公开(公告)号：US06961201B2

公开(公告)日：2005-11-01

申请号：US10425677

申请日：2003-04-30

申请人： Masaki Odai ,  Kyo Akagi ,  Ryuji Tsuchiyama

发明人： Masaki Odai ,  Kyo Akagi ,  Ryuji Tsuchiyama

IPC分类号： G11B21/21 ,  G11B5/55 ,  G11B19/00 ,  G11B19/02 ,  G11B19/22 ,  G11B19/26 ,  G11B19/28 ,  G11B21/12 ,  G11B25/04

CPC分类号： G11B5/5521 ,  G11B19/02 ,  G11B19/26 ,  G11B25/043

摘要： A magnetic disk apparatus includes a low-rotation mode for decreasing the revolution number of a disk, in the low-rotation mode, any control signal for decelerating the disk is not generated to permit it to be decelerated owing to inertial drive and when a detected speed falls below a target speed, the disk is accelerated to thereby realize power saving.

摘要翻译： 磁盘装置包括用于减小盘的转数的低旋转模式，在低旋转模式下，不产生用于减速盘的任何控制信号，以允许其由于惯性驱动而减速，并且当检测到 速度低于目标速度，盘被加速，从而实现节电。

公开(公告)号：US20050243470A1

公开(公告)日：2005-11-03

申请号：US11153503

申请日：2005-06-16

申请人： Mikio Tokuyama ,  Mieko Ishii ,  Ryuji Tsuchiyama ,  Youichi Kawakubo ,  Hiromitsu Tokisue

发明人： Mikio Tokuyama ,  Mieko Ishii ,  Ryuji Tsuchiyama ,  Youichi Kawakubo ,  Hiromitsu Tokisue

IPC分类号： G11B5/60

CPC分类号： G11B5/6005 ,  G11B5/6082

摘要： A magnetic head slider includes a magnetic head for recording/reproducing information from/into a magnetic disk and a slider on which the magnetic head is mounted. The slider has a first positive pressure generating portion provided at an air-inflow side and a positive pressure generating portion surface provided at an air-outflow side, projections being provided at the air-inflow side at positions with respect to the first positive pressure generating portion on a first surface which faces the magnetic disk upon read/write operation of the magnetic head slider, and a step surface provided at the air-inflow side with respect to said first positive pressure generating portion.

摘要翻译： 磁头滑块包括用于从/向磁盘中记录/再现信息的磁头和安装磁头的滑块。 滑块具有设置在空气流入侧的第一正压力产生部分和设置在空气流出侧的正压产生部分表面，在空气流入侧处设置有相对于第一正压力产生的位置的突起 在磁头滑块的读取/写入操作时面向磁盘的第一表面上的部分，以及设置在空气流入侧相对于所述第一正压产生部分的台阶表面。

公开(公告)号：US06373661B1

公开(公告)日：2002-04-16

申请号：US09299909

申请日：1999-04-28

申请人： Mikio Tokuyama ,  Mieko Ishii ,  Ryuji Tsuchiyama ,  Youichi Kawakubo ,  Hiromitsu Tokisue

发明人： Mikio Tokuyama ,  Mieko Ishii ,  Ryuji Tsuchiyama ,  Youichi Kawakubo ,  Hiromitsu Tokisue

IPC分类号： G11B1732

CPC分类号： G11B5/6005 ,  G11B5/6082

摘要： A magnetic disk device and a flying slider, having a magnetic head for reading and writing information, are disclosed. The magnetic head slider includes flying pads of a stepped configuration for flying the slider, and each of the flying pads has a flat surface portion and a step surface recessed from this flat surface portion through a microscopic step. Microscopic projections are formed on the step surface. The height of the microscopic projections are higher than or substantially equal to the height of the step. With this construction, the slider is less liable to be turned to lean forward because of the provision of the microscopic projections, and beside a front edge of the step surface will not damage a magnetic disk surface. A variation of the flying height can be reduced by a negative pressure produced at the rear side of each microscopic projection. Therefore, there can be provided the magnetic disk device having high reliability and a large capacity.

