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    • 1. 发明授权
    • Substrate for magnetic disk and magnetic disk
    • 基板用于磁盘和磁盘
    • US08734967B2
    • 2014-05-27
    • US13001984
    • 2009-06-29
    • Kouji KitsunaiHiroshi TakedaYukari Senda
    • Kouji KitsunaiHiroshi TakedaYukari Senda
    • G11B5/71G11B5/706G11B15/12
    • G11B5/7315C03C3/083G11B5/82G11B20/1816G11B2220/2516Y10T428/21
    • The shape and number of surface defects are controlled so that the occurrence of failure is suppressed in an HDD device in which a magnetic head with a very small flying height, such as a DFH head, is mounted.A magnetic disk substrate is characterized in that when laser light with a wavelength of 405 nm and a laser power of 25 mW is irradiated with a spot size of 5 μm and scattered light from the substrate is detected, the number of defects detected to have a size of 0.1 μm to not more than 0.3 μm is less than 50 per 24 cm2 and, with respect to the defects, there is no defect in which, in a bearing curve obtained by a bearing curve plot method using an atomic force microscope, a portion from an apex of the defect to 45% thereof is located in an area of defect height higher than a virtual line connecting from the apex of the defect to 45% thereof.
    • 控制表面缺陷的形状和数量,使得在安装有诸如DFH头的飞行高度非常小的磁头的HDD装置中,可以抑制故障的发生。 磁盘基板的特征在于,当以5μm的点尺寸照射波长为405nm,激光功率为25mW的激光,并检测到来自基板的散射光时,检测出具有 0.1μm〜0.3μm的尺寸小于每24cm 2的50个,对于缺陷,没有缺陷,在通过使用原子力显微镜的轴承曲线绘图法得到的轴承曲线中, 从缺陷的顶点到其45%的部分位于高于从缺陷的顶点连接到其缺陷的虚拟线的缺陷高度的45%的区域中。
    • 2. 发明申请
    • SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK
    • 磁盘和磁盘基板
    • US20110109994A1
    • 2011-05-12
    • US13001984
    • 2009-06-29
    • Kouji KitsunaiHiroshi TakedaYukari Senda
    • Kouji KitsunaiHiroshi TakedaYukari Senda
    • G11B5/82G11B5/706
    • G11B5/7315C03C3/083G11B5/82G11B20/1816G11B2220/2516Y10T428/21
    • The shape and number of surface defects are controlled so that the occurrence of failure is suppressed in an HDD device in which a magnetic head with a very small flying height, such as a DFH head, is mounted.A magnetic disk substrate is characterized in that when laser light with a wavelength of 405 nm and a laser power of 25 mW is irradiated with a spot size of 5 μm and scattered light from the substrate is detected, the number of defects detected to have a size of 0.1 μm to not more than 0.3 μm is less than 50 per 24 cm2 and, with respect to the defects, there is no defect in which, in a bearing curve obtained by a bearing curve plot method using an atomic force microscope, a portion from an apex of the defect to 45% thereof is located in an area of defect height higher than a virtual line connecting from the apex of the defect to 45% thereof.
    • 控制表面缺陷的形状和数量,使得在安装有诸如DFH头的飞行高度非常小的磁头的HDD装置中,可以抑制故障的发生。 磁盘基板的特征在于,当以5μm的点尺寸照射波长为405nm,激光功率为25mW的激光,并检测到来自基板的散射光时,检测出具有 0.1μm〜0.3μm的尺寸小于每24cm 2的50个,对于缺陷,没有缺陷,在通过使用原子力显微镜的轴承曲线绘图法得到的轴承曲线中, 从缺陷的顶点到其45%的部分位于高于从缺陷的顶点连接到其缺陷的虚拟线的缺陷高度的45%的区域中。
    • 8. 发明授权
    • Liquid crystal display device and driving method thereof
    • 液晶显示装置及其驱动方法
    • US07515131B2
    • 2009-04-07
    • US11281619
    • 2005-11-18
    • Hiroshi Takeda
    • Hiroshi Takeda
    • G09G3/36
    • G09G3/3406G09G2300/023G09G2310/0221G09G2310/024
    • It is a liquid crystal display device which can display simultaneously information which is different in the front and rear sides. It has a single liquid crystal panel, a lighting unit which is arranged at both-sides and comprised with the light source, and a control circuit which carries out drive controlling of these. This control circuit controls lighting on and off the light source of the lighting unit and controls a screen display of the liquid crystal panel, and realize the display which is different to both sides of the liquid crystal panel. Thereby, when the screen of the liquid crystal panel is simultaneously seen from both sides, an independent different image can be recognized visually.
    • 它是能够同时显示前后不同的信息的液晶显示装置。 它具有单个液晶面板,布置在两侧并由光源组成的照明单元,以及执行这些驱动控制的控制电路。 该控制电路控制照明单元的光源的照明和照明,并控制液晶面板的屏幕显示,并实现与液晶面板的两侧不同的显示。 因此,当从两侧同时看到液晶面板的屏幕时,可以目视识别独立的不同图像。