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    • 4. 发明授权
    • Apparatus for measuring the flying height of magnetic heads using a
single-crystal sapphire disc
    • 使用单晶蓝宝石光盘测量磁头的飞行高度的装置
    • US5757492A
    • 1998-05-26
    • US636804
    • 1996-04-23
    • Teruaki TokutomiKyoichi MoriToshinori Sugiyama
    • Teruaki TokutomiKyoichi MoriToshinori Sugiyama
    • G01B11/14G01B9/02
    • G01B11/14
    • The improved for measuring the flying height of a magnetic head comprises a clear disk made of single-crystal sapphire, a spindle on which said disk is mounted for rotation, a mechanism for loading the magnetic head above one surface of said disk, measuring optics having a photoelectric converter that receives the light produced by interference of reflected light from said one surface of said disk with reflected light from the surface of said magnetic head as a result of application of light to said one surface through the other surface of said disk, and which converts the received interference light to an electric signal by means of said photoelectric converter, and a processing unit for calculating the flying height of said magnetic head in response to said electric signal from said measuring optics.
    • 用于测量磁头的飞行高度的改进包括由单晶蓝宝石制成的透明盘,其上安装所述盘旋转的主轴,用于将磁头装载在所述盘的一个表面上的机构,测量具有 光电转换器,其通过从所述磁盘的表面向所述一个表面施加光而通过来自所述磁盘的表面的反射光接收来自所述磁盘的所述一个表面的反射光的干扰产生的光;以及 其通过所述光电转换器将接收到的干涉光转换成电信号;以及处理单元,用于响应于来自所述测量光学器件的所述电信号计算所述磁头的飞行高度。
    • 5. 发明授权
    • Imprint apparatus
    • 印刷装置
    • US08021141B2
    • 2011-09-20
    • US12582732
    • 2009-10-21
    • Miho SasakiMasahiko OginoAkihiro MiyauchiNoritake ShizawaKyoichi Mori
    • Miho SasakiMasahiko OginoAkihiro MiyauchiNoritake ShizawaKyoichi Mori
    • B29C59/00B29C35/08
    • B29C59/022B29C2035/0827B29C2059/023
    • An imprint apparatus has a head unit with a fine structure. The head unit includes a fine imprint pattern layer including fine concavities and convexities, a resin layer on a face of the fine imprint pattern layer opposite to a face where the concavities and convexities are formed, a first pressurizing base member on a face of the resin layer opposite to a face contacting the fine imprint pattern layer, and a second pressurizing base member on a face of the first pressurizing base member opposite to a face contacting the resin layer. The resin layer has a modulus of elasticity smaller than that of the fine imprint pattern layer, and the first pressurizing base member has a modulus of elasticity smaller than that of the resin layer. A light source or a heat source may be further provided. The head unit may be light permeable. A replacement layer may be further provided for replacement.
    • 压印装置具有精细结构的头单元。 头单元包括精细的凹凸图案,在与形成凹凸面的面相反的微细图案层的表面上的树脂层,树脂的表面上的第一加压基材 在与第一加压基体的与接触树脂层的面相反的表面上的第二加压基底部件与接触精细压印图案层的面相反。 树脂层的弹性模量小于精细印刷图案层的弹性模量,第一加压基材的弹性模量小于树脂层的弹性模量。 可以进一步提供光源或热源。 头单元可以是透光的。 还可以提供更换层以进行更换。
    • 7. 发明授权
    • Inspection method and inspection apparatus of magnetic disk
    • 磁盘检查方法和检查装置
    • US08542453B2
    • 2013-09-24
    • US13345763
    • 2012-01-09
    • Kyoichi MoriMasanori Fukawa
    • Kyoichi MoriMasanori Fukawa
    • G11B5/02
    • G11B5/84G11B5/607
    • An inspection method and inspection apparatus of a magnetic disk are provided. A gliding test and a certification test are performed at the same time by simultaneously moving a head for the certification test and a head for the gliding test with a heat distortion utilization mechanism (a micro thermal actuator) along a recording surface of the magnetic disk during rotation at a predetermined revolving speed. A flying height of the head for the gliding test is determined according to a revolving speed of the disk. When the flying height of the head for gliding test is determined according to the revolving speed at the certification test, the head for the gliding test is adjusted to a desired height by adjusting a variation of the heat distortion utilization mechanism disposed on the head for the gliding test. The gliding and certification inspections can be performed at the same time.
    • 提供了磁盘的检查方法和检查装置。 通过在磁盘的记录表面上同时移动用于认证测试的头部和具有热变形利用机构(微型热致动器)的用于滑动测试的头部,同时执行滑动测试和认证测试 以预定的转速旋转。 用于滑行试验的头部的飞行高度根据盘的旋转速度来确定。 当用于滑行试验的头部的飞行高度根据认证测试的转速确定时,通过调节设置在头部上的热变形利用机构的变化,将滑动试验的头部调整到期望的高度 滑翔测试。 滑翔和认证检查可以同时进行。