-
公开(公告)号：US20060027527A1
公开(公告)日：2006-02-09
申请号：US11193105
申请日：2005-07-29
CPC分类号： G11B5/667 , B24B21/04 , B24B37/08 , G11B5/8404
摘要： A perpendicular magnetic recording disk is produced by polishing to make smoother both surfaces of a substrate and sequentially forming a soft magnetic layer, a perpendicular recording layer and a protective layer on each of the polished surfaces of the substrate. The surfaces of the soft magnetic layers are polished by a fixed particle polishing method to be made smoother, and the perpendicular recording layers is formed on the smoothed surfaces of the soft magnetic layers either directly or with an intermediate layer in between.
摘要翻译： 通过抛光来制造垂直磁记录盘，以使基板的两个表面更平滑，并且在基板的每个抛光表面上依次形成软磁性层，垂直记录层和保护层。 软磁性层的表面通过固定的粒子研磨方法进行抛光，使其平滑化，并且垂直记录层直接形成在软磁性层的平滑表面上，或者与其之间的中间层形成。
-
公开(公告)号：US20050086870A1
公开(公告)日：2005-04-28
申请号：US10974867
申请日：2004-10-26
申请人： Noriyuki Kumasaka
发明人： Noriyuki Kumasaka
CPC分类号： B01J3/08 , C01B32/28 , C09K3/1409
摘要： Polishing particles are made of artificial diamond produced by a shock method, having density of 3.0-3.35 g/cm3 and including secondary particles with average particle diameter of 30 nm-500 nm. Such polishing particles are produced by firstly obtaining a product containing artificial diamond by a shock method, then subjecting this product to an acid treatment by using one or more strong acids such as concentrated sulfuric acid, concentrated nitric acid and concentrated hydrochloric acid to thereby remove impurities from and wash the product, thereafter subjecting the product to a classification process to thereby separate artificial diamond of a first kind having secondary particles with particle diameters of 30 nm-500 nm and artificial diamond of a second kind having secondary particles with particle diameters in excess of 500 nm and selecting artificial diamond of a third kind having density of 3.0-3.35 g/cm3 out of the artificial diamond of the first kind. It is the artificial diamond of the third kind that is to be used as the diamond polishing particles.
摘要翻译： 抛光颗粒由人造金刚石制造，其通过冲击法制备，密度为3.0-3.35g / cm 3，并且包括平均粒径为30nm-500nm的二次颗粒。 通过首先通过冲击法获得含有人造金刚石的产品，然后通过使用一种或多种强酸例如浓硫酸，浓硝酸和浓盐酸对该产物进行酸处理，从而除去杂质， 然后对产品进行洗涤，然后对产品进行分级处理，从而分离具有粒径为30nm-500nm的二次粒子的第一种人造金刚石和具有粒径超过二次粒子的第二种人造金刚石 并选择第三类人造金刚石，其中第三种人造金刚石具有3.0-3.35g / cm 3的密度，出自第一类人造金刚石。 是用作金刚石抛光颗粒的第三种人造金刚石。
-
公开(公告)号：US06477133B1
公开(公告)日：2002-11-05
申请号：US09644854
申请日：2000-08-24
申请人： Yasuhiro Yoshimura , Yoshishige Endo , Katsutoshi Nii , Yoshihiro Satou , Yoshiaki Yamauchi , Noriyuki Kumasaka , Kazuto Oyama , Hisahiro Miki , Tomoki Hirata
发明人： Yasuhiro Yoshimura , Yoshishige Endo , Katsutoshi Nii , Yoshihiro Satou , Yoshiaki Yamauchi , Noriyuki Kumasaka , Kazuto Oyama , Hisahiro Miki , Tomoki Hirata
IPC分类号： G11B2300
CPC分类号： G11B33/08 , G11B17/0284
摘要： A disk drive is realized, which omits running-in for stabilizing a change in a correcting function produced by sliding between balls and a rolling groove in an unbalance correcting mechanism, and prevents immobility and straying of balls, and which comprises a unit mechanism assembled by using 12 balls subjected to surface treatment with heptadecafluorodecyltrimethoxysilane and a turntable plated with a chemical nickel plating containing phosphorus and boron to have a thickness of 5 &mgr;m and by injecting 1 microliter of ester oil into the rolling groove, and further comprises a recess formed in a sidewall of the rolling groove of the unbalance correcting mechanism to prolong the service life of the correcting function.
