公开(公告)号：US07180711B1

公开(公告)日：2007-02-20

申请号：US10816536

申请日：2004-03-31

申请人： Ken L. Chang ,  Kamran Oveyssi ,  Shawn E. Casey ,  Chaw-Wu Tseng

发明人： Ken L. Chang ,  Kamran Oveyssi ,  Shawn E. Casey ,  Chaw-Wu Tseng

IPC分类号： G11B5/55

CPC分类号： G11B5/4846

摘要： A head stack assembly for a disk drive. The head stack assembly includes an actuator body. The actuator body includes a main body section defining a horizontal plane orthogonal to an axis of rotation. The actuator body further includes an actuator arm extending from the main body section. The actuator body further includes a flex cable guiding support extending from the main body section adjacent the actuator arm orthogonal to the horizontal plane. The head stack assembly further includes a flex cable including a substantially flat main cable body disposed in mechanical communication with the flex cable guiding support in planes orthogonal to the horizontal plane parallel to the axis of rotation.

摘要翻译： 用于磁盘驱动器的磁头堆叠组件。 头部堆叠组件包括致动器主体。 致动器主体包括限定与旋转轴正交的水平面的主体部。 致动器主体还包括从主体部分延伸的致动器臂。 致动器主体还包括柔性电缆引导支撑件，该主体部分与主体部分相邻地与水平面垂直的致动器臂延伸。 头部堆叠组件还包括柔性电缆，该柔性电缆包括基本上平坦的主电缆体，该电缆本体平行于与旋转轴平行的平面垂直于平面的平面中，与柔性电缆引导支架机械连通地设置。

公开(公告)号：US07145753B1

公开(公告)日：2006-12-05

申请号：US10846036

申请日：2004-05-15

申请人： Ken L. Chang ,  Kamran Oveyssi ,  Shawn E. Casey ,  Chaw-Wu Tseng

发明人： Ken L. Chang ,  Kamran Oveyssi ,  Shawn E. Casey ,  Chaw-Wu Tseng

IPC分类号： G11B5/55

CPC分类号： G11B5/5521 ,  G11B5/4853 ,  G11B5/486

摘要： A head stack assembly for a disk drive. The head stack assembly includes an actuator body defining an axis of rotation. The actuator body includes a main body section and a coil support portion extending from the main body section. The head stack assembly further includes an actuator coil supported by the coil support portion. The head stack assembly further includes insulated wiring extending between the actuator coil and the main body section in a direction orthogonal to the axis of rotation. The head stack assembly further includes a lateral wiring protector disposed laterally about the insulated wiring and extending from the main body section in a direction parallel to the axis of rotation. The lateral wiring protector includes an open channel with the insulated wiring disposed within the open channel.

摘要翻译： 用于磁盘驱动器的磁头堆叠组件。 头部堆叠组件包括限定旋转轴线的致动器主体。 致动器主体包括主体部分和从主体部分延伸的线圈支撑部分。 头堆叠组件还包括由线圈支撑部分支撑的致动器线圈。 头堆叠组件还包括在与旋转轴线正交的方向上在致动器线圈和主体部分之间延伸的绝缘布线。 顶部堆叠组件还包括横向布线保护器，横向布置在绝缘布线周围并且沿着平行于旋转轴线的方向从主体部分延伸。 横向布线保护器包括开放通道，绝缘布线设置在开放通道内。

公开(公告)号：US06934126B1

公开(公告)日：2005-08-23

申请号：US10328586

申请日：2002-12-23

申请人： Keith R. Berding ,  Shawn E. Casey

发明人： Keith R. Berding ,  Shawn E. Casey

IPC分类号： G11B5/48 ,  G11B5/54 ,  G11B33/12

CPC分类号： G11B33/121 ,  G11B5/4846 ,  G11B5/4853 ,  G11B33/122

摘要： A disk drive comprises a housing including a base; a disk rotatably attached to the base; a printed circuit board coupled to the base and including a plurality of circuit board pads; a head stack assembly pivotally coupled to the base about a pivot axis and a flex-to-board connector. The head stack assembly includes a head for reading and writing to the disk and a flex cable assembly that includes a flexible film including a plurality of conductive traces that are electrically coupled to the head. The flexible film includes a connecting portion in which each of the plurality of conductive traces defines a trace pad. Each trace pad is disposed on a surface of the flexible film that is generally parallel to the pivot axis. The flex-to-board connector is attached to the base and is configured to couple to the connecting portion of the flexible film and to maintain the surface of the flexible film on which the trace pads are disposed in an orientation that is generally parallel to the pivot axis. The flex-to-board connector includes a plurality of conductive fingers, each configured to electrically connect one of the trace pads to a corresponding one of the plurality of circuit board pads.

