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    • 4. 发明授权
    • Information recording disk apparatus
    • 信息记录盘装置
    • US06597532B1
    • 2003-07-22
    • US09580954
    • 2000-05-30
    • Kazuaki UsuiKeiko WatanabeKei YasunaTetsuya HamaguchiTsuyoshi Arai
    • Kazuaki UsuiKeiko WatanabeKei YasunaTetsuya HamaguchiTsuyoshi Arai
    • G11B3314
    • G11B33/08G11B5/5582
    • An acceleration detecting apparatus for a magnetic disk apparatus capable of detecting with high reliability the disturbances such as rotational and translational shocks and vibrations applied externally to the magnetic disk apparatus to thereby prevent destruction or the like damages of data recorded on a disk of the magnetic disk apparatus upon occurrence of off-track event under the influence of the disturbance. The apparatus includes a pair of acceleration detectors for detecting acceleration in two directions extending discretely in parallel to each other. The acceleration detectors are disposed at positions closer to the magnetic disk relative to a pivot shaft for a head supporting arm as viewed in a longitudinal direction of an oblong box-like casing of the magnetic disk apparatus in a plane which forms an angle not greater than 10 degrees relative to the plane of the magnetic disk. By employing the angular acceleration detectors in combination with an angular velocity detector, the rotational disturbances due to rotational shock/vibration can be detected with much enhanced reliability, and destruction of the data recorded on the magnetic disk due to the off-track read/write operation can positively be prevented.
    • 一种磁盘装置的加速度检测装置,其能够高度可靠地检测在磁盘装置外部施加的旋转和平移冲击和振动等的干扰,从而防止记录在磁盘的盘上的数据的破坏或类似损坏 发生在扰动影响下的偏离轨道事件的装置。 该装置包括一对加速度检测器,用于检测彼此离散地延伸的两个方向上的加速度。 加速度检测器设置在相对于用于磁头支撑臂的枢转轴靠近磁盘的位置处,该磁头支撑臂在磁盘设备的长方形盒状壳体的纵向方向上在形成不大于 相对于磁盘的平面为10度。 通过采用与角速度检测器结合使用的角加速度检测器,可以以更大的可靠性检测旋转冲击/振动引起的旋转干扰,并且由于偏离轨迹读/写而破坏记录在磁盘上的数据 可以有效防止操作。
    • 5. 发明授权
    • Ramp load type magnetic disk unit
    • 斜坡负载型磁盘单元
    • US06226155B1
    • 2001-05-01
    • US09422351
    • 1999-10-21
    • Keiko WatanabeTetsuya HamaguchiToshihiko Shimizu
    • Keiko WatanabeTetsuya HamaguchiToshihiko Shimizu
    • G11B554
    • G11B5/54G11B21/22
    • A ramp load type magnetic disk unit which prevents worn particles of a slide tab and a runway produced as a result of repetitive load/unload operations from falling onto the magnetic disk and which has low cost, high reliability and high recording density. A groove portion as a worn particle removing mechanism is provided at a home position on the runway where the magnetic head support assembly stands by after the unload operation is finished. At the groove portion, the magnetic head support assembly is vibrated at low frequencies to scrape off the particles. A worn particle collecting portion is provided near the groove portion so that an air flow generated by the rotation of the magnetic disk and directed toward the collecting portion blows the worn particles caught in the grooves into the particle collecting portion.
    • 斜坡负载型磁盘单元,其防止由于重复的加载/卸载操作而产生的滑动突片和跑道的磨损颗粒落入磁盘,并且具有低成本,高可靠性和高记录密度。 在卸载操作结束之后,在磁头支撑组件待机的跑道的原点处设置有作为磨损粒子去除机构的槽部。 在凹槽部分,磁头支撑组件以低频振动以刮除颗粒。 磨损的颗粒收集部分设置在槽部附近,使得通过磁盘的旋转产生的并且朝向收集部分的空气流将捕获在凹槽中的磨损颗粒吹入颗粒收集部分。
    • 8. 发明授权
    • Magnetic disk device and head stack assembly
    • 磁盘装置和磁头组合组件
    • US08094412B2
    • 2012-01-10
    • US12313291
    • 2008-11-18
    • Noritaka OtakeKeiko WatanabeToshihiko ShimizuKenji Tomida
    • Noritaka OtakeKeiko WatanabeToshihiko ShimizuKenji Tomida
    • G11B5/48
    • G11B5/4813G11B5/4886
    • Embodiments of the present invention relate disk drives, and in particular to realizing a positioning accuracy equal to that of an actuator having the mountable maximum number of suspensions, in an actuator having the smaller number of suspensions than the mountable maximum number. An embodiment of a magnetic disk device includes an actuator having an arm to which a suspension for applying a predetermined load onto a slider with a magnetic head is attached, and an arm to which a plate is attached instead of having the suspension. The plate attached to the arm in place of the suspension has a partially small section with respect to a section perpendicular to an arm longitudinal direction (constricted part), and the constricted part is located between a plate leading end and an arm attachment part.