摘要翻译： 实现了一种磁盘驱动器，其省略了进入，用于稳定由不平衡校正机构中的球和滚动槽之间的滑动产生的校正功能的变化，并且防止球的不动和偏移，并且包括由单元机构组装的单元机构 使用用十七氟癸基三甲氧基硅烷进行表面处理的12个滚珠和镀有含磷和硼的化学镀镍的转台，其厚度为5um，并通过将1微升的酯油注入到滚动槽中，并且还包括形成在 不平衡校正机构的滚动槽的侧壁延长校正功能的使用寿命。
-
64.发明授权Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unit 有权带有流体动力流体轴承单元的磁盘驱动单元和带有驱动单元的磁盘设备公开(公告)号：US06243230B1
公开(公告)日：2001-06-05
申请号：US09277163
申请日：1999-03-26
申请人： Katsutoshi Nii , Kenji Tomida , Hiroshi Nishida , Kouki Uefune , Yuuichi Yanagase , Masaru Muranishi , Takashi Kouno , Kazuhiko Kawakami , Hisanobu Kanamaru , Noriyuki Kumasaka
发明人： Katsutoshi Nii , Kenji Tomida , Hiroshi Nishida , Kouki Uefune , Yuuichi Yanagase , Masaru Muranishi , Takashi Kouno , Kazuhiko Kawakami , Hisanobu Kanamaru , Noriyuki Kumasaka
IPC分类号： G11B1702
CPC分类号： H02K5/1675 , F16C17/028 , F16C33/1075 , F16C2370/12 , G11B19/2018
摘要： A disk drive unit includes a rotary member, which has a spindle, and has an information-recording disk fixedly mounted thereon, and a bearing unit rotatably supporting the spindle. The bearing unit includes a radial bearing device, provided in opposed relation to an outer peripheral surface of the spindle, and a thrust bearing device provided in opposed relation to a distal end surface of the spindle. The radial bearing device has a concentric arc-shaped bearing surface, which is concentric with the circular outer periphery of the spindle, and a non-concentric arc-shaped bearing surface which is non-concentric with the circular outer periphery of the spindle. The disk drive unit further includes a motor for imparting a rotational force to the spindle, and a lubricating fluid filled in the bearing unit.
摘要翻译： 磁盘驱动单元包括具有主轴的旋转构件，并且具有固定地安装在其上的信息记录盘，以及可旋转地支撑心轴的轴承单元。 轴承单元包括与主轴的外周表面相对设置的径向轴承装置，以及与主轴的远端表面相对设置的止推轴承装置。 径向轴承装置具有与心轴的圆形外周同心的同心圆弧状的支承面，以及与心轴的圆形外周不同心的非同心圆弧状的支承面。 盘驱动单元还包括用于向主轴施加旋转力的马达和填充在轴承单元中的润滑流体。
-
65.发明授权
公开(公告)号：US5858548A
公开(公告)日：1999-01-12
申请号：US509584
申请日：1995-07-31
CPC分类号： G11B5/127 , G11B5/31 , H01F10/14 , Y10S428/90 , Y10T428/115 , Y10T428/31678
摘要： Corrosion resistance of a magnetic film composed mainly of Fe is maintained while keeping its magnetic properties. A magnetic head having a magnetic core is formed in part of the magnetic thin film, which contains not only an alloy of Fe-metalloid series but also (Al, Ru) or (Al, Rh) and which is thermally treated at a constant temperature to develop the soft magnetic properties. The deterioration of the saturation magnetization and the soft magnetic properties is suppressed by adding (Al, Ru) or (Al, Rh) together. The magnetic film has a high saturation magnetization and excellent soft magnetic properties and is excellent in corrosion resistance and hardness.