摘要翻译： 磁盘驱动器包括：壳体，包括基座; 可旋转地连接到基座的盘; 耦合到所述基座并且包括多个电路板焊盘的印刷电路板; 头部堆叠组件，其枢转地联接到基部围绕枢转轴线和挠曲到板连接器。 头部堆叠组件包括用于读取和写入盘的头部以及柔性电缆组件，其包括柔性膜，该柔性膜包括电耦合到头部的多个导电迹线。 柔性膜包括连接部分，其中多个导电迹线中的每一个限定迹线焊盘。 每个跟踪垫设置在柔性膜的大致平行于枢转轴线的表面上。 挠性对板连接器附接到基部并且被配置成耦合到柔性膜的连接部分并且将柔性膜的表面设置在其上的方向上，该取向大致平行于 枢轴。 柔性对板连接器包括多个导电指状物，每个导电指状物被配置为将迹线焊盘中的一个电连接到多个电路板焊盘中的对应的一个。

公开(公告)号：US06522504B1

公开(公告)日：2003-02-18

申请号：US09773957

申请日：2001-01-31

申请人： Shawn E. Casey

发明人： Shawn E. Casey

IPC分类号： G11B548

CPC分类号： G11B5/4853 ,  G11B5/4826

摘要： A disk drive includes a head gimbal assembly and a disk that includes a recording surface. The head gimbal assembly comprises a load beam, the load beam including a first load beam surface facing toward the recording surface and a second load beam surface facing away from the recording surface, a plurality of conductors at least partially supported by the first load beam surface, each conductor including a proximal conductive pad, a distal conductive pad and a conductive path between the proximal and distal conductive pads, the proximal conductive pad being closer to a pivot axis than the distal conductive pad, a gimbal coupled to the load beam, the gimbal including a gimbal proximal end that supports the respective distal conductive pads and a gimbal distal end, and a head for flying above the recording surface of the disk while reading magnetic data recorded on the recording surface of the disk as the disk spins in a rotational direction.

摘要翻译： 磁盘驱动器包括磁头万向架组件和包括记录表面的磁盘。 头万向架组件包括负载梁，负载梁包括面向记录表面的第一负载梁表面和背离记录表面的第二负载梁表面;至少部分地由第一负载梁表面支撑的多个导体 每个导体包括近端导电垫，远侧导电垫和在近端和远端导电垫之间的导电路径，近端导电垫更靠近远端导电垫的枢转轴线，耦合到负载梁的万向节， 万向架包括支撑相应的远端导电焊盘和万向节远端的万向接近端，以及当磁盘旋转时读取记录在磁盘的记录表面上的磁数据的磁头，用于在盘的记录表面上方飞行 方向。

公开(公告)号：US06502300B1

公开(公告)日：2003-01-07

申请号：US09630070

申请日：2000-07-31

申请人： Shawn E. Casey ,  Raffi Codilian ,  Roger G. Davis ,  Jorge Haro

发明人： Shawn E. Casey ,  Raffi Codilian ,  Roger G. Davis ,  Jorge Haro

IPC分类号： G11B5127

CPC分类号： G11B5/4813 ,  G11B5/5526 ,  G11B5/5569 ,  Y10S29/901 ,  Y10T29/49004 ,  Y10T29/49025 ,  Y10T29/49027 ,  Y10T29/5313 ,  Y10T29/53165

摘要： An aspect of the invention can be regarded as a method of balancing a rotary actuator for use in a rotatable head stack assembly (HSA) portion in a disk drive. The rotary actuator has a pivot axis, and the rotatable HSA portion has an installed HSA portion center-of-gravity. The method provides for deetermining a desired rotary actuator center-of-gravity location for locating the installed HSA portion center-of-gravity along the pivot axis for mitigating acceleration of the rotary actuator about the pivot axis due to external linear acceleration experienced by the disk drive during a track-follow operation. The method further provides for measuring weight distribution characteristics of the rotary actuator to determine an actual rotary actuator center-of-gravity. The method further provides for selectively modifying weight distribution characteristics of the rotary actuator to locate the actual rotary actuator center-of-gravity at the desired rotary actuator center-of-gravity location.

