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    • 3. 发明申请
    • DISK DRIVE DEVICE FOR ROTATING A DISK
    • 用于旋转盘的磁盘驱动器件
    • US20100231068A1
    • 2010-09-16
    • US12689206
    • 2010-01-18
    • Hiroki YamazakiHiroshi Muramatsu
    • Hiroki YamazakiHiroshi Muramatsu
    • H02K11/00
    • H02K3/52G11B19/2036H02K3/50H02K3/522H02K5/225
    • In the brushless motor, a magnetic recording disk is to be mounted on a hub. A base plate rotatably supports the hub on the upper surface. A laminated core is fixed on the upper surface of the base plate and has a ring portion and a plurality of teeth that extend radially from the ring portion. Coils are wound around the plurality of teeth. A cylindrical magnet is fixed to the hub and is magnetized for driving with a plurality of poles along the circumferential direction and is arranged to radially face the plurality of teeth of the laminated core. A wire of one end of one of the coils is drawn out to the bottom surface of the base plate through a hole arranged on the base plate. The wire is connected to a driving line for supplying a current to the coils at a position other than the position of the hole on the base plate. The hole of the base plate is plugged with a resin.
    • 在无刷电动机中,将磁记录盘安装在轮毂上。 基板可旋转地支撑在上表面上的轮毂。 层叠铁芯固定在基板的上表面上,并且具有从环部径向延伸的环部和多个齿。 线圈缠绕在多个牙齿周围。 圆柱形磁体固定在轮毂上,并沿圆周方向被磁化用于多个极的驱动,并且被布置为径向地面对层叠铁心的多个齿。 一个线圈的一端的线通过布置在基板上的孔而被拉出到基板的底表面。 导线连接到用于在除了基板上的孔的位置之外的位置向线圈提供电流的驱动线。 底板的孔用树脂堵塞。
    • 6. 发明授权
    • Scanning near-field optic/atomic-force microscope with observing
function in liquid
    • 用液体观察功能扫描近场光学/原子力显微镜
    • US5821409A
    • 1998-10-13
    • US525348
    • 1995-09-07
    • Katsunori HonmaHiroshi MuramatsuNorio Chiba
    • Katsunori HonmaHiroshi MuramatsuNorio Chiba
    • G01B21/30G01B7/34G01B11/30G01N37/00G01Q30/12G01Q30/14G01Q30/20G01Q60/06G01Q60/18G01Q60/24G01Q60/32G01Q80/00G02B21/00H01J37/28G01B5/28H01J3/14
    • G01Q20/02B82Y20/00B82Y35/00G01Q30/14G01Q60/06G01Q60/22Y10S977/862
    • A scanning near-field optic/atomic-force microscope comprises a holder for holding a sample immersed in a liquid, and a plate disposed over the holder for covering a surface of the liquid and for transmitting therethrough a laser light. A probe has an optical propagation body terminating in a distal end, and a light reflecting element disposed thereon, and the probe is immersed in the liquid. A light source emits a light which is introduced into the optical propagation body of the probe, which guides the light through the probe and out the distal end thereof to irradiate the sample. A detecting device detects information from the light irradiated on the sample and converts the information to an electric signal. A laser source irradiates the light reflecting element of the probe with a laser light for detecting a bending amount of the probe resulting from an interaction between the sample and the probe. An angle adjusting mechanism adjusts an optical axis of the laser light transmitted through the plate. A photoelectric conversion device receives the laser light reflected from the light reflecting element and converts the reflected light into an electric signal. A moving mechanism moves the sample relative to the probe, and a distance control device controls a distance between the surface of the sample and the distal end of the probe.
