公开(公告)号：US20160109478A1

公开(公告)日：2016-04-21

申请号：US14777667

申请日：2014-03-28

Applicant: AKITA UNIVERSITY ,  OSAKA UNIVERSITY

Inventor： Hitoshi SAITO ,  Satoru YOSHIMURA ,  Yukinori KINOSHITA ,  Hikaru NOMURA ,  Ryoichi NAKATANI

IPC: G01Q60/52

CPC classification number: G01Q60/52 ,  G01Q60/50 ,  G01Q60/54 ,  G01Q60/56

Abstract: A magnetic field measuring device including: a vibrational probe unit having a probe that includes one or more material(s) whose intensity of magnetization is proportionate to an external magnetic field, a mechanical vibration source for the probe; a vibration detector detecting a vibration frequency and amplitude of the probe; an alternating-current magnetic field generator applying to the probe an alternating-current magnetic field; a direct-current external magnetic field generator applying a direct-current external magnetic field to the probe; a frequency modulation detector detecting frequency modulation occurring to the mechanical vibration of the probe; a direct-current external magnetic field controller adjusting the intensity of the direct-current external magnetic field applied to the probe; and a direct-current magnetic field determination unit determining a value of the direct-current magnetic field originating from a specimen.

Abstract translation: 一种磁场测量装置，包括：振动探针单元，其具有探针，所述探针包括其强度与外部磁场成比例的一种或多种材料，所述探针的机械振动源; 检测探头的振动频率和振幅的振动检测器; 交流磁场发生器，向探头施加交流磁场; 将直流外部磁场施加到探针的直流外部磁场发生器; 检测对所述探针的机械振动发生的频率调制的频率调制检测器; 直流外部磁场控制器调节施加到探头的直流外部磁场的强度; 以及直流磁场确定单元，确定源自试样的直流磁场的值。

公开(公告)号：US20150323562A1

公开(公告)日：2015-11-12

申请号：US14347407

申请日：2012-09-25

Applicant: Akita University

Inventor： Hitoshi SAITO ,  Satoru YOSHIMURA

IPC: G01Q60/54 ,  G01Q30/04

CPC classification number: G01Q30/04 ,  G01Q60/54 ,  G01R33/0385

Abstract: A magnetic profile measuring device which scans on a surface of a specimen by a magnetized probe on a tip of a driven cantilever, detects vibration of the cantilever, and generates a magnetic field distribution image of the area, the device including: the cantilever having the probe equipped on tip thereof; a driver driving the cantilever; an alternating-current magnetic field generator periodically reversing the magnetic polarity of the probe; a vibration sensor detecting vibration of the probe; a demodulator demodulating from a detection signal of the vibration sensor a magnetic signal corresponding to an alternating magnetic force between the probe and the specimen; a scanning mechanism; a data storage storing an initial data for each coordinate of the scanning area; a modified data generator generating a plurality of data by modifying the phase of the initial data; and an image display device.

Abstract translation: 磁性剖面测量装置，其通过在驱动悬臂的尖端上的磁化探针在试样的表面上扫描，检测悬臂的振动，并产生该区域的磁场分布图像，该装置包括：悬臂具有 探针装在其顶端; 驾驶悬臂的司机 交流磁场发生器周期性地反转探针的磁极性; 检测探头的振动的振动传感器; 解调器，根据所述振动传感器的检测信号，对应于所述探针与所述试样之间的交变磁力的磁信号进行解调; 扫描机制; 存储扫描区域的每个坐标的初始数据的数据存储器; 修改的数据生成器，通过修改初始数据的相位来生成多个数据; 和图像显示装置。