摘要翻译： 主要由Fe组成的磁性膜的耐腐蚀性得到保持，同时保持其磁特性。 具有磁芯的磁头形成在磁性薄膜的一部分中，其不仅包含Fe-类金属系合金，而且包含（Al，Ru）或（Al，Rh），并且在恒温下进行热处理 开发软磁性能。 通过将（Al，Ru）或（Al，Rh）加入到一起来抑制饱和磁化强度和软磁性能的劣化。 磁性膜具有高的饱和磁化强度和优异的软磁性能，并且具有优异的耐腐蚀性和硬度。
-
66.发明授权
公开(公告)号：US5159505A
公开(公告)日：1992-10-27
申请号：US531335
申请日：1990-05-31
申请人： Yasuaki Horiuchi , Kuninori Imai , Takeshi Tajima , Takeo Yamashita , Shigekazu Otomo , Noriyuki Kumasaka
发明人： Yasuaki Horiuchi , Kuninori Imai , Takeshi Tajima , Takeo Yamashita , Shigekazu Otomo , Noriyuki Kumasaka
摘要： A rotating drum for use in a magnetic recording system. A magnetic head is mounted on the rotating drum, and a magnetic recording medium is wound on the rotating drum, and the rotating drum is rotated so as to read and write signals. Alternatively, the magnetic recording medium is mounted on the rotating drum, and signals are read and written by a magnetic head fixed exteriorly of the rotating drum. The rotating drum has at least one opening or notch in a magnetic recording medium-winding surface thereof. In order to restrain the deformation of the rotating drum during the rotation thereof, the center of gravity of the drum is disposed substantially in registry with the axis of rotation of the drum.
摘要翻译： 用于磁记录系统的旋转鼓。 磁头安装在转鼓上，磁记录介质缠绕在旋转的滚筒上，旋转的滚筒旋转以便读写信号。 或者，磁记录介质安装在旋转滚筒上，并且通过固定在旋转滚筒外部的磁头来读取和写入信号。 旋转鼓在其磁记录介质卷绕表面中具有至少一个开口或凹口。 为了抑制旋转鼓在其旋转期间的变形，滚筒的重心基本上与滚筒的旋转轴线重合。
-
公开(公告)号：US5147732A
公开(公告)日：1992-09-15
申请号：US412988
申请日：1989-09-26
申请人： Yoshihiro Shiroishi , Takeo Yamashita , Sadao Hishiyama , Noriyuki Kumasaka , Yoshibumi Matsuda , Hiroyuki Suzuki , Kazumasa Takagi , Norikazu Tsumita , Masaki Ohura , Tomoyuki Ohno
发明人： Yoshihiro Shiroishi , Takeo Yamashita , Sadao Hishiyama , Noriyuki Kumasaka , Yoshibumi Matsuda , Hiroyuki Suzuki , Kazumasa Takagi , Norikazu Tsumita , Masaki Ohura , Tomoyuki Ohno
IPC分类号： G11B5/64 , G11B5/66 , G11B11/105
CPC分类号： G11B5/65 , G11B11/10593 , G11B5/66 , Y10S428/90 , Y10S428/928 , Y10T428/12861
摘要： Disclosed are longitudinal recording media comprising a composite magnetic film formed on a nonmagnetic substrate directly or through a nonmagnetic underlayer, in which all of magnetic thin films constituting the composite magnetic film are magnetically connected, the composite magnetic film has a single in-plane coercivity, and the in-plane coercivity is greater than the in-plane coercivity of a longitudinal magnetically anisotropic magnetic thin film constituting a magnetic thin film nearest to an information recording side among the magnetic thin films constituting the composite film.
