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    • 92. 发明授权
    • Glass substrate for magnetic disk and magnetic disk apparatus
    • 用于磁盘和磁盘设备的玻璃基板
    • US07985494B2
    • 2011-07-26
    • US12275576
    • 2008-11-21
    • Nobuaki OritaYasuhiro Naka
    • Nobuaki OritaYasuhiro Naka
    • G11B5/84G11B5/706
    • G11B5/7315C03C19/00G11B5/82
    • A glass substrate for a magnetic disk satisfies Ra1≦0.8 [nm], 0 [nm]≦Ra1−Ra2≦0.2 [nm], Wa1≦0.6 [nm], and 0 [nm]≦Wa2−Wa1≦0.2 [nm]. Ra1 is an average surface roughness of a first annular area between 1 mm and 3 mm outward from an inner periphery of a main surface of the glass substrate, Ra2 is an average surface roughness of a second annular area between 1 mm and 3 mm inward from an outer periphery of the main surface, Wa1 is an average waviness of the first area in a circumferential direction of the glass substrate having a cycle of 300 μm to 5 mm, and Wa2 is an average waviness of the second area in the circumferential direction having a cycle of 300 μm to 5 mm.
    • 用于磁盘的玻璃基板满足Ra1≦̸ 0.8 [nm],0 [nm]和nlE; Ra1-Ra2≦̸ 0.2 [nm],Wa1≦̸ 0.6 [nm]和0 [nm]≦̸ Wa2-Wa1& nm]。 Ra1是从玻璃基板的主表面的内周向外侧的1mm〜3mm之间的第一环状区域的平均表面粗糙度,Ra2是从1mm到3mm之间的第二环状区域的平均表面粗糙度 主表面的外周,Wa1是具有300μm〜5mm的周期的玻璃基板的周向的第一区域的平均波纹度,Wa2是周向的第二区域的平均波纹度,具有 一个300μm到5 mm的循环。
    • 94. 发明申请
    • FLUID CONVEYING TUBE AND FLUID LEAKAGE DETECTING SYSTEM
    • 流体输送管和流体泄漏检测系统
    • US20110005303A1
    • 2011-01-13
    • US12922511
    • 2009-03-09
    • Masaki IzumoYasuhiro NakaKenichi IshiiToru Kagoura
    • Masaki IzumoYasuhiro NakaKenichi IshiiToru Kagoura
    • G01M3/28G02B6/00
    • G01M3/002F16L59/141F16L2201/30G01L11/025G01M3/047G01M3/2815G02B6/4457G02B6/4494
    • Provided are a fluid conveying tube and a fluid leakage detecting system which can convey a cryogenic fluid such as LNG and which can quickly and reliably detect leakage of the fluid within the tube and the position of the leakage. An optical fiber 17 is continuously wound over the entire length of a flexible tube 1a. Leakage information detected by an optical fiber temperature sensor 21 is transmitted via a terminal 25a to an externally provided temperature measurement device. Meanwhile, when similar leakage occurs in the vicinity of a coupling section 3, the gas pressure inside the heat insulating layer 13a or the like increases due to the pressure of LNG within a corrugated tube 11 or a pressure generated as a result of evaporation of LNG. When the pressure inside the heat insulating layer 13a increases, information representing a change in the gas pressure is transmitted to a terminal 25b via a hollow pipe 27. A tube or the like is externally connected to the terminal 25b, and is connected to a pressure meter or like.
    • 提供了一种能够输送诸如LNG的低温流体并且可以快速且可靠地检测管内的流体泄漏和泄漏位置的流体输送管和流体泄漏检测系统。 光纤17连续缠绕在柔性管1a的整个长度上。 由光纤温度传感器21检测到的泄漏信息经由端子25a传送到外部设置的温度测量装置。 同时,当耦合部分3附近发生类似的泄漏时,隔热层13a等内部的气体压力由于波纹管11内的LNG的压力或由于LNG的蒸发产生的压力而增加 。 当绝热层13a内的压力增加时,表示气体压力变化的信息经由中空管27传递到端子25b。管等外部连接到端子25b,并且连接到压力 米或类似。
    • 99. 发明授权
    • Reed switch device
    • 簧片开关装置
    • US4837537A
    • 1989-06-06
    • US151595
    • 1988-02-02
    • Tsutomu NakadaYasuhiro Naka
    • Tsutomu NakadaYasuhiro Naka
    • H01H51/28H01H36/00
    • H01H36/0013
    • A reed switch device comprises a pair of magnets such as bar magnets or ring-shaped magnets which are arranged in inverted polar orientations such that they produce magnetic fields acting in opposite directions, and a reed switch which is movable relative to the pair of magnets such that the longitudinal axis of the reed switch is maintained substantially in parallel with the axes of magnetization of the magnets. The relative position between the reed switch and the magnets is detected through activation of the reed switch between on and off states caused in response to a change in the relative position between the pair of magnets and the reed switch.
    • 簧片开关装置包括一对磁体,例如棒状磁体或环形磁体,其以反向极性取向布置,使得它们产生沿相反方向作用的磁场,以及可相对于该对磁体移动的舌簧开关 舌簧开关的纵向轴线基本保持与磁体的磁化轴线平行。 舌簧开关和磁铁之间的相对位置通过响应于一对磁体和舌簧开关之间的相对位置的变化引起的导通和关断状态的激励而被检测。