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    Magnetic disk device and magnetic head slider
    4.
    发明申请
    Magnetic disk device and magnetic head slider 有权
    磁盘装置和磁头滑块

    公开(公告)号：US20050270697A1

    公开(公告)日：2005-12-08

    申请号：US11201225

    申请日：2005-08-11

    申请人： Hidekazu Kohira ,  Masaaki Matsumoto ,  Hideaki Tanaka ,  Teruyoshi Higashiya ,  Kiyoshi Hashimoto ,  Akira Matsuda ,  Takanori Yamazaki

    发明人： Hidekazu Kohira ,  Masaaki Matsumoto ,  Hideaki Tanaka ,  Teruyoshi Higashiya ,  Kiyoshi Hashimoto ,  Akira Matsuda ,  Takanori Yamazaki

    IPC分类号： G11B5/012 ,  G11B5/60 ,  G11B15/64 ,  G11B17/32 ,  G11B21/20 ,  G11B21/21 ,  G11B33/14

    CPC分类号： G11B21/21 ,  G11B5/012 ,  G11B5/6082 ,  G11B33/14

    摘要： A magnetic head slider includes a magnetic head mounting surface, a slider rail surface, a step air bearing surface, and a negative pressure groove. The magnetic head mounting surface is arranged in a center area with respect to a width of the slider near an air flow-out edge on the slider and mounts a magnetic head. The slider rail surface has a first depth from the magnetic head mounting surface and its width on an air flow-in side for the magnetic head is wider that its width on an air flow-out side for the magnetic head. The step air bearing surface is formed on an air flow-in side of the slider rail surface and has a second depth from the slider rail surface. The negative-pressure groove which formed on an air flow-in side of the step air bearing surface and has a third depth from the step air bearing surface.

    摘要翻译： 磁头滑动器包括磁头安装表面，滑块轨道表面，台阶空气轴承表面和负压槽。 磁头安装表面相对于滑动器的宽度设置在滑块附近的空气流出边缘的中心区域，并且安装磁头。 滑块导轨表面具有从磁头安装表面的第一深度，并且其磁头的空气流入侧的宽度宽于其在磁头的空气流出侧的宽度。 台阶空气轴承表面形成在滑块轨道表面的空气流入侧，并且具有从滑块轨道表面的第二深度。 负压槽形成在台阶空气轴承面的空气流入侧，并且具有从台阶空气轴承面的第三深度。

    Magnetic disk device and magnetic head slider
    6.
    发明授权
    Magnetic disk device and magnetic head slider 有权
    磁盘装置和磁头滑块

    公开(公告)号：US06556381B2

    公开(公告)日：2003-04-29

    申请号：US09761734

    申请日：2001-01-18

    申请人： Hidekazu Kohira ,  Masaaki Matsumoto ,  Hideaki Tanaka ,  Teruyoshi Higashiya ,  Kiyoshi Hashimoto ,  Akira Matsuda ,  Takanori Yamazaki

    发明人： Hidekazu Kohira ,  Masaaki Matsumoto ,  Hideaki Tanaka ,  Teruyoshi Higashiya ,  Kiyoshi Hashimoto ,  Akira Matsuda ,  Takanori Yamazaki

    IPC分类号： G11B560

    CPC分类号： G11B21/21 ,  G11B5/012 ,  G11B5/6082 ,  G11B33/14

    摘要： A magnetic disk device is provided with a magnetic head slider mounted with a magnetic head and a magnetic disk, and the magnetic head slider has the possibility of contacting the magnetic disk at the vicinity of the magnetic head during operation of the magnetic disk device. The magnetic head slider is 1.25 mm or less in length, 1 mm or less in width and 0.3 mm or less in thickness, and the friction force exerted between the magnetic head slider and the magnetic disk is 10 mN or less. The magnetic head comprises four substantially parallel surfaces, and the depth from a first surface, which is the most adjacent surface to the magnetic disk, to a second surface is 10 nm to 50 nm, the depth from the second surface to a third surface is 50 nm to 200 nm, and the depth from the third surface to a fourth surface is 400 nm to 1 &mgr;m.

    摘要翻译： 磁盘装置设置有安装有磁头和磁盘的磁头滑块，并且磁头滑块在磁盘装置的操作期间具有与磁头附近的磁盘接触的可能性。 磁头滑块的长度为1.25mm以下，宽度为1mm以下，厚度为0.3mm以下，磁头滑块与磁盘之间的摩擦力为10mN以下。 磁头包括四个基本上平行的表面，并且从第一表面到与第二表面最相邻的表面的深度为10nm至50nm，从第二表面到第三表面的深度为 50nm至200nm，从第三表面到第四表面的深度为400nm至1μm。

    Magnetic disk device and magnetic head slider
    7.
    发明授权
    Magnetic disk device and magnetic head slider 有权
    磁盘装置和磁头滑块

    公开(公告)号：US07164556B2

    公开(公告)日：2007-01-16

    申请号：US11201225

    申请日：2005-08-11

    申请人： Hidekazu Kohira ,  Masaaki Matsumoto ,  Hideaki Tanaka ,  Teruyoshi Higashiya ,  Kiyoshi Hashimoto ,  Akira Matsuda ,  Takanori Yamazaki

