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    • 36. 发明专利
    • Monitoring method of beam profile, and monitor for the same
    • 梁型材的监测方法及其监测
    • JP2014081320A
    • 2014-05-08
    • JP2012230665
    • 2012-10-18
    • Japan Atomic Energy Agency独立行政法人日本原子力研究開発機構
    • OGIWARA TOKUO
    • G01T1/29
    • PROBLEM TO BE SOLVED: To provide a monitoring method of a beam profile capable of measuring the profile of a beam in an accelerator or nuclear fusion reactor in a nondestructive manner, at a high speed, and easily, and to provide a monitor for the method.SOLUTION: The present invention provides a method of measuring the profile of a beam from the light emission or ionized ions generated by causing the beam in an accelerator or nuclear fusion reactor to collide with, as a target, a sheet-like gas beam made of rarefied gas, and provides a monitor for the method. The sheet-like gas beam is generated at a sheet thickness of 10 mm or less by making the rarefied gas pass through an elliptical capillary. The elliptical capillary is formed of at least two flat plates having a clearance with a dimension b and lengths of L1 and a in the flow direction of the rarefied gas. The capillary includes the clearance of a slit for which L1/b is 50 or more and a/b exceeds 1, or includes a length of L2 and a cross section having a long side of a length x and a short side of a length y. Here, L2/y is 50 or more.
    • 要解决的问题:提供一种能够以非破坏性的方式高速且容易地测量加速器或核聚变反应堆中的光束轮廓的光束轮廓的监视方法,并且提供方法的监视器 解决方案:本发明提供了一种通过使加速器或核聚变反应堆中的光束作为目标与作为目标的片状气体束相撞而产生的来自发光或电离离子的光束的轮廓测量的方法 的稀有气体,并提供了一种监测方法。 通过使稀薄气体通过椭圆形毛细管,片状气体束以10mm以下的板厚生成。 椭圆形毛细管由至少两个具有尺寸b的间隙和稀薄气体的流动方向上的长度L1和a的平板形成。 毛细管包括L1 / b为50以上且a / b超过1的狭缝的间隙,或者包括长度为L2的长度和具有长度x的长边和长度为y的短边的截面 。 这里,L2 / y为50以上。
    • 37. 发明专利
    • Heat resistant magnetic sensor
    • 耐热磁传感器
    • JP2014081293A
    • 2014-05-08
    • JP2012229703
    • 2012-10-17
    • Japan Atomic Energy Agency独立行政法人日本原子力研究開発機構Nippon Steel & Sumikin Technology Co Ltd日鉄住金テクノロジー株式会社
    • TAKAYA SHIGERUARAKAWA TAKASHIKEYAKIDA OSAMU
    • G01R33/04
    • PROBLEM TO BE SOLVED: To realize a magnetic sensor which can be miniaturized, and can measure an intensity of a magnetic field in a high temperature and radiation environment, while suppressing increase of consumption of current.SOLUTION: A magnetic core 1 is formed of a Co-Fe based soft magnetic material having a Curie temperature of 600°C or more, is formed into a rectangular loop shape, and has a narrowed section 4 at one of the long sides. An excitation coil 3 is wound around a long side where the narrowed section is not formed, and a detection coil 2 is wound around a side except the long side having the narrowed section. An external magnetic field intensity exerting to a long side direction of the magnetic core is measured by evaluating time interval difference between time intervals of a positive peak to a negative peak and a negative peak to a positive peak which are output voltage output from the detection coil, or by evaluating a ratio of the time interval difference and an excitation period.
    • 要解决的问题:实现可以小型化的磁传感器,并且可以在抑制电流消耗的增加的同时,在高温和辐射环境中测量磁场的强度。解决方案:磁芯1由 居里温度为600℃以上的Co-Fe系软磁材料形成为矩形环状,并且在长边的一侧具有变窄部4。 励磁线圈3卷绕在没有形成狭窄部分的长边上,并且检测线圈2缠绕在具有变窄部分的长边以外的一侧。 通过评估从检测线圈输出的输出电压的正峰值与负峰值的正时峰值与正峰值的时间间隔之间的时间间隔差来测量施加到磁芯长边方向的外部磁场强度 ,或通过评估时间间隔差和激发周期的比率。