动器基座和磁盘的磁盘驱动器。 磁盘驱动器还包括耦合到磁盘驱动器基座的旋转致动器。 旋转致动器具有邻近磁盘设置的MR读取元件。 MR读取元件具有偏置电压。 磁盘驱动器还包括用于旋转位于主轴电机集线器上的磁盘的可旋转主轴电动机毂。 主轴电机集线器与磁盘电连通。 主轴电机集线器机械耦合到磁盘驱动器基座并与其电绝缘。 磁盘驱动器还包括用于将等效于偏置电压的电压施加到主轴电机集线器的电路，从而减轻MR读取元件和磁盘之间的电压电位。

公开(公告)号：US08665567B2

公开(公告)日：2014-03-04

申请号：US12827813

申请日：2010-06-30

申请人： Wing C. Shum ,  Yanning Liu ,  John E. Scura

发明人： Wing C. Shum ,  Yanning Liu ,  John E. Scura

IPC分类号： G11B5/56

CPC分类号： G11B5/486 ,  G11B5/4873 ,  G11B5/5552 ,  G11B5/56 ,  G11B21/24

摘要： Disclosed is a suspension assembly for a disk drive that includes: a mounting plate having a through-hole extending from a top-side of the mounting plate to a bottom-side of the mounting plate; a microactuator mounting structure formed in the mounting plate; a microactuator mounted in the microactuator mounting structure; and a flexure attached to the bottom-side of the of mounting plate. The flexure includes: a metal layer; an insulator layer; a trace layer that includes a ground trace; and an opening, wherein the opening extends through the metal layer and the insulator layer to a gold-plated ground trace. A conductive epoxy is bonded to the microactuator and extends through the through-hole to bond to the flexure, wherein the epoxy extends through the opening of the flexure to the gold-plated ground trace of the flexure such that the microactuator is grounded to the flexure.

摘要翻译： 公开了一种用于盘驱动器的悬挂组件，其包括：安装板，其具有从安装板的顶侧延伸到安装板的底侧的通孔; 形成在安装板上的微致动器安装结构; 安装在微致动器安装结构中的微型致动器; 以及附接到安装板的底侧的挠曲件。 挠曲包括：金属层; 绝缘体层; 包括地面迹线的迹线层; 和开口，其中所述开口延伸穿过所述金属层和所述绝缘体层至镀金的接地迹线。 导电环氧树脂结合到微致动器并延伸通过通孔以结合到挠曲件，其中环氧树脂通过挠曲件的开口延伸到挠曲件的镀金接地迹线，使得微致动器接地到挠曲件 。

公开(公告)号：US20080218895A1

公开(公告)日：2008-09-11

申请号：US11713812

申请日：2007-03-05

申请人： John E. Scura ,  Thao A. Nguyen ,  David Tung

发明人： John E. Scura ,  Thao A. Nguyen ,  David Tung

IPC分类号： G11B21/02

CPC分类号： G11B5/6035 ,  G11B5/6017

摘要： Certain example embodiments relate to techniques for more precisely adjusting the spacing between a head and a disk in a disk drive device. A spindle motor of a disk drive device may be electrically isolated from at least the base plate by means of, for example, a nonconductive adhesive. Circuitry for monitoring and/or applying a voltage to the head and/or to the disk to control an amount of spacing between the head and the disk may be provided. In certain example embodiments, such circuitry may monitor the disk voltage and then apply an appropriate voltage bias to the head to control the spacing therebetween electrostatically. In certain other example embodiments, such circuitry may monitor the head voltage and then adjust the spindle voltage accordingly. In still other example embodiments, the disk voltage and the head voltage may be controlled and/or adjusted based on a known voltage differential so that a precise disk/head voltage potential is achieved.

摘要翻译： 某些示例性实施例涉及用于更精确地调整磁盘驱动器装置中磁头和磁盘之间的间隔的技术。 磁盘驱动装置的主轴电动机可以通过例如非导电粘合剂与至少基板电隔离。 可以提供用于监视和/或向磁头和/或磁盘施加电压以控制磁头和磁盘之间的间隔的电路。 在某些示例性实施例中，这样的电路可以监视磁盘电压，然后对磁头施加适当的电压偏置，以在静电之间控制间隔。 在某些其他示例性实施例中，这种电路可以监控磁头电压，然后相应地调整主轴电压。 在其他示例性实施例中，可以基于已知的电压差来控制和/或调整盘电压和磁头电压，从而实现精确的磁盘/磁头电压电位。

公开(公告)号：US07369345B1

公开(公告)日：2008-05-06

申请号：US11292831

申请日：2005-12-02

申请人： Yunfeng Li ,  Erhard Schreck ,  Wei Guo ,  Tim Glassburn ,  Mark Heimbaugh ,  William Flynn ,  Oliver Northrup ,  John E. Scura ,  Lin Guo ,  Xiaokun Chew

发明人： Yunfeng Li ,  Erhard Schreck ,  Wei Guo ,  Tim Glassburn ,  Mark Heimbaugh ,  William Flynn ,  Oliver Northrup ,  John E. Scura ,  Lin Guo ,  Xiaokun Chew

IPC分类号： G11B5/54 ,  G11B21/12

CPC分类号： G11B5/5582

摘要： A system provided for protecting a disk drive from impact damages. More specifically, a disk drive is provided that includes an accelerometer interconnected to a printed circuit board that detects free fall of the disk drive. In addition, the velocity of spinning disks of the disk drive is also monitored to assess changes in velocity thereof that may indicate the presence of a tumbling condition. Furthermore, the change in acceleration measured by the accelerometer is monitored to prevent false indications of free fall due to common vibrations. Thus an enhanced system is provided that protects disk drives from the effect of free falls under a wide variety of conditions and allowing for drops from shorter distances to be identified.

