公开(公告)号：US20090109573A1

公开(公告)日：2009-04-30

申请号：US12288769

申请日：2008-10-22

申请人： Jianhua Li ,  Junguo Xu

发明人： Jianhua Li ,  Junguo Xu

IPC分类号： G11B5/60

CPC分类号： G11B5/60

摘要： Embodiments of the present invention provide a head slider that suppresses accumulation of lubricant droplets on an air-bearing surface due to a backflow, and thus improves reliability of a disk drive. According to one embodiment, a lubricant droplet being adhered to a head slider and accumulated thereon, which are caused by extremely low flying height of the head slider, are prevented from falling onto a recording medium. When velocity of a recording medium at a position where the head slider faces the recording medium is assumed to be v, step depth δ4 at an outflow side of an outflow side rail satisfies, δ4≦0.1125*log10(v)+0.019.

摘要翻译： 本发明的实施例提供了一种头滑块，其抑制由于回流而导致的润滑剂液滴在空气轴承表面上的累积，从而提高了磁盘驱动器的可靠性。 根据一个实施例，防止由磁头滑动器的极低飞行高度引起的积聚在其上的磁头滑块附着的润滑剂液滴落到记录介质上。 当磁头滑块面向记录介质的位置处的记录介质的速度被假设为v时，流出侧导轨出流侧的阶梯深度Δ4满足Δ4≤0.1125* log10（v）+0.019。

公开(公告)号：US08218266B2

公开(公告)日：2012-07-10

申请号：US11899772

申请日：2007-09-07

申请人： Yuki Shimizu ,  Junguo Xu ,  Jianhua Li ,  Hidekazu Kohira ,  Tetsuya Matsusaki ,  Hidetoshi Anan

发明人： Yuki Shimizu ,  Junguo Xu ,  Jianhua Li ,  Hidekazu Kohira ,  Tetsuya Matsusaki ,  Hidetoshi Anan

IPC分类号： G11B5/60

CPC分类号： G11B5/3173 ,  G11B5/3106 ,  G11B5/3169 ,  G11B5/40 ,  G11B5/6082

摘要： Embodiments of the present invention provide a slider that may suppress contamination from being attached to the flying surface of the slider without influence on reduction of the flying height of the slider. Ions exerting an effect of decreasing surface energy are implanted in the whole surface of a flying surface of a magnetic head slider except for a front rail surface and a center rail surface. According to this, contamination is prevented from being attached to a front step bearing surface, a side step bearing surface, a center step bearing surface and a negative pressure groove where contamination is particularly liable to be attached in the flying surface of the magnetic head slider, so as to suppress destabilization in flying of the slider.

摘要翻译： 本发明的实施例提供了一种滑块，其可以抑制污染物附着到滑块的飞行表面，而不会影响滑块的飞行高度的减小。 具有降低表面能的效果的离子注入除了前导轨面和中心导轨面之外的磁头滑块的飞行面的整个表面。 因此，防止了污染物附着在前台阶承载面，侧台承载面，中心台阶承载面和负压槽上，污染物尤其容易附着在磁头滑块的飞行面上 ，以抑制滑块的飞行中的不稳定。

公开(公告)号：US08102626B2

公开(公告)日：2012-01-24

申请号：US12288769

申请日：2008-10-22

申请人： Jianhua Li ,  Junguo Xu

发明人： Jianhua Li ,  Junguo Xu

IPC分类号： G11B5/60

CPC分类号： G11B5/60

摘要： Embodiments of the present invention provide a head slider that suppresses accumulation of lubricant droplets on an air-bearing surface due to a backflow, and thus improves reliability of a disk drive. According to one embodiment, a lubricant droplet being adhered to a head slider and accumulated thereon, which are caused by extremely low flying height of the head slider, are prevented from falling onto a recording medium. When velocity of a recording medium at a position where the head slider faces the recording medium is assumed to be v, step depth δ4 at an outflow side of an outflow side rail satisfies, δ4≦0.1125*log10(v)+0.019.

