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    HEAD-GIMBAL ASSEMBLY, MICROACTUATOR, AND MANUFACTURING METHOD OF THE MICROACTUATOR
    1.
    发明申请
    HEAD-GIMBAL ASSEMBLY, MICROACTUATOR, AND MANUFACTURING METHOD OF THE MICROACTUATOR 有权
    微型机组的总成本，微处理器和制造方法

    公开(公告)号：US20110075301A1

    公开(公告)日：2011-03-31

    申请号：US12622093

    申请日：2009-11-19

    申请人： Tatsumi TSUCHIYA ,  Haruhide Takahashi ,  Akio Takatsuka ,  Hideto Imai ,  Toshiki Hirano

    发明人： Tatsumi TSUCHIYA ,  Haruhide Takahashi ,  Akio Takatsuka ,  Hideto Imai ,  Toshiki Hirano

    IPC分类号： G11B5/48

    CPC分类号： G11B5/4826 ,  G11B5/4873

    摘要： A head-gimbal assembly. The head-gimbal assembly includes a suspension, a microactuator disposed on the suspension, and a head-slider bonded to the microactuator. The head-gimbal assembly further includes a connection pad disposed on the suspension, a connection pad disposed on the microactuator and formed over an edge between a side surface and a top surface of the microactuator to have a bend portion with an obtuse angle, and a metallic interconnection joint for interconnecting the connection pad of the suspension with the connection pad of the microactuator.

    摘要翻译： 一个万向节头组件。 头部万向节组件包括悬架，设置在悬架上的微型致动器和粘结到微型致动器的头部滑块。 头部万向节组件还包括设置在悬架上的连接垫，设置在微致动器上并形成在微致动器的侧表面和顶表面之间的边缘上以具有钝角的弯曲部分的连接垫，以及 金属互连接头，用于将悬架的连接垫与微致动器的连接垫相互连接。

    DISK DRIVE WITH MICRO-ACTUATOR INTERCONNECT CONDITIONING
    2.
    发明申请
    DISK DRIVE WITH MICRO-ACTUATOR INTERCONNECT CONDITIONING 审中-公开
    磁盘驱动器与微操作器互连调节

    公开(公告)号：US20110013319A1

    公开(公告)日：2011-01-20

    申请号：US12839342

    申请日：2010-07-19

    申请人： Eiji Soga ,  Hiroyasu Tsuchida ,  Akio Takatsuka ,  Masaru Muranishi ,  Hidehiko Numasato

    发明人： Eiji Soga ,  Hiroyasu Tsuchida ,  Akio Takatsuka ,  Masaru Muranishi ,  Hidehiko Numasato

    IPC分类号： G11B5/48

    CPC分类号： G11B5/4833 ,  G11B5/4873 ,  G11B5/5552 ,  G11B5/596

    摘要： A disk drive configured with micro-actuator interconnect conditioning. The disk drive includes a disk, a head, an actuator, a piezoelectric element, a hardened conductive adhesive, a voltage-supply circuit, and a controller. The head is configured to access the disk. The actuator includes a suspension supporting the head, and an arm supporting the suspension. The piezoelectric element is disposed on the suspension, is electrically connected to a first drive line and a second drive line, and is configured to change the position of the head. The hardened conductive adhesive is electrically connected to at least one connecting part of the piezoelectric element and the first drive line. The voltage-supply circuit is configured to supply a voltage to the piezoelectric element. The controller is configured to control a voltage-control circuit each time a designated process is executed, and to apply a voltage to the piezoelectric element with a prescribed maximum absolute value.

    摘要翻译： 配置有微执行器互连条件的磁盘驱动器。 磁盘驱动器包括盘，头，致动器，压电元件，硬化导电粘合剂，电压供应电路和控制器。 头被配置为访问磁盘。 致动器包括支撑头部的悬架和支撑悬架的臂。 压电元件设置在悬架上，电连接到第一驱动线和第二驱动线，并且被配置为改变头的位置。 硬化的导电粘合剂电连接到压电元件和第一驱动线的至少一个连接部分。 电压供给电路构成为向压电元件供给电压。 控制器被配置为每当执行指定处理时控制电压控制电路，并且以规定的最大绝对值向压电元件施加电压。

    Magnetic disk unit and manufacturing method of carriage structure thereof
    5.
    发明授权
    Magnetic disk unit and manufacturing method of carriage structure thereof 失效
    磁盘单元及其托架结构的制造方法