摘要翻译： 一种用于保护磁盘驱动器免受冲击损坏的系统。 更具体地，提供了一种盘驱动器，其包括与检测盘驱动器的自由落下的印刷电路板互连的加速度计。 此外，还监视磁盘驱动器的旋转磁盘的速度以评估其速度的变化，其可以指示存在翻滚状况。 此外，监测由加速度计测量的加速度变化，以防止由于共同振动引起的自由落体的错误指示。 因此，提供了一种增强的系统，其保护磁盘驱动器免受各种条件下的自由落体的影响，并允许识别较短距离的液滴。

公开(公告)号：US08339748B2

公开(公告)日：2012-12-25

申请号：US12826550

申请日：2010-06-29

申请人： Wing C. Shum ,  Yanning Liu ,  John E. Scura

发明人： Wing C. Shum ,  Yanning Liu ,  John E. Scura

IPC分类号： G11B5/55

CPC分类号： G11B5/4873 ,  G11B5/486

摘要： Disclosed is a suspension assembly for a disk drive that includes: a mounting plate having a top-side and a bottom-side; a microactuator mounting structure formed in the mounting plate; a microactuator mounted in the microactuator mounting structure in which the microactuator has a top-side and a bottom-side; and a flexure attached to the bottom-side of the of mounting plate and the microactuator. The flexure includes a pad layer and a through-hole, in which the through-hole extends through the pad layer. An epoxy on the pad layer bonds widely to the microactuator and extends through the through-hole.

摘要翻译： 公开了一种用于盘驱动器的悬架组件，其包括：具有顶侧和底侧的安装板; 形成在安装板上的微致动器安装结构; 安装在微致动器安装结构中的微致动器，其中微致动器具有顶侧和底侧; 以及附接到安装板和微型致动器的底侧的挠曲件。 挠曲件包括垫层和通孔，其中通孔延伸穿过衬垫层。 衬垫层上的环氧树脂广泛地粘合到微致动器并延伸穿过通孔。

公开(公告)号：US20110228425A1

公开(公告)日：2011-09-22

申请号：US12725730

申请日：2010-03-17

申请人： YANNING LIU ,  WING C. SHUM ,  JOHN E. SCURA

发明人： YANNING LIU ,  WING C. SHUM ,  JOHN E. SCURA

IPC分类号： G11B5/48

CPC分类号： G11B5/483 ,  G11B5/4833 ,  G11B5/4853 ,  G11B5/4873 ,  G11B5/596

摘要： A novel suspension assembly includes a suspension assembly mounting plate, a microactuator mounting structure extending from the suspension assembly mounting plate, a load beam extending from the microactuator mounting structure, and a laminated flexure attached to the load beam. The laminated flexure includes a tongue that has a read head bonding surface. The suspension assembly includes a stainless steel surface having a gold coating, and a piezoelectric microactuator attached to the microactuator mounting structure and electrically connected to the gold coating.

摘要翻译： 一种新型的悬挂组件包括悬架组件安装板，从悬架组件安装板延伸的微致动器安装结构，从微致动器安装结构延伸的负载梁和附接到负载梁的层压挠曲件。 层压挠曲包括具有读取头结合表面的舌头。 悬架组件包括具有金涂层的不锈钢表面和附接到微致动器安装结构并电连接到金涂层的压电微致动器。

公开(公告)号：US07876532B2

公开(公告)日：2011-01-25

申请号：US11688405

申请日：2007-03-20

申请人： John E. Scura ,  John Beley ,  David Chew ,  Wendy Lorimer ,  Babu Rahman ,  Frank Ivan Morris

发明人： John E. Scura ,  John Beley ,  David Chew ,  Wendy Lorimer ,  Babu Rahman ,  Frank Ivan Morris

IPC分类号： G11B5/55

CPC分类号： G11B5/4813 ,  G11B5/5569

摘要： A rotary actuator motor is provided including a stationary coil section and a rotating magnet. The magnet is incorporated with the pivot bearing assembly, and the coil section is aligned with the magnet along an axis of rotation of the actuator. The magnet fully encircles the axis of rotation. The coil comprises one or more closed loops of electrically conductive material. The motor in this arrangement maintains a much smaller profile in comparison to a traditional voice coil motor that is mounted to a yoke extending away from the axis of rotation of the actuator.

摘要翻译： 旋转执行器马达设置有固定线圈部分和旋转磁体。 磁体与枢转轴承组件结合，并且线圈部分沿着致动器的旋转轴与磁体对准。 磁铁完全环绕旋转轴。 线圈包括一个或多个导电材料的闭环。 与传统的音圈电动机相比，在这种布置中的电动机保持了更小的轮廓，传统的音圈电动机安装到远离致动器的旋转轴线延伸的磁轭。