摘要翻译： 本发明的实施例提供了一种头滑块，其抑制由于回流而导致的润滑剂液滴在空气轴承表面上的累积，从而提高了磁盘驱动器的可靠性。 根据一个实施例，防止由磁头滑动器的极低飞行高度引起的积聚在其上的磁头滑块附着的润滑剂液滴落到记录介质上。 当磁头滑动器面对记录介质的位置处的记录介质的速度被假定为v时，流出侧导轨的流出侧的阶梯深度δ4满足δ4＆nlE; 0.1125 * log10（v）+0.019。

公开(公告)号：US08270116B2

公开(公告)日：2012-09-18

申请号：US11522117

申请日：2006-09-14

申请人： Yuki Shimizu ,  Junguo Xu ,  Jianhua Li ,  Takanori Yamazaki

发明人： Yuki Shimizu ,  Junguo Xu ,  Jianhua Li ,  Takanori Yamazaki

IPC分类号： G11B5/60

CPC分类号： G11B5/6005

摘要： A magnetic disk drive includes a magnetic recording medium and a magnetic head slider adapted to fly over a surface of a magnetic recording medium and read or write information. The magnetic head slider includes a slider air bearing surface and a magnetic transducer. The slider air bearing surface includes a front pad having front rail surfaces and front step bearing surfaces, a rear pad having a rear rail surface and a rear step bearing surface, and a negative-pressure groove interposed between the front pad and the rear pad. A vibration suppressing groove is formed in the rear rail surface so as to be deeper than the rear rail surface and to be closed at its periphery. The vibration suppressing groove quickly damps out translational and pitching vibrations in the flying height direction of the magnetic head slider while stabilizing its flying.

摘要翻译： 磁盘驱动器包括磁记录介质和适于在磁记录介质的表面上飞越并读取或写入信息的磁头滑块。 磁头滑块包括滑块空气支承表面和磁换能器。 滑块空气轴承表面包括具有前导轨表面和前阶梯支承表面的前垫，具有后轨表面和后台阶支承表面的后垫，以及插入在前垫和后垫之间的负压槽。 在后轨面上形成振动抑制槽，使其比后轨面更深，并在其周边封闭。 振动抑制槽在稳定其飞行的同时快速地减小磁头滑块的飞行高度方向上的平移和俯仰振动。

公开(公告)号：US08116037B2

公开(公告)日：2012-02-14

申请号：US12634660

申请日：2009-12-09

申请人： Hidekazu Kohira ,  Kiyoshi Hashimoto ,  Satoru Ookubo ,  Jianhua Li ,  Junguo Xu ,  Yuichi Aoki

发明人： Hidekazu Kohira ,  Kiyoshi Hashimoto ,  Satoru Ookubo ,  Jianhua Li ,  Junguo Xu ,  Yuichi Aoki

IPC分类号： G11B5/60

CPC分类号： G11B5/6005 ,  G11B5/6082

摘要： A disk drive. The disk drive includes a disk and a head-slider. The head-slider includes an air-bearing surface. The air-bearing surface includes a trailing-edge rail surface, an inner trailing-edge pad, and an outer trailing-edge pad. The pad surface of the outer trailing-edge pad includes a straight outer edge slanting outward; and, the angle of the outer edge with respect to the longitudinal direction of the head-slider is β1. The pad surface of the inner trailing-edge pad includes a straight inner edge slanting inward; and, the angle of the inner edge with respect to the longitudinal direction of the head-slider is β2. For absolute values of skew angles at an outermost data track position and an innermost data track position on the disk that are denoted by α1 and α2, respectively, the following conditions are satisfied: α2≦β1,α1+β1≦90°, and α1≦β2,α2+β2≦90°.

摘要翻译： 磁盘驱动器 磁盘驱动器包括磁盘和磁头滑块。 磁头滑块包括空气轴承表面。 空气轴承表面包括后缘轨道表面，内部后缘焊盘和外部后缘焊盘。 外后缘垫的衬垫表面包括向外倾斜的直的外边缘; 并且外边缘相对于头 - 滑块的纵向方向的角度为1。 内侧后缘垫的衬垫表面包括向内倾斜的直的内边缘; 并且内边缘相对于头滑块的纵向方向的角度为2。 对于由α1和α2分别表示的最外层数据轨道位置和最外层数据轨道位置的偏斜角的绝对值，满足以下条件：α2＆nlE;＆bgr; 1，α1+＆bgr; 1＆nlE; 90 °，α1＆nlE;＆bgr; 2，α2+＆bgr; 2＆nlE; 90°。

公开(公告)号：US20110058275A1

公开(公告)日：2011-03-10

申请号：US12634660

申请日：2009-12-09

申请人： Hidekazu KOHIRA ,  Kiyoshi Hashimoto ,  Satoru Ookubo ,  Jianhua Li ,  Junguo Xu ,  Yuichi Aoki

发明人： Hidekazu KOHIRA ,  Kiyoshi Hashimoto ,  Satoru Ookubo ,  Jianhua Li ,  Junguo Xu ,  Yuichi Aoki