摘要翻译： 公开了一种具有用于读取和写入信息的磁头的磁盘装置和飞行滑块。 磁头滑动器包括用于飞行滑块的阶梯状构造的飞垫，并且每个飞垫具有平坦表面部分和从该平坦表面部分通过微观步骤凹陷的台阶表面。 微观突起形成在台阶表面上。 微观突起的高度高于或基本上等于台阶的高度。 利用这种结构，由于提供微观突起，滑块不易转向倾斜，并且在台阶表面的前边缘之外不会损坏磁盘表面。 可以通过在每个微观突起的后侧产生的负压来降低飞行高度的变化。 因此，可以提供具有高可靠性和大容量的磁盘装置。

公开(公告)号：US08848318B2

公开(公告)日：2014-09-30

申请号：US14116601

申请日：2011-05-12

申请人： Ryuji Tsuchiyama ,  Takuya Matsumoto ,  Irizo Naniwa

发明人： Ryuji Tsuchiyama ,  Takuya Matsumoto ,  Irizo Naniwa

IPC分类号： G11B5/60 ,  G11B5/48 ,  G11B13/08 ,  G11B5/00

CPC分类号： G11B13/08 ,  G11B5/105 ,  G11B5/4826 ,  G11B5/6082 ,  G11B5/6088 ,  G11B2005/0021

摘要： Provided is a magnetic head slider apparatus that can minimize a change in a roll angle caused by an impact force even with a submount mounted on a side surface thereof and achieve steady flying with the roll angle minimized. A dimple position and a pressure center position of a lifting force are moved in a slider width direction to thereby align a center of mass of a slider having a submount including a laser diode mounted on a side surface thereof, the dimple position, and the pressure center position of the lifting force with each other. This provides a magnetic head slider and a suspension thereof, and a magnetic disk drive apparatus offering higher recording density and higher reliability.

摘要翻译： 提供一种磁头滑动装置，其即使在安装在其侧表面上的基座上也可以最小化由冲击力引起的侧倾角的变化，并且以最小的滚动角度实现稳定的飞行。 提升力的凹坑位置和压力​​中心位置沿滑块宽度方向移动，从而对准具有安装在其侧表面上的激光二极管，凹坑位置和压力​​的底座的滑块的质心 提升力的中心位置相互之间。 这提供了磁头滑块及其悬架，以及提供更高记录密度和更高可靠性的磁盘驱动装置。

公开(公告)号：US20080297949A1

公开(公告)日：2008-12-04

申请号：US12155039

申请日：2008-05-29

申请人： Irizo Naniwa ,  Junguo Xu ,  Ryuji Tsuchiyama

发明人： Irizo Naniwa ,  Junguo Xu ,  Ryuji Tsuchiyama

IPC分类号： G11B5/56

CPC分类号： G11B5/6005 ,  G11B5/4826 ,  G11B5/483 ,  G11B5/4853 ,  G11B5/4873 ,  G11B5/6058

摘要： When a piezoelectric element is deformed in the direction of decreasing a flying height, a pressure at a trailing pad increases, and the flying height of a magnetic head is not efficiently decreased and may be increased conversely in some occasions.A position of contact between a suspension and a dimple is set toward a leading edge with respect to a piezoelectric element, and a pad for generating a positive pressure is disposed between the dimple and the piezoelectric element in addition to a trailing pad. Fluctuations of a positive pressure generated toward the leading edge with respect to the dimple are thus suppressed when the piezoelectric element is deformed.

摘要翻译： 当压电元件在降低飞行高度的方向上变形时，拖尾垫片处的压力增加，并且磁头的飞行高度不能有效降低，并且在某些情况下可能增加。 将悬架和凹坑之间的接触位置设定为相对于压电元件的前缘，并且除了拖尾垫之外，还在凹坑和压电元件之间设置用于产生正压的焊盘。 因此，当压电元件变形时，因此抑制了相对于凹坑向前缘产生的正压的波动。

公开(公告)号：US07042678B2

公开(公告)日：2006-05-09

申请号：US10602603

申请日：2003-06-25

申请人： Ryuji Tsuchiyama ,  Hiroshi Tani ,  Mikio Tokuyama ,  Hidekazu Kohira ,  Masayuki Kurita ,  Mitsuhiro Shoda ,  Junguo Xu ,  Masaaki Matsumoto

发明人： Ryuji Tsuchiyama ,  Hiroshi Tani ,  Mikio Tokuyama ,  Hidekazu Kohira ,  Masayuki Kurita ,  Mitsuhiro Shoda ,  Junguo Xu ,  Masaaki Matsumoto