    • 扫描近场光学/原子力显微镜包括用于保持浸没在液体中的样品的保持器和设置在保持器上的用于覆盖液体表面并用于透射激光的板。 探针具有终端的光传播体,设置在其上的光反射元件,探针浸入液体中。 光源发射被引入到探针的光传播体中的光,该光引导光穿过探针并从其远端引出照射样品。 检测装置从照射在样本上的光检测信息,并将该信息转换为电信号。 激光源用激光照射探针的光反射元件,用于检测由样品和探针之间的相互作用产生的探针的弯曲量。 角度调节机构调节透过板的激光的光轴。 光电转换装置接收从光反射元件反射的激光,并将反射光转换为电信号。 移动机构使样本相对于探针移动,并且距离控制装置控制样品表面与探针的远端之间的距离。
    • 7. 发明授权
    • Electrochemical measurement system
    • 电化学测量系统
    • US5334303A
    • 1994-08-02
    • US851752
    • 1992-03-16
    • Hiroshi MuramatsuXuanjing Ye
    • Hiroshi MuramatsuXuanjing Ye
    • G01N11/16G01N27/00G01N27/42G01N27/26H01L41/00
    • G01N29/036G01N11/16G01N27/42G01N2291/0256
    • A quartz crystal resonator is utilized to effect evaluation of the viscoelastic characteristic of a film deposited on an electrode by an electrochemical reaction. The quartz crystal resonator is connected to a resonator characteristic measurement unit comprised of an oscillating circuit, a frequency counter, and an amplitude level meter. An electrochemical measurement unit in the form of a potentiostat is connected to a working electrode which comprises one of the electrodes of the resonator, to a reference electrode and to a counter electrode. The frequency counter, the amplitude level meter and the potentiostat are connected to a CPU. The resonator, reference electrode and counter electrode are all immersed in an electrolyte solution in an electrochemical cell. In another embodiment, the system utilizes a quartz crystal resonator precoated with a macromolecule sensitive film for analyzing diffusion and viscosity variation in the film due to migration of electrochemically active substances relative to the film during the course of the electrochemical reaction.
    • 使用石英晶体谐振器来通过电化学反应来评估沉积在电极上的膜的粘弹性特性。 石英晶体谐振器连接到由振荡电路,频率计数器和振幅电平计构成的谐振器特性测量单元。 将恒电位仪形式的电化学测量单元连接到工作电极,工作电极包括谐振器的一个电极,参考电极和对电极。 频率计数器,振幅电平表和恒电位仪连接到CPU。 谐振器,参比电极和对电极均浸入电化学电池中的电解质溶液中。 在另一个实施方案中,该系统利用预涂覆有大分子敏感膜的石英晶体谐振器,用于分析由于电化学活性物质相对于电化学反应过程中的膜的迁移而导致的膜中的扩散和粘度变化。
    • 10. 发明授权
    • Instrument for chemical measurement
    • 化学测量仪器
    • US6111342A
    • 2000-08-29
    • US209638
    • 1994-03-10
    • Hiroshi MuramatsuTatsuaki Ataka
    • Hiroshi MuramatsuTatsuaki Ataka
    • G01N5/02G01N11/00G01N11/16G01N27/00G01N27/04G01N27/403G01N27/416H01L41/08
    • G01N29/036G01N2291/0256
    • A quartz oscillator for detecting a physicochemical change in a substance to be measured comprises a first electrode having at least two separate electrode portions for contact with the substance to be measured, and a second electrode. A chemical measuring instrument comprises a piezoelectric characteristic-measuring circuit having an output signal line connected to capacitors connected in parallel to the separate electrode portions of the first electrode of the quartz oscillator. An input signal line of the piezoelectric characteristic-measuring circuit is connected to the second electrode of the quartz oscillator. A voltage application circuit is connected to one of the separate electrode portions of the first electrode for applying a voltage between the separate electrode portions. An electrical current-measuring circuit is connected to the other of the separate electrode portions which is electrically grounded. The resonant characteristics of the quartz oscillator and the conductivity on the surfaces of the electrodes can be simultaneously and effectively measured.
    • 用于检测待测物质的物理化学变化的石英振荡器包括具有至少两个用于与被测物质接触的分离电极部分的第一电极和第二电极。 一种化学测量仪器包括压电特性测量电路,其具有连接到与石英振荡器的第一电极的分离电极部分并联连接的电容器的输出信号线。 压电特性测量电路的输入信号线连接到石英振荡器的第二电极。 电压施加电路连接到第一电极的单独电极部分之一,用于在分离的电极部分之间施加电压。 电流测量电路连接到电接地的单独电极部分中的另一个。 可以同时有效地测量石英振子的谐振特性和电极表面的导电性。