    发明人： Hidekazu Kohira ,  Masaaki Matsumoto ,  Hideaki Tanaka ,  Teruyoshi Higashiya ,  Kiyoshi Hashimoto ,  Akira Matsuda ,  Takanori Yamazaki

    IPC分类号： G11B5/60

    CPC分类号： G11B21/21 ,  G11B5/012 ,  G11B5/6082 ,  G11B33/14

    摘要： A magnetic head slider includes a magnetic head mounting surface, a slider rail surface, a step air bearing surface, and a negative pressure groove. The magnetic head mounting surface is arranged in a center area with respect to a width of the slider near an air flow-out edge on the slider and mounts a magnetic head. The slider rail surface has a first depth from the magnetic head mounting surface and its width on an air flow-in side for the magnetic head is wider that its width on an air flow-out side for the magnetic head. The step air bearing surface is formed on an air flow-in side of the slider rail surface and has a second depth from the slider rail surface. The negative-pressure groove which formed on an air flow-in side of the step air bearing surface and has a third depth from the step air bearing surface.

    摘要翻译： 磁头滑动器包括磁头安装表面，滑块轨道表面，台阶空气轴承表面和负压槽。 磁头安装表面相对于滑动器的宽度设置在滑块附近的空气流出边缘的中心区域，并且安装磁头。 滑块导轨表面具有从磁头安装表面的第一深度，并且其磁头的空气流入侧的宽度宽于其在磁头的空气流出侧的宽度。 台阶空气轴承表面形成在滑块轨道表面的空气流入侧，并且具有从滑块轨道表面的第二深度。 负压槽形成在台阶空气轴承面的空气流入侧，并且具有从台阶空气轴承面的第三深度。

    Magnetic head slider
    8.
    发明授权
    Magnetic head slider 失效

    公开(公告)号：US06657820B2

    公开(公告)日：2003-12-02

    申请号：US10199200

    申请日：2002-07-19

    申请人： Hidekazu Kohira ,  Masaaki Matsumoto ,  Hideaki Tanaka ,  Akira Matsuda ,  Shozo Saegusa

    发明人： Hidekazu Kohira ,  Masaaki Matsumoto ,  Hideaki Tanaka ,  Akira Matsuda ,  Shozo Saegusa

    IPC分类号： G11B560

    CPC分类号： G11B5/6005

    摘要： A magnetic head slider has a magnetic head mounting surface holding a magnetic head, to be kept closest to a magnetic disk when the magnetic head slider is in operation, a slider rail surface contiguous with a surface, on the side of an air inlet end, and opposite sides of a portion, near an air outlet end, of the magnetic head and extending near to the air outlet end, a step bearing surface formed at least on the side of the air inlet end of the slider rail surface, and a negative-pressure groove formed so as to surround the step bearing surface. The magnetic head mounting surface is typically formed on an alumina protective film protecting the magnetic head. The variation of the flying height of the magnetic head slider with respect to a rolling direction is reduced and a proximity ability to approach the magnetic disk is improved.

    Magnetic head slider and magnetic disk apparatus using the same
    10.
    发明申请
    Magnetic head slider and magnetic disk apparatus using the same 失效
    磁头滑块及使用其的磁盘装置

    公开(公告)号：US20050099729A1

    公开(公告)日：2005-05-12

    申请号：US11010291

    申请日：2004-12-14

    申请人： Hidekazu Kohira ,  Masaaki Matsumoto ,  Kiyoshi Hashimoto ,  Masayoshi Endo ,  Akio Takakura ,  Yoshinori Takeuchi ,  Shinsuke Higuchi ,  Akira Iida

    发明人： Hidekazu Kohira ,  Masaaki Matsumoto ,  Kiyoshi Hashimoto ,  Masayoshi Endo ,  Akio Takakura ,  Yoshinori Takeuchi ,  Shinsuke Higuchi ,  Akira Iida

    IPC分类号： G11B5/60 ,  G11B21/21

    CPC分类号： G11B21/21 ,  G11B5/6082

    摘要： A magnetic head slider for sliding on the magnetic disk, which comprises: a leading edge; a trailing edge, wherein the air bearing surface has a front step bearing with submicron depth of the air bearing surface was made from said leading edge in the continuity, a rail surface made from this front step bearing in the continuity, a negative pressure recess which is more profound than said front step bearing made in the continuity from this rail surface and a side step bearing with the depth identical with said front step bearing made in the continuity from the rail surface, whereby the ratio of depth R of said recess and depth □s of said front step bearing is R/□s □5.

    摘要翻译： 一种用于在磁盘上滑动的磁头滑块，包括：前缘; 后缘，其中所述空气轴承表面具有具有所述空气轴承表面的亚微米深度的前阶梯轴承，所述前延伸轴承由所述前缘沿连续性形成，由所述前阶段制成的导轨表面承受连续性;负压凹部， 比从该轨道表面的连续性制造的所述前踏面轴承和具有与从轨道表面连续性形成的与所述前阶梯轴承相同的深度的侧踏轴承更深刻，由此所述凹槽的深度R和深度 所述前置轴承的□为R /□s□5。