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    • 2. 发明授权
    • Rotating disk storage device
    • 旋转磁盘存储设备
    • US07420782B2
    • 2008-09-02
    • US10893070
    • 2004-07-16
    • Takanori KawakamiShinichi KimuraHiroki KitahoriHiroshi Matsuda
    • Takanori KawakamiShinichi KimuraHiroki KitahoriHiroshi Matsuda
    • G11B5/55
    • G11B5/5569
    • Embodiments of the present invention provide a rotating disk storage device adopting a thin yoke structure. In one embodiment, the yoke structure of a voice coil motor includes a base of a casing formed from a ferromagnetic material; an auxiliary yoke disposed so as to be magnetically coupled to the base; a magnet disposed so as to be magnetically coupled to a front surface of the auxiliary yoke; and a main yoke provided with yoke legs magnetically coupled to the auxiliary yoke and an opposing surface that confronts a front surface of the magnet. In addition, a yoke gap is defined between the opposing surface and the front surface of the magnet. The base and the auxiliary yoke form a magnetic path, which allows a dedicated yoke on a lower portion to be eliminated.
    • 本发明的实施例提供一种采用薄轭结构的旋转盘存储装置。 在一个实施例中,音圈电机的轭结构包括由铁磁材料形成的壳体的底座; 辅助轭被设置为磁耦合到基座; 设置成磁耦合到辅助轭的前表面的磁体; 以及主轭,其具有磁耦合到辅助轭的轭脚和面对磁体前表面的相对表面。 此外,在磁体的相对表面和前表面之间限定磁轭间隙。 基座和辅助磁轭形成磁路,可以消除下部的专用磁轭。
    • 3. 发明申请
    • Rotating disk storage device and latch method thereof
    • 旋转盘存储装置及其锁存方法
    • US20050057857A1
    • 2005-03-17
    • US10901259
    • 2004-07-27
    • Takanori KawakamiShinichi KimuraSatoshi MatsumuraHiroki Kitahori
    • Takanori KawakamiShinichi KimuraSatoshi MatsumuraHiroki Kitahori
    • G11B5/54G11B21/02G11B21/12G11B21/22
    • G11B21/22G11B5/54
    • A rotating disk storage device has a stopper mechanism and a latch mechanism for diminishing a shock imposed on an actuator head suspension assembly (AHSA) and permits positive retraction of the AHSA upon occurrence of an external shock or runaway. In one embodiment, the latch mechanism comprises an AHSA which is supported pivotably, a stopper which restricts a pivotal movement in a pivot direction of the AHSA, an inertia member adapted to move pivotally in a corresponding pivot direction when the AHSA moves pivotally in the pivot direction while causing the stopper to be deformed elastically, and a latch member which has an engaging portion and which, upon receipt of the torque from the inertia member, moves pivotally in a direction opposite from the corresponding pivot direction, and causes the engaging portion to move to a latching position. Shock energy of the AHSA is attenuated by both stopper and inertia member.
    • 旋转盘存储装置具有止动机构和用于减小施加在致动器头悬挂组件(AHSA)上的冲击)的闩锁机构,并且在外部冲击或失控发生时允许AHSA的正回缩。 在一个实施例中,闩锁机构包括可枢转地支撑的AHSA,其限制在AHSA的枢转方向上的枢转运动,当AHSA在枢轴中枢转地枢转时适于在相应的枢转方向上枢转地运动的惯性构件 方向,同时使止动件弹性变形;以及闩锁构件,其具有接合部,并且在接收到来自惯性构件的扭矩时,沿与相应的枢转方向相反的方向枢转地移动,并且使得接合部分 移动到锁定位置。 AHSA的冲击能量由止动器和惯性件衰减。
    • 4. 发明授权
    • Rotating disk storage device and latch method thereof
    • 旋转盘存储装置及其锁存方法
    • US07505230B2
    • 2009-03-17
    • US10901259
    • 2004-07-27
    • Takanori KawakamiShinichi KimuraSatoshi MatsumuraHiroki Kitahori
    • Takanori KawakamiShinichi KimuraSatoshi MatsumuraHiroki Kitahori
    • G11B5/54
    • G11B21/22G11B5/54
    • A rotating disk storage device has a stopper mechanism and a latch mechanism for diminishing a shock imposed on an actuator head suspension assembly (AHSA) and permits positive retraction of the AHSA upon occurrence of an external shock or runaway. In one embodiment, the latch mechanism comprises an AHSA which is supported pivotably, a stopper which restricts a pivotal movement in a pivot direction of the AHSA, an inertia member adapted to move pivotally in a corresponding pivot direction when the AHSA moves pivotally in the pivot direction while causing the stopper to be deformed elastically, and a latch member which has an engaging portion and which, upon receipt of the torque from the inertia member, moves pivotally in a direction opposite from the corresponding pivot direction, and causes the engaging portion to move to a latching position. Shock energy of the AHSA is attenuated by both stopper and inertia member.