IPC分类号： G11B17/32

CPC分类号： G11B5/6005

摘要： A magnetic head slider in which a leading pad is projected in a thicknesswise direction of the slider, in comparison with a trailing pad so as to reduce vibration caused by contact between a flat medium surface of a disc and the slider carrying thereon a magnetic head, to reduce variation in flying height caused by wavy unevenness of the medium surface, and to reduce variation in atmospheric pressure around the slider, thereby it is possible to enhance the recording density and the reliability of the magnetic head slider while reducing the costs thereof. Further, a magnetic disc unit using the above-mentioned magnetic head slider.

摘要翻译： 一种磁头滑动器，其中前导垫沿着滑块的厚度方向突出，与后垫相比，以减少由平坦的介质表面与承载磁头的滑块之间的接触引起的振动， 为了减少由于介质表面的波浪状不均匀性引起的飞行高度的变化，并且减小滑动件周围的大气压力的变化，从而可以提高磁头滑块的记录密度和可靠性，同时降低其成本。 此外，使用上述磁头滑块的磁盘单元。

公开(公告)号：US07936536B2

公开(公告)日：2011-05-03

申请号：US11780521

申请日：2007-07-20

申请人： Ryuji Tsuchiyama ,  Masahumi Mochizuki ,  Kyosuke Ono ,  Yuko Tsuchiya ,  Hiroshi Ikekame

发明人： Ryuji Tsuchiyama ,  Masahumi Mochizuki ,  Kyosuke Ono ,  Yuko Tsuchiya ,  Hiroshi Ikekame

IPC分类号： G11B5/68 ,  G11B5/82

CPC分类号： G11B5/82 ,  B82Y10/00 ,  G11B5/743 ,  G11B5/855

摘要： In a discrete track medium and a patterned medium, a meniscus adsorptive force is reduced and writing into adjacent tracks is prevented. A magnetic layer in lands or patterns in the discrete track medium or the patterned medium is formed into a cylindrical shelly or spherical shelly shape with a uniform thickness. Moreover, a height of cylindrical shelly land or a height of spherical shelly land is changed between 5 nm and 30 nm according to radial positions. Thus, an effect is achieved for providing a magnetic recording medium and a magnetic disk apparatus which are excellent in realizing higher recording density and higher reliability.

摘要翻译： 在离散轨道介质和图案化介质中，弯月面吸附力减小，并且防止写入相邻轨迹。 在离散轨道介质或图案化介质中的平台或图案中的磁性层形成为具有均匀厚度的圆柱形的立体或球形形状。 此外，根据径向位置，在5nm至30nm之间改变圆柱形地面的高度或球形搁置高度的高度。 因此，实现了提供实现更高记录密度和更高可靠性的磁记录介质和磁盘装置的效果。

公开(公告)号：US06633455B2

公开(公告)日：2003-10-14

申请号：US09781286

申请日：2001-02-13

申请人： Hiromitsu Tokisue ,  Hiroshi Tani ,  Mikio Tokuyama ,  Junguo Xu ,  Ryuji Tsuchiyama

发明人： Hiromitsu Tokisue ,  Hiroshi Tani ,  Mikio Tokuyama ,  Junguo Xu ,  Ryuji Tsuchiyama

IPC分类号： G11B560

CPC分类号： G11B5/6005 ,  G11B5/4886 ,  G11B5/58 ,  G11B21/20 ,  G11B21/21

摘要： A head element is made into contact with the surface of a recording medium so as to realize a float-up degree of 5 nm. Accordingly, a slider incorporating the head element for recording and reproducing data to and from the recording medium is provided thereon with a plurality of pads having step parts, and one of the plurality of pads, on which the head element is mounted, has a height which is less than that of the other pads. Thus, the pads other than the pad on which the head element is mounted are floated up while the pad on which the head element is mounted is stably made into contact with the surface of the recoding medium by means of a meniscus suction force and a damping action of lubricant applied on the surface of the recording medium.