摘要翻译： 本发明的一个方面可以被认为是平衡用于磁盘驱动器中的可旋转磁头堆叠组件（HSA）部分中的旋转致动器的方法。 旋转致动器具有枢转轴线，并且可旋转HSA部分具有安装的HSA部分重心。 该方法提供了确定期望的旋转致动器重心位置，用于沿着枢转轴线定位所安装的HSA部分重心，以减轻旋转致动器围绕枢转轴线的加速度，这是由于盘受到的外部线性加速 在跟踪操作期间开车。 该方法进一步提供了测量旋转致动器的重量分布特性以确定实际的旋转致动器重心。 该方法还提供了选择性地改变旋转致动器的重量分布特性，以将实际的旋转致动器重心定位在期望的旋转致动器重心位置。

公开(公告)号：US06349464B1

公开(公告)日：2002-02-26

申请号：US09584837

申请日：2000-05-31

申请人： Raffi Codilian ,  Shawn E. Casey

发明人： Raffi Codilian ,  Shawn E. Casey

IPC分类号： G11B542

CPC分类号： G11B33/08 ,  G11B5/4813 ,  G11B5/5521 ,  Y10T29/49025

摘要： A method of making a balance-compensated (BC) rotary actuator for use in a rotatable BC head stack assembly (HSA) portion in a disk drive based upon track-follow characteristics of a rotatable test HSA portion is provided. The test HSA portion includes a test rotary actuator having a test actuator weight specification. The test rotary actuator has an actuator body portion, a test pivot axis extending through the actuator body portion and a head connected to the actuator body portion. The test rotary actuator is controlled to rotate about the test pivot axis for positioning the head over a selected disk track. The test rotary actuator has a test rotary actuator center-of-gravity torque vector associated therewith about the test pivot axis. The method provides for vibrating the disk drive at a vibration frequency in order to vibrate the test HSA portion. Position error information is read using the head while performing a track-follow operation during the vibrating of the test HSA portion. Head off-track error due to the vibration of the disk drive is derived based upon the read position error information representative of positioning of the head relative to the selected disk track. A resultant torque vector is derived based upon the head off-track error. The resultant torque vector has a magnitude equal to a mass of the test HSA portion times a distance between the test pivot axis and a test installed HSA portion center-of-gravity. The test installed HSA portion center-of-gravity takes into consideration forces acting upon the test rotary actuator due to installation with the test HSA portion. The resultant torque vector has a direction extending perpendicular from the test pivot axis towards the test installed HSA portion center-of-gravity. A balancing torque vector is derived having a magnitude equal to and a direction opposite of the resultant torque vector. The balancing torque vector is incorporated into the test actuator weight distribution specification to produce a BC actuator weight distribution specification. The BC actuator weight distribution specification is used to manufacture the BC rotary actuator having a BC pivot axis. The BC HSA portion has a BC HSA installation center-of-gravity at the BC pivot axis for mitigating external acceleration applied to the BC rotary actuator about the BC pivot axis due to external linear acceleration experienced by the disk drive during a track-follow operation.

公开(公告)号：US5781380A

公开(公告)日：1998-07-14

申请号：US831986

申请日：1997-04-01

申请人： Keith R. Berding ,  Shawn E. Casey ,  Charles B. Mountain

发明人： Keith R. Berding ,  Shawn E. Casey ,  Charles B. Mountain

IPC分类号： G11B5/48 ,  G11B5/50

CPC分类号： G11B5/4846 ,  G11B5/4853 ,  G11B5/486 ,  G11B5/50

摘要： The invention relates to a magnetic disk drive having a head stack assembly including a rotary actuator body having a flex circuit mounting site for mounting a main actuator flex circuit and an arm extending therefrom which supports a head gimbal assembly (HGA). The invention provides for molding the conductors into the arm and the actuator body so that the conductors are strategically exposed along the flex circuit mounting side of the actuator body and along an end of the arm body which mates with the HGA.