    • 旋转盘存储装置具有止动机构和用于减小施加在致动器头悬挂组件(AHSA)上的冲击)的闩锁机构,并且在外部冲击或失控发生时允许AHSA的正回缩。 在一个实施例中,闩锁机构包括可枢转地支撑的AHSA,其限制在AHSA的枢转方向上的枢转运动,当AHSA在枢轴中枢转地枢转时适于在相应的枢转方向上枢转地运动的惯性构件 方向,同时使止动件弹性变形;以及闩锁构件,其具有接合部,并且在接收到来自惯性构件的扭矩时,沿与相应的枢转方向相反的方向枢转地移动,并且使得接合部分 移动到锁定位置。 AHSA的冲击能量由止动器和惯性件衰减。
    • 6. 发明授权
    • Rotating disk storage device with a retracting actuator head suspension assembly
    • 旋转磁盘存储设备具有缩回执行器头悬挂组件
    • US07298591B2
    • 2007-11-20
    • US10901747
    • 2004-07-28
    • Satoshi MatsumuraKenji KurokiHiroki KitahoriShinichi Kimura
    • Satoshi MatsumuraKenji KurokiHiroki KitahoriShinichi Kimura
    • G11B5/54
    • G11B5/54G11B21/12G11B21/22
    • Embodiments of the present invention provide a rotating disk storage device having a mechanism to reliably retract an actuator into a retraction area in the event that the power supply is suddenly interrupted. A bias chip is embedded in a coil support that supports the voice coil. When a head stays in an access area, the bias chip is away from an end of the voice coil magnet. Therefore, no influence of the magnetic leakage flux is exerted on the bias chip. When the head is in a retraction area, the bias chip is attracted under the influence of the magnetic leakage flux of the voice coil magnet, which thereby produces bias torque causing an actuator to pivotally move in a retraction direction. Accordingly, the bias torque can be utilized as energy for retracting the actuator immediately after power shutdown.
    • 本发明的实施例提供了一种旋转盘存储装置,其具有在电源突然中断的情况下将致动器可靠地缩回到缩回区域的机构。 偏置芯片嵌入在支持音圈的线圈支架中。 当头部停留在通路区域时,偏置芯片远离音圈磁铁的一端。 因此,不会对偏置芯片施加磁漏磁通的影响。 当头部处于退避区域时,偏置芯片在音圈磁体的磁漏磁通的影响下被吸引,由此产生使致动器沿回缩方向枢转运动的偏置扭矩。 因此,偏置扭矩可以用作在停电后立即回缩执行器的能量。
    • 8. 发明申请
    • Rotating disk storage device
    • 旋转磁盘存储设备
    • US20050063098A1
    • 2005-03-24
    • US10901747
    • 2004-07-28
    • Satoshi MatsumuraKenji KurokiHiroki KitahoriShinichi Kimura
    • Satoshi MatsumuraKenji KurokiHiroki KitahoriShinichi Kimura
    • G11B21/12G11B5/54G11B21/22
    • G11B5/54G11B21/12G11B21/22
    • Embodiments of the present invention provide a rotating disk storage device having a mechanism to reliably retract an actuator into a retraction area in the event that the power supply is suddenly interrupted. A bias chip is embedded in a coil support that supports the voice coil. When a head stays in an access area, the bias chip is away from an end of the voice coil magnet. Therefore, no influence of the magnetic leakage flux is exerted on the bias chip. When the head is in a retraction area, the bias chip is attracted under the influence of the magnetic leakage flux of the voice coil magnet, which thereby produces bias torque causing an actuator to pivotally move in a retraction direction. Accordingly, the bias torque can be utilized as energy for retracting the actuator immediately after power shutdown.
    • 本发明的实施例提供了一种旋转盘存储装置,其具有在电源突然中断的情况下将致动器可靠地缩回到缩回区域的机构。 偏置芯片嵌入在支持音圈的线圈支架中。 当头部停留在通路区域时,偏置芯片远离音圈磁铁的一端。 因此,不会对偏置芯片施加磁漏磁通的影响。 当头部处于退避区域时,偏置芯片在音圈磁体的磁漏磁通的影响下被吸引,由此产生使致动器沿回缩方向枢转运动的偏置扭矩。 因此,偏置扭矩可以用作在停电后立即回缩执行器的能量。