IPC分类号： G11B21/02

CPC分类号： G11B5/6005 ,  G11B5/6082

摘要： A disk drive. The disk drive includes a disk and a head-slider. The head-slider includes an air-bearing surface. The air-bearing surface includes a trailing-edge rail surface, an inner trailing-edge pad, and an outer trailing-edge pad. The pad surface of the outer trailing-edge pad includes a straight outer edge slanting outward; and, the angle of the outer edge with respect to the longitudinal direction of the head-slider is β1. The pad surface of the inner trailing-edge pad includes a straight inner edge slanting inward; and, the angle of the inner edge with respect to the longitudinal direction of the head-slider is β2. For absolute values of skew angles at an outermost data track position and an innermost data track position on the disk that are denoted by α1 and α2, respectively, the following conditions are satisfied: α2≦β1, α1+β1≦90°, and α1β2, α2+β2≦90°.

摘要翻译： 磁盘驱动器 磁盘驱动器包括磁盘和磁头滑块。 磁头滑块包括空气轴承表面。 空气轴承表面包括后缘轨道表面，内部后缘焊盘和外部后缘焊盘。 外后缘垫的衬垫表面包括向外倾斜的直的外边缘; 并且外边缘相对于头 - 滑块的纵向方向的角度为1。 内侧后缘垫的衬垫表面包括向内倾斜的直的内边缘; 并且内边缘相对于头滑块的纵向方向的角度为2。 对于由α1和α2分别表示的最外层数据轨道位置和最外层数据轨道位置的偏斜角的绝对值，满足以下条件：α2＆nlE;＆bgr; 1，α1+＆bgr; 1＆nlE; 90 °，α1＆bgr; 2，α2+＆bgr; 2＆nlE; 90°。

公开(公告)号：US20080259502A1

公开(公告)日：2008-10-23

申请号：US12099801

申请日：2008-04-09

申请人： Yuki SHIMIZU ,  Junguo Xu ,  Jianhua Li

发明人： Yuki SHIMIZU ,  Junguo Xu ,  Jianhua Li

IPC分类号： G11B5/60

CPC分类号： G11B5/6082

摘要： A magnetic head slider has a recess portion recessed with respect to the center rail. The recess portion has a spherical or oval-spherical projection, which includes a read element and a write element disposed in the recess portion. The recess portion may prevent increasing flying height of a slider base due to projection height h may be suppressed, and may secures higher air film stiffness, so that consequently flying stability of the slider may be improved.

摘要翻译： 磁头滑块具有相对于中心导轨凹陷的凹部。 凹部具有球形或椭球形的突起，其包括设置在凹部中的读取元件和写入元件。 凹部可以防止由于突出高度h而导致的滑块基座的飞行高度增加，并且可以确保更高的气膜刚度，从而可以提高滑块的飞行稳定性。

公开(公告)号：US20080170332A1

公开(公告)日：2008-07-17

申请号：US11899772

申请日：2007-09-07

申请人： Yuki Shimizu ,  Junguo Xu ,  Jianhua Li ,  Hidekazu Kohira ,  Tetsuya Matsusaki ,  Hidetoshi Anan

发明人： Yuki Shimizu ,  Junguo Xu ,  Jianhua Li ,  Hidekazu Kohira ,  Tetsuya Matsusaki ,  Hidetoshi Anan

IPC分类号： G11B5/60

CPC分类号： G11B5/3173 ,  G11B5/3106 ,  G11B5/3169 ,  G11B5/40 ,  G11B5/6082

摘要： Embodiments of the present invention provide a slider that may suppress contamination from being attached to the flying surface of the slider without influence on reduction of the flying height of the slider, and a method for producing the same. According to one embodiment, ions exerting an effect of decreasing surface energy are implanted in the whole surface of a flying surface of a magnetic head slider except for a front rail surface and a center rail surface. According to this, contamination is prevented from being attached to a front step bearing surface, a side step bearing surface, a center step bearing surface and a negative pressure groove where contamination is particularly liable to be attached in the flying surface of the magnetic head slider, so as to suppress destabilization in flying of the slider. The ion implantation in the whole surface of the flying surface of the magnetic head slider increases the surface roughness of the front rail surface and the center rail surface, but in the case where ions are implanted by excepting the front rail surface and the center rail surface as in accordance with embodiments of the invention, contamination may be effectively prevented from being attached to the flying surface without increase in surface roughness, whereby destabilization in flying of the slider may be suppressed.

