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    • 52. 发明申请
    • Flying height measurement apparatus and method therefor
    • 飞行高度测量装置及其方法
    • US20070211361A1
    • 2007-09-13
    • US11480835
    • 2006-07-06
    • Takahiro ImamuraToru Yokohata
    • Takahiro ImamuraToru Yokohata
    • G11B27/36
    • G11B5/6029G11B5/6005
    • Provided is a new apparatus for measuring a flying height of a head requiring none of a specific magnetization pattern, that is, ahead flying height measurement apparatus for use within a disk drive including a reading head, including: a signal replay unit 300 for replaying a signal from the reading head; filter units 320 and 322, being connected to the signal replay unit, for filtering the replayed signal; amplitude detection units 330 and 332, being connected to each of the filter units, for detecting a maximum amplitude or a representative value close thereto from the filtered replayed signal; and a calculation unit 340 for calculating a flying height of the reading head within the disk drive by using the maximum amplitude, or the representative value close thereto, which is detected by the amplitude detection unit.
    • 提供了一种用于测量不需要特定磁化模式的磁头的飞行高度的新装置,即包括读取头的磁盘驱动器内的前置飞行高度测量装置,包括:重放信号重放单元300 来自阅读头的信号; 滤波器单元320和322连接到信号重放单元,用于对重放的信号进行滤波; 幅度检测单元330和332连接到每个滤波器单元,用于从滤波的重放信号中检测最接近其的最大振幅或代表值; 以及计算单元340,用于通过使用由振幅检测单元检测到的最大振幅或靠近其的代表值来计算盘驱动器内的读取头的飞行高度。
    • 54. 发明授权
    • Resin composition
    • 树脂组成
    • US07098268B2
    • 2006-08-29
    • US10485531
    • 2002-08-01
    • Toshihide SenzakiTakahiro Imamura
    • Toshihide SenzakiTakahiro Imamura
    • C08K5/06C08L9/06C08L61/18
    • F16F15/08C08K5/13C08L61/18C08L61/34F16F1/3605
    • This invention relates to a resin composition useful as a vibration-damping agent and the like. The resin composition is formulated by adding 1 wt % or more of styrenated phenol obtained by the reaction of a phenol with styrene to a polycyclic aromatic oligomer obtained by condensing a polycyclic aromatic compound containing 2 to 3 rings and formaldehyde. The polycyclic aromatic oligomer is obtained by the reaction of a polycyclic aromatic compound with formaldehyde and, if necessary, further with a phenol in the presence of an acid catalyst and has a number average molecular weight of 300–1000. The styrenated phenol is obtained by the reaction of 1 mole of a phenol with 1–2.5 moles of styrene in the presence of an acid catalyst.
    • 本发明涉及可用作减振剂等的树脂组合物。 通过将通过苯酚与苯乙烯反应得到的苯乙烯苯酚1重量%以上加入到通过使含有2〜3个环和甲醛的多环芳族化合物缩合得到的多环芳族低聚物而配制。 多环芳族低聚物是通过多环芳香族化合物与甲醛的反应而得到的,如果需要,还可以在酸催化剂的存在下与苯酚反应,数均分子量为300〜1000。 苯乙烯苯酚通过在酸催化剂的存在下与1摩尔苯酚与1-2.5摩尔苯乙烯反应获得。
    • 56. 发明授权
    • Head slider having piezoelectric actuator
    • 具有压电致动器的头滑块
    • US06870709B2
    • 2005-03-22
    • US10101009
    • 2002-03-19
    • Takeaki ShimanouchiRyousuke KoishiTakahiro Imamura
    • Takeaki ShimanouchiRyousuke KoishiTakahiro Imamura
    • G11B5/54G11B5/60G11B21/21G11B5/56
    • G11B5/54G11B5/6005
    • A head slider includes a front rail having an air bearing surface and a step surface lower than the air bearing surface, provided on a disk faced surface in the vicinity of an air inflow end, a transducer provided in the vicinity of an air outflow end, and a groove for generating a negative pressure by expanding air once compressed by the front rail. The head slider further includes a piezoelectric actuator mounted on a head slider back surface on the opposite side of the disk faced surface excluding the vicinity of the air outflow end. By the piezoelectric actuator, the front rail and the neighboring portion are deformed in the direction toward the recording medium or away from the recording medium, and the positive pressure generated at the air bearing surface is regulated, whereby the floating amount of the head slider can be regulated.
    • 磁头滑块包括设置在空气流入端附近的盘面上的空气轴承表面和比空气轴承表面低的台阶表面的前轨,设置在空气流出端附近的换能器, 以及用于通过由前轨压缩而膨胀的空气来产生负压的槽。 磁头滑动器还包括安装在除了空气流出端附近的磁盘面对面的相对侧的磁头滑块后表面上的压电致动器。 通过压电致动器,前轨和相邻部分在朝向记录介质的方向或远离记录介质的方向上变形,并且调节在空气轴承表面处产生的正压,由此头滑动器的浮动量 被监管。
    • 58. 发明授权
    • Thin film magnetic head slider and electrostatic actuator for driving a head element thereof
    • 薄膜磁头滑块和用于驱动其头元件的静电致动器
    • US06181531B2
    • 2001-01-30
    • US09189301
    • 1998-11-10
    • Takao KoshikawaHiroshi MaedaTakahiro Imamura
    • Takao KoshikawaHiroshi MaedaTakahiro Imamura
    • G11B2120
    • G11B5/6005G11B5/488G11B5/54H02N1/008Y10T29/49041Y10T29/49812
    • A thin film magnetic head slider has a media opposing surface which is adapted to be opposed to a recording medium, and includes a sacrificial layer, on a substratum that has a surface for forming the media opposing surface having at least one rail. A tracking mechanism or loading/unloading mechanism can be provided on the slider. An electrostatic actuator suitable for driving such a mechanism includes a stationary section having a plurality of teeth parallel to each other, a movable section having a plurality of teeth parallel to the teeth of the stationary section, a support spring for supporting the movable section so that the movable section can be moved with respect to the stationary section in the tooth width direction. A drive force generator moves the movable section to a position at which an electrostatic attraction force in the tooth width direction generated when a voltage is impresses between the teeth of the stationary section and those of the movable section, is balanced with the elastic force of the head suspension.