    • 本发明的实施例涉及在具有比可安装的最大数量少的悬架数量的致动器中的磁盘驱动器,特别是实现与具有可安装最大数量的悬架的致动器相同的定位精度。 磁盘装置的一个实施例包括一个致动器,该致动器具有一个臂,附接有用于将预定负载施加到具有磁头的滑块上的悬架,并且连接有安装板的臂而不是具有悬架。 代替悬架而安装在臂上的板相对于垂直于臂长度方向(收缩部分)的部分具有部分小的截面,并且收缩部分位于板前端和臂附接部分之间。
    • 9. 发明申请
    • Magnetic disk device and head stack assembly
    • 磁盘装置和磁头组合组件
    • US20090147406A1
    • 2009-06-11
    • US12313291
    • 2008-11-18
    • Noritaka OtakeKeiko WatanabeToshihiko ShimizuKenji Tomida
    • Noritaka OtakeKeiko WatanabeToshihiko ShimizuKenji Tomida
    • G11B5/48
    • G11B5/4813G11B5/4886
    • Embodiments of the present invention relate disk drives, and in particular to realizing a positioning accuracy equal to that of an actuator having the mountable maximum number of suspensions, in an actuator having the smaller number of suspensions than the mountable maximum number. An embodiment of a magnetic disk device includes an actuator having an arm to which a suspension for applying a predetermined load onto a slider with a magnetic head is attached, and an arm to which a plate is attached instead of having the suspension. The plate attached to the arm in place of the suspension has a partially small section with respect to a section perpendicular to an arm longitudinal direction (constricted part), and the constricted part is located between a plate leading end and an arm attachment part.
    • 本发明的实施例涉及在具有比可安装的最大数量少的悬架数量的致动器中的磁盘驱动器,特别是实现与具有可安装最大数量的悬架的致动器相同的定位精度。 磁盘装置的一个实施例包括一个致动器,该致动器具有一个臂,附接有用于将预定负载施加到具有磁头的滑块上的悬架,并且连接有安装板的臂而不是具有悬架。 代替悬架而安装在臂上的板相对于垂直于臂长度方向(收缩部分)的部分具有部分小的截面,并且收缩部分位于板前端和臂附接部分之间。
    • 10. 发明申请
    • Novel Vector
    • 小说矢量
    • US20070277264A1
    • 2007-11-29
    • US10559072
    • 2004-06-03
    • Kazuya NantoKeiko WatanabeHiroyasu Ebinuma
    • Kazuya NantoKeiko WatanabeHiroyasu Ebinuma
    • A01H5/00C12N15/82
    • C12N15/8213C12N15/8209C12N15/821
    • In order to provide a vector and a method for introducing one copy of a desired gene to a predetermined position of a host DNA at a high frequency without any bad influences upon the host cell and a vector and a method for deleting or inverting a host DNA at a predetermined position without a crossing step and without any bad influences upon the host cell. A vector which has an introduction cassette inserted between two site-specific recombinase recognition sequences and a site-specific recombinase gene which recognizes these site-specific recombinase recognition sequences, wherein the recombinase gene is positioned outside the introduction cassette, is used, and this is introduced into a host cell having a DNA in which one or two site-specific recombinase recognition sequences are present. A recombinant of interest can be efficiently obtained by positioning a lethal induction gene or a morphological abnormality induction gene outside the introduction cassette, together with the site-specific recombinase gene.
    • 为了提供一种将所需基因的一个拷贝以高频率引入宿主DNA的预定位置的载体和方法,对宿主细胞和载体没有任何不良影响,以及用于删除或翻译宿主DNA的方法 在没有交叉步骤的预定位置处,并且对宿主细胞没有任何不良影响。 使用具有插入两个位点特异性重组酶识别序列之间的引物盒和识别这些位点特异性重组酶识别序列的位点特异性重组酶基因的载体,其中重组酶基因位于引入盒外部,这是 引入具有其中存在一个或两个位点特异性重组酶识别序列的DNA的宿主细胞。 通过将导入盒外的致死诱导基因或形态异常诱导基因与位点特异性重组酶基因一起定位,可以有效地获得感兴趣的重组体。