摘要翻译： 本发明的实施例提供一种滑块，其可以抑制污染物附着到滑块的飞行表面，而不影响滑块的飞行高度的降低，及其制造方法。 根据一个实施例，除了前导轨表面和中心导轨表面之外，在磁头滑块的飞行表面的整个表面中注入施加降低表面能的效果的离子。 因此，防止了污染物附着在前台阶承载面，侧台承载面，中心台阶承载面和负压槽上，污染物尤其容易附着在磁头滑块的飞行面上 ，以抑制滑块的飞行中的不稳定。 在磁头滑块的飞行表面的整个表面中的离子注入增加了前轨表面和中心轨道表面的表面粗糙度，但是在除了前轨表面和中心轨道表面之外注入离子的情况下 如根据本发明的实施例，可以有效地防止污染物附着到飞行表面而不增加表面粗糙度，从而可以抑制滑块的飞行不稳定。

公开(公告)号：US20070086112A1

公开(公告)日：2007-04-19

申请号：US11522117

申请日：2006-09-14

申请人： Yuki Shimizu ,  Junguo Xu ,  Jianhua Li ,  Takanori Yamazaki

发明人： Yuki Shimizu ,  Junguo Xu ,  Jianhua Li ,  Takanori Yamazaki

IPC分类号： G11B5/60

CPC分类号： G11B5/6005

摘要： In a magnetic disk drive, translational and pitching vibrations in the flying height direction of a magnetic head slider are to be damped quickly while stabilizing the flying of the magnetic head slider. In one embodiment of the present invention, a magnetic disk drive is provided with a magnetic recording medium and a magnetic head slider adapted to fly over a surface of the magnetic recording medium and read or write information. The magnetic head slider includes a slider air bearing surface and a magnetic transducer. The slider air bearing surface includes a front pad having front rail surfaces and front step bearing surfaces, a rear pad having a rear rail surface and a rear step bearing surface, and a negative-pressure groove interposed between the front pad and the rear pad. A vibration suppressing groove is formed in the rear rail surface so as to be deeper than the rear rail surface and to be closed at its surround.

摘要翻译： 在磁盘驱动器中，磁头滑动器的飞行高度方向上的平移和俯仰振动将被快速衰减，同时稳定磁头滑块的飞行。 在本发明的一个实施例中，磁盘驱动器设置有磁记录介质和适于在磁记录介质的表面上飞越并读取或写入信息的磁头滑块。 磁头滑块包括滑块空气支承表面和磁换能器。 滑动器空气轴承表面包括具有前导轨表面和前阶梯支承表面的前垫，具有后轨表面和后台阶支承表面的后垫，以及插入在前垫和后垫之间的负压槽。 在后导轨面上形成振动抑制槽，使其比后导轨面更深，并且在其周围封闭。

公开(公告)号：US20070025023A1

公开(公告)日：2007-02-01

申请号：US11190239

申请日：2005-07-26

申请人： Hidekazu Kohira ,  Jianhua Li ,  Junguo Xu

发明人： Hidekazu Kohira ,  Jianhua Li ,  Junguo Xu

IPC分类号： G11B5/60

CPC分类号： G11B5/6005

摘要： Embodiments of the invention provide Femto and below form factor magnetic head slider designs both capable of minimizing reduction of its flying height at high altitude and lower flying height sensitivity on manufacturing process tolerance. In one embodiment, the air bearing surface of a magnetic head slider includes a plurality of inlet rails respectively having inlet rail surfaces, a step bearing surface extending at a predetermined first depth from a reference plane including the inlet and the outlet rail surfaces, a negative surface extending in a plane at a predetermined second depth greater than the first depth from the reference plane, longitudinal carbon islands of a predetermined height formed on the inlet rails, and an outlet rail having an outlet rail surface flush with the inlet rail surfaces and holding a magnetic R/W head. The step bearing surface extends at a predetermined first depth from a reference plane. The air bearing surface further includes two or more stepped leading air flow surfaces and three or more rising wall profiles.

摘要翻译： 本发明的实施例提供了毫微微和以下形状因子磁头滑块设计，其能够最小化在高海拔下的飞行高度的降低和对制造过程公差的较低的飞行高度灵敏度。 在一个实施例中，磁头滑块的空气支承表面包括分别具有入口轨道表面的多个入口轨道，从包括入口和出口轨道表面的参考平面在预定的第一深度延伸的台阶承载表面，负 表面在平面内延伸大于距参考平面的第一深度的预定第二深度，形成在入口轨道上的预定高度的纵向碳岛，以及具有与入口轨道表面齐平的出口轨道表面的出口轨道，并且保持 磁性R / W头。 台阶承载面从参考平面延伸到预定的第一深度。 空气轴承表面还包括两个或多个阶梯式前进空气流动表面和三个或更多个上升的壁面。