公开(公告)号：US06628575B1

公开(公告)日：2003-09-30

申请号：US09798717

申请日：2001-03-02

申请人： Toru Ikeda ,  Hiroshi Tani

发明人： Toru Ikeda ,  Hiroshi Tani

IPC分类号： G11B2108

CPC分类号： G11B7/08505 ,  G11B7/0079 ,  G11B19/26 ,  G11B20/1258 ,  G11B21/083

摘要： A storage apparatus has a function of jumping to an arbitrary track on a recording medium in response to a track jump request when making access to the recording medium, where the recording medium is divided into a plurality of zones in a radial direction thereof and employing a ZCAV system. The storage apparatus includes a zone recognizing part recognizing a zone to which a present position on the recording medium belongs, and a jumping part jumping to a first zone to which the arbitrary track belongs or to a second zone which is adjacent to the first zone, based on the zone recognized by the zone recognizing part.

摘要翻译： 存储装置具有当访问记录介质时响应于轨道跳跃请求跳转到记录介质上的任意轨道的功能，其中记录介质沿其径向方向被分成多个区域，并采用 ZCAV系统 存储装置包括识别记录介质上的当前位置所属的区域的区域识别部分和跳到任意轨道所属的第一区域的跳跃部分或与第一区域相邻的第二区域， 基于区域识别部分识别的区域。

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：US06989535B2

公开(公告)日：2006-01-24

申请号：US10309278

申请日：2002-12-04

申请人： Hiroshi Tani ,  Yoko Ogawa ,  Masanori Inoue ,  Takaaki Shirakura ,  Koji Sonoda

发明人： Hiroshi Tani ,  Yoko Ogawa ,  Masanori Inoue ,  Takaaki Shirakura ,  Koji Sonoda

IPC分类号： G01N23/00

CPC分类号： G01Q60/38 ,  G11B5/8408 ,  Y10S977/852

摘要： To provide an atomic force microscopy which allows the measurement of the configuration of a surface being measured by using the phenomenon observed between the surface being measured and a probe approaching thereto at very fine distance.By selecting the material of the tip surface of said probe such that the surface energy of said probe tip becomes less than the interface energy between the tip surface and the surface being measured, thereby the surface configuration of soft body, or soft fouling adhered to the body surface can be measured.A method of measuring the surface configuration and a method of producing magnetic recording medium using the same are also provided.

公开(公告)号：US06555197B1

公开(公告)日：2003-04-29

申请号：US09561216

申请日：2000-04-28

申请人： Mina Ishida ,  Takayuki Nakakawaji ,  Yutaka Ito ,  Hiroyuki Matsumoto ,  Hiroshi Tani ,  Heigo Ishihara

发明人： Mina Ishida ,  Takayuki Nakakawaji ,  Yutaka Ito ,  Hiroyuki Matsumoto ,  Hiroshi Tani ,  Heigo Ishihara

IPC分类号： G11B5725

CPC分类号： G11B5/725 ,  G11B5/71 ,  G11B33/148 ,  Y10T428/3154

摘要： A lubricant which does not splash easily and has an improved property of slidableness, and a magnetic disk using the lubricant are provided. A magnetic disk apparatus featuring a prolonged service life of a stable operation and an excellent record reproduction property is provided by installing the above magnetic disk. The lubricant of the invention contains perfluoropolyether expressed by the following general formula, in which a component of its molecular weights less than 1000 is smaller than 10 wt. %, a component of its molecular weights not less than 7000 is smaller than 15 wt. %, a ratio between a weight average molecular weight and a numeric average molecular weight is 1.5 or less, and a substitution ratio of its terminal functional group is not less than 90%: R1—CF2O—[—(CF2CF2O )—m—(CF2O)—n—]—CF2—R2  (1), where R1 and R2 are univalent organic groups, m and n are positive integers. Further for the magnetic disk which rotates at a speed of 10000 rpm or more, a lubricant containing a perfluoropolyether expressed by the following general formula is used, in which its numeric average molecular weight is not less than 5500, a component of molecular weights less than 3000 is 15 wt. % or less, a ratio between its weight average molecular weight and its numeric average molecular weight is 1.5 or less, and a substitution ratio of its terminal functional group is not less than 90%: HOCH2—CF2O—[—CF2CF2O]—m—[CF2O]—n—CF2—CH2OH  (2), where m and n are positive integers.