    公开(公告)号：US5301078A

    公开(公告)日：1994-04-05

    申请号：US713994

    申请日：1991-06-12

    申请人： Toshiaki Makino ,  Marutomo Goto ,  Hideyuki Kimura ,  Takashi Yamaguchi ,  Hiromu Hirai ,  Takashi Kono ,  Ryoji Okada ,  Toshihiro Yamada ,  Yasuhiro Yoshimura ,  Hideaki Amano ,  Akio Takatsuka ,  Toshio Matsushita ,  Satoru Yamaura ,  Yuichi Koizumi

    发明人： Toshiaki Makino ,  Marutomo Goto ,  Hideyuki Kimura ,  Takashi Yamaguchi ,  Hiromu Hirai ,  Takashi Kono ,  Ryoji Okada ,  Toshihiro Yamada ,  Yasuhiro Yoshimura ,  Hideaki Amano ,  Akio Takatsuka ,  Toshio Matsushita ,  Satoru Yamaura ,  Yuichi Koizumi

    IPC分类号： G11B5/48 ,  G11B21/16

    CPC分类号： G11B5/4813

    摘要： A magnetic disk unit comprising a one-piece carriage structure having a small thermal off-tracking amount, with the carriage structure including a rotary shaft; guide arms integrally supported on a guide-arm retainer at their proximal ends and extending independently and parallely; bearing retainers formed on both ends of the guide-arm retainer; and bearings fixed on the bearing retainers rotatably connecting the guide-arm retainer to the rotary shaft. A center line in a direction of thickness of the outermost guide arm is located outside of that of the bearing in a direction of height thereof, and a concave portion is continuously formed on the bearing retainer. Thermal coefficients of expansion of the guide arms and the guide-arm retainer are substantially equal, with the carriage structure being fashioned of an alloy mainly containing Al and Si, eutectic crystal Si particles in the guide arm and/or the guide-arm retainer. The average value of the longest eutectic crystal Si particles therein is 1.6 .mu.m or less or the number of the eutectic crystal Si particles if 5.0 or more per 100 .mu.m.sup.2. In the carriage of manufacturing the carriage of the carriage structure is heated for five to fifteen hours at a temperature of 300.degree. to 500.degree. C. after die casting.

    摘要翻译： 一种磁盘单元，包括具有小的热跟踪量小的单件托架结构，其中托架结构包括旋转轴; 引导臂在其近端处一体地支撑在引导臂保持器上并且独立且平行地延伸; 形成在引导臂保持器的两端的轴承保持器; 和固定在轴承保持器上的轴承，其将导向臂保持件可旋转地连接到旋转轴。 最外侧引导臂的厚度方向的中心线位于轴承的高度方向的外侧，在轴承保持架上连续地形成有凹部。 引导臂和引导臂保持器的热膨胀系数基本相等，托架结构由主要包含Al和Si的合金，共晶晶体Si颗粒在引导臂和/或引导臂保持器中形成。 其中最长的共晶晶体Si颗粒的平均值为1.6（my）m或更小，如果每100（m 2）m 2为5.0或更多，则共晶晶体Si颗粒的数量。 在制造的托架中，在铸造后，在300度至500度的温度下加热托架结构的托架5至15小时。

    Head-gimbal assembly, microactuator, and manufacturing method of the microactuator
    6.
    发明授权
    Head-gimbal assembly, microactuator, and manufacturing method of the microactuator 有权
    微型致动器的万向节组件，微型致动器和制造方法

    公开(公告)号：US08427783B2

    公开(公告)日：2013-04-23

    申请号：US12622093

    申请日：2009-11-19

    申请人： Tatsumi Tsuchiya ,  Haruhide Takahashi ,  Akio Takatsuka ,  Hideto Imai ,  Toshiki Hirano

    发明人： Tatsumi Tsuchiya ,  Haruhide Takahashi ,  Akio Takatsuka ,  Hideto Imai ,  Toshiki Hirano

    IPC分类号： G11B5/60

    CPC分类号： G11B5/4826 ,  G11B5/4873

    摘要： A head-gimbal assembly. The head-gimbal assembly includes a suspension, a microactuator disposed on the suspension, and a head-slider bonded to the microactuator. The head-gimbal assembly further includes a connection pad disposed on the suspension, a connection pad disposed on the microactuator and formed over an edge between a side surface and a top surface of the microactuator to have a bend portion with an obtuse angle, and a metallic interconnection joint for interconnecting the connection pad of the suspension with the connection pad of the microactuator.

    摘要翻译： 一个万向节头组件。 头部万向节组件包括悬架，设置在悬架上的微型致动器和粘结到微型致动器的头部滑块。 头部万向节组件还包括设置在悬架上的连接垫，设置在微致动器上并形成在微致动器的侧表面和顶表面之间的边缘上以具有钝角的弯曲部分的连接垫，以及 金属互连接头，用于将悬架的连接垫与微致动器的连接垫相互连接。