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    • 84. 发明授权
    • Nickel powder and conductive paste
    • 镍粉和导电胶
    • US06517745B2
    • 2003-02-11
    • US09793133
    • 2001-02-27
    • Takao HayashiYasuhide Yamaguchi
    • Takao HayashiYasuhide Yamaguchi
    • H01B102
    • H01G4/0085B22F1/0014B22F9/24B22F9/28Y10T428/24917
    • Nickel powder herein disclosed is characterized in that it has an average particle size as determined through the observation by a scanning electron microscope (SEM) ranges from 0.1 to 1 &mgr;m and that the D5 0 value as determined by laser diffraction-scattering particle size distribution analysis and the average particle size as determined by SEM observation satisfy the following relation represented by Formula (1): 1≦[(D5 0 value)/(average particle size as determined by SEM observation)]≦1.8  (1) The nickel powder is highly dispersible in an organic vehicle during the preparation of a conductive paste because it has low agglomerate properties and it is in an approximately monodispersed condition and the nickel powder is particularly suitable in the preparation of a conductive paste for use in making a thin internal electrode of a multilayer ceramic capacitor, which is free of any projection, because of it sharp particle distribution.
    • 本文公开的镍粉的特征在于,其具有通过扫描电子显微镜(SEM)观察确定的平均粒径为0.1至1μm,并且通过激光衍射 - 散射粒度分布分析测定的D5 0值 通过SEM观察确定的平均粒径满足式(1)所示的关系:由于导电性糊剂的凝聚性低,因此在有机载体中高度分散,因此, 单分散状态和镍粉特别适用于制备导电浆料,用于制造多层陶瓷电容器的薄内部电极,其由于其尖锐的颗粒分布而没有任何突出。
    • 85. 发明授权
    • Press machine
    • 压机
    • US06470796B2
    • 2002-10-29
    • US09731727
    • 2000-12-08
    • Takao Hayashi
    • Takao Hayashi
    • B30B1526
    • G05B19/40937B23Q15/22Y02P90/265Y10T83/538Y10T83/541Y10T83/543
    • A plurality of detecting means 37, 38, 39, 40 are installed to detect a plurality of type specifying factors of work sheets W. A work sheet type identifying means 41 is installed to identify the types of the work sheets based on the factors detected by the detecting means 37˜40. A parameter selection means 42 is installed to select control parameters in accordance with the work sheet type identified by the work sheet type identifying means 41. A process control means 32 controls a processing means 3 based on the control parameters thus selected. The parameter selection means 42 is composed of a parameter memory means 44 and a parameter selection section 43. Said control parameters include a speed pattern of the ram, a hover height of the ram, a press torque in form-processing, and a number of tons for punching.
    • 安装多个检测装置37,38,39,40以检测工作片W的多种类型指定因素。安装工作片类型识别装置41,以基于由 检测装置37〜40。 安装参数选择装置42以根据由工作片类型识别装置41识别的工作表类型来选择控制参数。过程控制装置32基于这样选择的控制参数来控制处理装置3。 参数选择装置42由参数存储装置44和参数选择部43组成。所述控制参数包括柱塞的速度模式,压头的悬停高度,成形处理中的压力扭矩和多个 吨打孔。
    • 86. 发明授权
    • Optical head
    • 光头
    • US06275463B1
    • 2001-08-14
    • US09064847
    • 1998-04-23
    • Takayuki NagataAkihiro AraiToru NakamuraTakao Hayashi
    • Takayuki NagataAkihiro AraiToru NakamuraTakao Hayashi
    • G11B700
    • G11B7/1381G11B7/0903G11B7/095G11B7/13
    • An optical head comprises a photodetector 8 having divided photosensitive areas to detect light 13 reflected from an optical disk 7, means 10, 11, 12 for obtaining track error signal by operating signals from the photosensitive areas. The photodetector 8 has a first division line 9a parallel to an information track on the optical disk and second and third division lines 9b, 9c perpendicular to the first division line 9f and symmetrical to the optical axis. Further, a light-shielding area 8i is provided for shielding a part of the reflected light between the division lines 9b and 9c. The signals are operated to reduce offset of the tracking error signal due to a shift of object lens and a tilt of the optical disk. Accordingly, the optical head of the present invention has a small offset of tracking error signal with a simple structure.
    • 光头包括光电检测器8,光电检测器8具有分离的感光区域,以检测从光盘7反射的光13,用于通过操作来自感光区域的信号来获得轨道误差信号的装置10,11,12。 光电检测器8具有与光盘上的信息轨道平行的第一分割线9a和与第一分割线9f垂直并与光轴对称的第二和第三分割线9b,9c。 此外,设置遮光区域8i以遮蔽分割线9b和9c之间的一部分反射光。 操作信号以减少由于物镜的偏移和光盘倾斜引起的跟踪误差信号的偏移。 因此,本发明的光头具有简单结构的跟踪误差信号的小偏移。