摘要翻译： 本发明涉及具有磁头堆叠组件的磁盘驱动器，磁头堆叠组件包括具有用于安装主致动器柔性电路的柔性电路安装位置的旋转致动器主体和从其延伸的支撑头部万向架组件（HGA）的臂。 本发明提供了将导体模制到臂和致动器主体中，使得导体沿着致动器本体的柔性电路安装侧并且沿着与HGA配合的臂主体的端部被战略性地暴露。

公开(公告)号：US5224000A

公开(公告)日：1993-06-29

申请号：US974675

申请日：1992-11-12

申请人： Shawn E. Casey ,  Terence H. West

发明人： Shawn E. Casey ,  Terence H. West

IPC分类号： G11B5/54 ,  G11B21/22

CPC分类号： G11B5/54 ,  G11B21/22

摘要： A magnetic latch for holding a head positioner assembly within a disc drive system. The disc drive system has a head positioning apparatus located within a housing for positioning a plurality of read/write heads relative to a recording media within the housing. The head positioning assembly carries a voice coil motor for precisely controlling the movements of the head positioner assembly. The magnetic latch is positioned within a bumper stop that limits the head positioners movement to hold the head positioner assembly in an orientation where the heads can be effectively parked without damaging the recording media.

摘要翻译： 用于将磁头定位器组件固定在磁盘驱动器系统内的磁性闩锁。 盘驱动系统具有位于壳体内的头部定位装置，用于相对于壳体内的记录介质定位多个读/写头。 头部定位组件带有用于精确地控制头部定位器组件的运动的音圈电机。 磁性闩锁定位在保险杠止动器内，限制头部定位器运动以将头部定位器组件保持在头部可有效停放而不损坏记录介质的方位。

公开(公告)号：US4947274A

公开(公告)日：1990-08-07

申请号：US454191

申请日：1989-12-21

申请人： Shawn E. Casey ,  Terence H. West

发明人： Shawn E. Casey ,  Terence H. West

IPC分类号： G11B5/54 ,  G11B21/22

CPC分类号： G11B5/54 ,  G11B21/22

摘要： A magnetic latch for holding a head positioner assembly within a disc drive system. The disc drive system has a head positioning apparatus located within a housing for positioning a plurality of read/write heads relative to a recording media within the housing. The head positioning assembly carries a voice coil motor for precisely controlling the movements of the head positioner assembly. The magnetic latch is positioned within a bumper stop that limits the head positioners movement to hold the head positioner assembly in an orientation where the heads can be effectively parked without damaging the recording media.

摘要翻译： 用于将磁头定位器组件固定在磁盘驱动器系统内的磁性闩锁。 盘驱动系统具有位于壳体内的头部定位装置，用于相对于壳体内的记录介质定位多个读/写头。 头部定位组件带有用于精确地控制头部定位器组件的运动的音圈电机。 磁性闩锁定位在保险杠止动器内，限制头部定位器运动以将头部定位器组件保持在头部可有效停放而不损坏记录介质的方位。

公开(公告)号：US4890176A

公开(公告)日：1989-12-26

申请号：US220329

申请日：1988-07-18

申请人： Shawn E. Casey ,  Terence H. West

发明人： Shawn E. Casey ,  Terence H. West

IPC分类号： G11B5/54 ,  G11B21/22

CPC分类号： G11B21/22 ,  G11B5/54

摘要： A magnetic latch for holding a head positioner assembly within a disc drive system. The disc drive system has a head positioning apparatus located within a housing for positioning a plurality of read/write heads relative to a recording media within the housing. The head positioning assembly carries a voice coil motor for precisely controlling the movements of the head positioner assembly. The magnetic latch is positioned within a bumper stop that limits the head positioners movement to hold the head positioner assembly in an orientation where the heads can be effectively parked without damaging the recording media.

摘要翻译： 用于将磁头定位器组件固定在磁盘驱动器系统内的磁性闩锁。 盘驱动系统具有位于壳体内的头部定位装置，用于相对于壳体内的记录介质定位多个读/写头。 头部定位组件带有用于精确地控制头部定位器组件的运动的音圈电机。 磁性闩锁定位在保险杠止动器内，限制头部定位器运动以将头部定位器组件保持在头部可有效停放而不损坏记录介质的方位。