    • 薄膜磁头滑块具有适于与记录介质相对的介质相对表面,并且在具有用于形成具有至少一个轨道的介质相对表面的表面的基底上包括牺牲层。 可以在滑块上提供跟踪机构或加载/卸载机构。 适于驱动这种机构的静电致动器包括具有彼此平行的多个齿的固定部分,具有平行于固定部分的齿的多个齿的可动部分,用于支撑可动部分的支撑弹簧,使得 可移动部分能够相对于固定部分在齿宽度方向上移动。 驱动力发生器将可动部移动到在静止部的齿和可动部的齿之间施加电压时产生的齿宽方向的静电引力的位置,与静止部的齿的弹力 头部悬挂。
    • 59. 发明授权
    • Method of making a head slider
    • 制作磁头滑块的方法
    • US06088908A
    • 2000-07-18
    • US44578
    • 1998-03-19
    • Takahiro ImamuraYukinori Ikegawa
    • Takahiro ImamuraYukinori Ikegawa
    • G11B5/60G11B5/10G11B5/58G11B7/12G11B7/22G11B11/105G11B21/21G11B5/42
    • G11B7/22G11B11/1058G11B7/122G11B5/102G11B5/58G11B5/6005Y10T29/49041
    • In a method for forming a horizontal head slider having a media opposing surface flying above or coming into contact with a recording medium, a film-like surface of a head for recording/reproducing information provided in parallel to the media opposing surface, and a rail portion provided on the media opposing surface for generating a pressure for ensuring stable flying or contact. The rail portion has a planar portion and a taper portion, and all of the shaping accuracy of the bottom surface of the slider and the rail, the adhesive property to a sacrificial layer overlaid thereon and the surface smoothness of the rail surface are enhanced. When the rail portion is formed, a part of mold for the planar portion is prepared by a metallic layer 2 and a mold for the taper portion is prepared by a photoresist layer 3, and a sacrificial layer 4, a media opposing surface layer 6 and a slider body layer 6 are formed thereon in this order.
    • 在形成水平磁头滑块的方法中,其具有在记录介质上方或与记录介质接触的介质相对表面,用于记录/再现与介质相对表面平行设置的信息的磁头的膜状表面,以及轨道 设置在介质相对表面上的用于产生用于确保稳定的飞行或接触的压力的部分。 轨道部分具有​​平坦部分和锥形部分,并且滑块和轨道的底表面的所有成形精度,覆盖在其上的牺牲层的粘合性和轨道表面的表面平滑度得到增强。 当形成轨道部分时,通过金属层2制备用于平面部分的模具的一部分,并且用于锥形部分的模具由光致抗蚀剂层3和牺牲层4,与介质相对的表面层6和 在其上依次形成滑块体层6。
    • 60. 发明授权
    • Method of making a thin film magnetic slider
    • 制造薄膜磁性滑块的方法
    • US5920978A
    • 1999-07-13
    • US603257
    • 1996-02-20
    • Takao KoshikawaHiroshi MaedaTakahiro Imamura
    • Takao KoshikawaHiroshi MaedaTakahiro Imamura
    • G11B5/48G11B5/54G11B5/60H02N1/00G11B5/42
    • G11B5/6005G11B5/488G11B5/54H02N1/008Y10T29/49041Y10T29/49812
    • A method for manufacturing a thin film magnetic head slider having a media opposing surface which is adapted to be opposed to a recording medium, includes the steps of forming on a sacrificial layer, on a substrate, in such a manner that the sacrificial layer has a surface including steps for forming the media opposing surface having at least one rail, providing a slider material on the surface of the sacrificial layer, and removing the sacrificial layer and the substrate from the slider. A tracking mechanism or loading/unloading mechanism can be provided on the slider. An electrostatic actuator suitable for driving such a mechanism includes a stationary section having a plurality of teeth parallel to each other, a movable section having a plurality of teeth parallel to the teeth of the stationary section, a support spring for supporting the movable section so that the movable section can be moved with respect to the stationary section in the tooth width direction. A drive force generator moves the movable section to a position at which an electrostatic attraction force in the tooth width direction generated when a voltage is impressed between the teeth of the stationary section and those of the movable section, is balanced with the elastic force of the head suspension.
    • 一种用于制造具有适于与记录介质相对的介质相对表面的薄膜磁头滑块的方法,包括以下步骤:在牺牲层上在基板上形成牺牲层,使得牺牲层具有 表面包括用于形成具有至少一个导轨的介质相对表面的步骤,在牺牲层的表面上提供滑块材料,以及从滑块移除牺牲层和基板。 可以在滑块上提供跟踪机构或加载/卸载机构。 适于驱动这种机构的静电致动器包括具有彼此平行的多个齿的固定部分,具有平行于固定部分的齿的多个齿的可动部分,用于支撑可动部分的支撑弹簧,使得 可移动部分能够相对于固定部分在齿宽度方向上移动。 驱动力发生器将可动部移动到在固定部的齿与可动部的齿之间施加电压时产生的齿宽方向的静电吸引力的位置与所述静止部的齿的弹力相平衡的位置 头部悬挂。