摘要翻译： 提供不容易飞溅并且具有改善的滑动性的润滑剂和使用润滑剂的磁盘。 通过安装上述磁盘来提供具有延长的稳定操作的使用寿命和良好的记录再现性能的磁盘装置。 本发明的润滑剂包含由以下通式表示的全氟聚醚，其中分子量小于1000的组分小于10重量％。 ％，其分子量不小于7000的组分小于15重量％。 ％，重均分子量与数均分子量之比为1.5以下，其末端官能团的取代率为90％以上：其中，R1和R2为单价有机基团，m和n为 正整数。 此外，对于以10000rpm以上的速度旋转的磁盘，使用含有由以下通式表示的全氟聚醚的润滑剂，其数均分子量不小于5500，分子量小于 3000是15wt。 ％以下，其重均分子量与数均分子量之比为1.5以下，其末端官能团的取代率为90％以上：m和n为正整数。

公开(公告)号：US06243344B1

公开(公告)日：2001-06-05

申请号：US09106529

申请日：1998-06-29

申请人： Hiroshi Tani

发明人： Hiroshi Tani

IPC分类号： G11B700

CPC分类号： G11B7/005 ,  G11B20/10009 ,  G11B27/3027

摘要： A sector mark detecting circuit for detecting a sector mark on an optical storage medium includes a binarizing circuit which binarizes a reading signal of an optical head in accordance with a predetermined detection parameter and is capable of changing the detection parameter. A recognizing circuit is adapted to recognize a sector mark from an output of the binarizing circuit, and a control circuit is adapted to measure an optimal value of the detection parameter of the binarizing circuit and control the detection parameter of the binarizing circuit to the optimal value. A sector mark detection rate is thereby enhanced.

摘要翻译： 用于检测光学存储介质上的扇区标记的扇区标记检测电路包括：二值化电路，其根据预定的检测参数二值化光学头的读取信号，并且能够改变检测参数。 识别电路适于从二值化电路的输出识别扇区标记，并且控制电路适于测量二值化电路的检测参数的最佳值，并将二值化电路的检测参数控制到最佳值 。 从而增强扇区标记检测率。

公开(公告)号：US5549211A

公开(公告)日：1996-08-27

申请号：US359272

申请日：1994-12-19

申请人： Takao Nakamura ,  Nobuya Sekiyama ,  Hiroshi Tani ,  Yoshiki Kato

发明人： Takao Nakamura ,  Nobuya Sekiyama ,  Hiroshi Tani ,  Yoshiki Kato

IPC分类号： G11B5/66 ,  G11B5/60 ,  G11B5/65 ,  G11B5/72 ,  G11B5/73 ,  G11B5/738 ,  G11B5/82 ,  G11B5/84 ,  G11B21/21 ,  B44C1/22

CPC分类号： G11B5/6005 ,  G11B5/82 ,  G11B5/8404 ,  Y10T428/24355

摘要： There is disclosed a magnetic disk having a surface shape so designed as to satisfy flying characteristics and sliding characteristics in CSS and the head adhesion even in a high-density recording. The surface shape of the contact surface of the magnetic disk for contact with a sliding surface of a magnetic head plays a very important role in the magnetic disk characteristics such as the head flying characteristics, the head adhesion and the CSS characteristics, and it has been found that a three-dimensional load ratio (0.5% to 10%) and a symmetric property Rsk (0.5 to 2) of a cross-section curve representing depressions and projections on the surface are essential as items of evaluation of this surface shape. For example, the surface shape of an aluminum alloy disk plated with Ni--P is processed in such a manner that the load ratio of the three-dimensional load ratio BR5 is 0.5% to 10% and that the symmetric property Rsk of the cross-sectional shape of this surface is 0.5 to 2. Then, a chromium intermediate film, a Co--Cr magnetic film, a carbon protective film and a film of lubricant are formed on the substrate. By doing so, the magnetic disk having the desired characteristics can be obtained.

摘要翻译： 公开了一种表面形状的磁盘，其设计成即使在高密度记录中也能满足CSS中的飞行特性和滑动特性以及头部粘附。 用于与磁头的滑动表面接触的磁盘的接触表面的表面形状在诸如头部飞行特性，头部附着力和CSS特性的磁盘特性中起着非常重要的作用，并且已经被 发现表面上的凹凸的横截面曲线的三维载荷比（0.5％〜10％）和对称性Rsk（0.5〜2）是必须的，作为该表面形状的评价项目。 例如，以三维负荷比BR5的负载比为0.5％〜10％的方式对镀有Ni-P的铝合金盘的表面形状进行加工， 该表面的截面形状为0.5〜2。然后，在基板上形成铬中间膜，Co-Cr磁性膜，碳保护膜和润滑剂膜。 通过这样做，可以获得具有期望特性的磁盘。

公开(公告)号：US20090217765A1

公开(公告)日：2009-09-03

申请号：US12393545

申请日：2009-02-26

申请人： Hiroshi Tani ,  Yoshinari Higashino

发明人： Hiroshi Tani ,  Yoshinari Higashino

IPC分类号： G01H1/00

CPC分类号： G01H1/003 ,  G11B19/042

摘要： A sensor failure diagnosis device including a control section that generates vibrations by moving a movable component inside a device is provided. The device includes a determining section that determines whether a value related to a vibration amount output from the sensor, which detects the vibrations generated in the device by the control section, falls within a predetermined range and an output section that outputs a result determined by the determining section.