摘要翻译： 本发明公开了一种纵向记录介质，其包括直接或通过非磁性底层形成在非磁性基底上的复合磁性膜，其中构成复合磁性膜的所有磁性薄膜磁性连接，复合磁性膜具有单一的面内矫顽力， 并且面内矫顽力大于构成复合膜的磁性薄膜中构成最靠近信息记录侧的磁性薄膜的纵向磁各向异性磁性薄膜的面内矫顽力。
-
68.发明授权Thin film magnetic head including magnetic layers having high saturation magnetic flux density and metal film for avoiding deterioration during manufacturing 失效薄膜磁头包括具有高饱和磁通密度的磁性层和用于避免制造过程中的劣化的金属膜
公开(公告)号：US4943879A
公开(公告)日：1990-07-24
申请号：US085719
申请日：1987-08-17
IPC分类号： G11B5/31
CPC分类号： G11B5/3163 , G11B5/3133
摘要： A thin film magnetic head having a first magnetic layer of a saturation magnetic flux density greater than that of a Ni-Fe alloy and a second magnetic layer of a saturation magnetic flux density grater than that of a Ni-Fe alloy supported by a base layer, the magnetic layers for forming a magnetic core of the head with a non-magnetic material gap layer interposed therebetween, and an electrically insulating layer provided between the magnetic layers so that turns of coil wound about the magnetic core are partly formed in electrically insulated relation within the insulating layer, in which a metal film is provided between the first magnetic layer and the electrically insulating layer so that the electrically insulating layer does not contact with the first magnetic layer and/or another metal film is formed on the second magnetic layer so that the other metal layer is sandwiched between the non-magnetic layer and the second magnetic layer.
摘要翻译： 一种薄膜磁头，其具有大于Ni-Fe合金的饱和磁通密度的第一磁性层和比由基底层支撑的Ni-Fe合金的饱和磁通密度分布的第二磁性层 用于形成具有介于其间的非磁性材料间隙层的头部的磁芯的磁性层和设置在磁性层之间的电绝缘层，使得缠绕在磁芯上的线圈的匝部分地形成为电绝缘关系 在绝缘层内，在第一磁性层和电绝缘层之间设有金属膜，使得电绝缘层不与第一磁性层接触和/或在第二磁性层上形成另一金属膜，因此 另一个金属层夹在非磁性层和第二磁性层之间。
-
公开(公告)号：US4920013A
公开(公告)日：1990-04-24
申请号：US100231
申请日：1987-09-23
CPC分类号： B82Y25/00 , G11B5/1278 , G11B5/147 , G11B5/31 , H01F10/30 , H01F10/324 , H01F10/3254 , Y10S428/90
摘要： A magnetic multilayer structure having an increased permeability and an increased saturation magnetic flux density comprises a plurality of magnetic layers and a plurality of intermediate layers alternately laminated one upon another. Each of the magnetic layers is made of Fe, Co, Ni or an alloy containing one of Fe, Co and Ni, while each of the intermediate layers is made of a material capable of interstitially forming a solid solution with the material of the magnetic layers.
摘要翻译： 具有增加的磁导率和增加的饱和磁通密度的磁性多层结构包括多个磁性层和彼此交替层叠的多个中间层。 每个磁性层由Fe，Co，Ni或含有Fe，Co和Ni之一的合金制成，而每个中间层由能够与磁性层的材料间路形成固溶体的材料制成 。
-
公开(公告)号：US4858049A
公开(公告)日：1989-08-15
申请号：US56114
申请日：1987-06-01
CPC分类号： G11B5/31 , G11B5/1278 , H01F10/14 , H01F10/265
摘要： A magnetic film and a magnetic head using the magnetic film are disclosed. The magnetic film is formed by adding one or more elements by 5 to 20 at. %, the elements being selected from B, N, C and P interstitially soluble to Fe to a magnetic film made of Fe or having Fe as its main component.
摘要翻译： 公开了使用该磁性膜的磁性膜和磁头。 磁性膜通过将一个或多个元素加入5至20at而形成。 ％，选自B，N，C和P中的元素从Fe中Fe离子形成Fe或以Fe为主要成分的磁性膜。
-
-
-
-
-
-
-
-
-
搜索结果
73 条记录 (耗时 0.028 秒)