摘要翻译： 使头元件与记录介质的表面接触，以实现5nm的浮起度。 因此，在其上设置有用于向记录介质记录和再现数据的头元件的滑块，其具有多个具有阶梯部分的垫，并且安装有头元件的多个垫中的一个具有高度 这比其他垫的小。 因此，安装有头元件的垫以外的垫被浮起，同时安装头元件的垫通过弯月面吸力和阻尼稳定地与记录介质的表面接触 施加在记录介质表面的润滑剂的作用

公开(公告)号：US06597536B2

公开(公告)日：2003-07-22

申请号：US09897489

申请日：2001-07-03

申请人： Ryuji Tsuchiyama ,  Masaaki Matsumoto ,  Kiyoshi Hashimoto ,  Xu Junguo

发明人： Ryuji Tsuchiyama ,  Masaaki Matsumoto ,  Kiyoshi Hashimoto ,  Xu Junguo

IPC分类号： G11B560

CPC分类号： G11B5/6005

摘要： A magnetic head slider assembly is provided, in which a flying height of the head slider is not changed when a peripheral speed and a yaw angle of the magnetic head slider assembly with respect to a magnetic disk are changed according to the change of a magnetic head slider radial position, so that a difference between flying heights in floating profiles become minimum. The magnetic head slider is provided with two stepped surfaces via a difference portion with respect to a contact surface of an inflow pad or an outflow pad of the magnetic head slider (1), wherein a ratio &dgr;s/&dgr;r between a depth &dgr;s of the first stepped surface and a depth &dgr;r of the second stepped surface with respect to the contact surface and a ratio xp/L between a length L of the slider in an air stream inflow direction and a distance xp between an air stream inflow end and a dimple position of the slider are respectively set in a range 0.047≦&dgr;s/&dgr;r≦0.364 and 0.002≦xp/L≦0.4, or a range 0.008≦&dgr;s/&dgr;r≦0.025 and 0.55≦xp/L.

摘要翻译： 提供了一种磁头滑动器组件，其中当磁头滑动器组件相对于磁盘的圆周速度和偏航角根据磁头的变化而改变时，磁头滑块的飞行高度不改变 滑块径向位置，使得浮动轮廓中的飞行高度之间的差异变得最小。 磁头滑块相对于磁头滑动器（1）的流入垫或流出垫的接触表面经由差分部分设置有两个台阶表面，其中在第一和第二位置之间的三角形/三角形之间的比率增加/ 阶梯面和相对于接触表面的第二台阶表面的深度差，以及滑块在气流流入方向上的长度L与空气流入端与凹坑位置之间的距离xp的比xp / L 分别设置在0.047 <= deltas / deltar <= 0.364和0.002 <= xp / L <= 0.4的范围内，或0.008 <= deltas / deltar <= 0.025和0.55 <= xp / L的范围内。

公开(公告)号：US06452751B1

公开(公告)日：2002-09-17

申请号：US10102679

申请日：2002-03-22

申请人： Mikio Tokuyama ,  Mieko Ishii ,  Ryuji Tsuchiyama ,  Youichi Kawakubo ,  Hiromitsu Tokisue

发明人： Mikio Tokuyama ,  Mieko Ishii ,  Ryuji Tsuchiyama ,  Youichi Kawakubo ,  Hiromitsu Tokisue

IPC分类号： G11B1732

CPC分类号： G11B5/6005 ,  G11B5/6082

摘要： A magnetic head slider having a magnetic head for reading/writing information from/into a magnetic disk and a slider on which the magnetic head is mounted. The slider has three surface portions with levels which are different from each other on a surface facing to the magnetic disk including a first surface portion forming a pad surface, a second surface portion having a level which is lower than a level of the first surface portion and a third surface portion having a level which is lower than that of the second surface portion. The second surface portion is provided at a side opposite to a side on which the magnetic head is mounted and the third surface portion is provided at the side on which the magnetic head is mounted. A projection is provided on the second surface portion.

摘要翻译： 具有用于从/向磁盘读取/写入信息的磁头的磁头滑块和安装有磁头的滑块。 滑块具有在面对磁盘的表面上彼此不同的三个表面部分，该表面部分包括形成焊盘表面的第一表面部分，具有低于第一表面部分的高度的第二表面部分 以及具有比第二表面部的水平低的水平面的第三表面部分。 第二表面部设置在与安装磁头的一侧相对的一侧，并且第三表面部设置在安装有磁头的一侧。 在第二表面部分设置突起。