摘要翻译： 提供了一种传感器故障诊断装置，其包括通过使装置内部的可移动部件移动来产生振动的控制部。 该装置包括确定部分，其确定与从传感器输出的振动量相关的值是否检测到由控制部分在装置中产生的振动落在预定范围内的输出部分，以及输出部分，其输出由 确定部分。

公开(公告)号：US07525766B2

公开(公告)日：2009-04-28

申请号：US11060847

申请日：2005-02-18

申请人： Hiroshi Tani

发明人： Hiroshi Tani

IPC分类号： G11B5/60 ,  G11B17/32

CPC分类号： G11B5/6082

摘要： In one embodiment, the slider surface comprises an inflow shallow groove part formed in a stepped manner, two inflow end pads, a negative pressure generating deep groove part, an outflow shallow deep groove part formed on the air outflow end side, an outflow end pad provided on the outflow shallow groove part, and a trimmed part (flying height reducing portion) in which the outflow end pad is extended to the air outflow end while being narrowed in width. A magnetic head is formed on the trimmed part on the outflow side of the outflow end pad, and the trimmed part between the magnetic head and the outflow end is formed with a groove portion in the air outflow direction.

摘要翻译： 在一个实施例中，滑块表面包括以阶梯形式形成的流入浅槽部，两个流入端垫，负压产生深槽部，形成在空气流出端侧的流出浅深槽部，流出端垫 设置在流出浅槽部分上，以及修剪部分（飞行高度降低部分），其中流出端垫片在宽度方向上延伸到空气流出端。 在流出端垫的流出侧的修剪部上形成有磁头，在磁头和流出端之间的修整部分在空气流出方向形成有槽部。

公开(公告)号：US20080080094A1

公开(公告)日：2008-04-03

申请号：US11904689

申请日：2007-09-27

申请人： Hiroshi Tani ,  Sunao Yonekawa

发明人： Hiroshi Tani ,  Sunao Yonekawa

IPC分类号： G11B5/60 ,  G11B15/64 ,  G11B21/20

CPC分类号： G11B17/32

摘要： Embodiments of the present invention help to prevent, in a magnetic head slider adapted to be able to control flying height of a head element, the occurrence of excessive frictional force, even in case of contact with a magnetic disk, and suppress vibration of the slider. According to one embodiment, an air bearing surface of a magnetic head slider includes a deep groove, a shallow-trench rail about 100 nm higher than the deep groove, a rear end shoulder, two leading end pads about 1 μm higher than the deep groove, a trailing end pad about 970-995 nm higher than the deep groove, and an element pad about 5-30 nm higher than the trailing end pad and flush with the leading end pads. A head element includes a magnetic head element and a heater. The element pad has an area of 50-500 μm2, and the magnetic head element is disposed near a central section of the element pad.

摘要翻译： 本发明的实施例有助于在适于能够控制头元件的飞行高度的磁头滑动器中，即使在与磁盘接触的情况下也会发生过大的摩擦力，并且抑制滑块的振动 。 根据一个实施例，磁头滑动器的空气轴承表面包括深沟槽，比深槽高约100nm的浅沟槽轨道，后端肩部，比深槽高约1米的两个前端焊盘 ，比深沟槽高约970-995nm的尾端垫，以及比后端垫高约5-30nm并与前端焊盘齐平的元件垫。 头元件包括磁头元件和加热器。 元件焊盘的面积为50-500μm2，磁头元件设置在元件焊盘的中央部分附近。

公开(公告)号：US06773784B2

公开(公告)日：2004-08-10

申请号：US10364501

申请日：2003-02-12

申请人： Kouji Sonoda ,  Hiroshi Tani ,  Hiroyuki Matsumoto ,  Mitsuhiro Shoda ,  Toshinori Ono

发明人： Kouji Sonoda ,  Hiroshi Tani ,  Hiroyuki Matsumoto ,  Mitsuhiro Shoda ,  Toshinori Ono

IPC分类号： G11B5725

CPC分类号： C03C17/40 ,  G11B5/725 ,  G11B5/732 ,  G11B5/7325 ,  Y10T428/24942 ,  Y10T428/265

摘要： The object of this invention is to provide a magnetic disk which has an excellent durability even with a protective film having a small film thickness of 4 nm or less. The magnetic disk of this invention is a magnetic disk comprising a non-magnetic substrate and, provided thereon, a magnetic metal film, carbon protective film and fluorine-containing lubricant film, wherein the carbon protective film is a DLC film having a film thickness of 4 nm or less and the ratio of infrared absorption intensity resulting from the C—H bond near 2,920 cm−1 determined by FT-IR using ATR to infrared absorption intensity resulting from the C—F bond of the lubricant film is 0.035-0.060.

摘要翻译： 本发明的目的是提供一种即使是具有4nm或更小的薄膜厚度的保护膜也具有优异的耐久性的磁盘。 本发明的磁盘是包含非磁性基片的磁盘，其上设置有磁性金属膜，碳保护膜和含氟润滑剂膜，其中碳保护膜是DLC膜，其膜厚度为 4nm以下，由FT-IR使用ATR测定的CH键附近的2,920cm -1处的红外吸收强度与由润滑剂膜的CF键导致的红外吸收强度的比率为0.035〜0.060。