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    • 2. 发明申请
    • APPARATUS AND METHOD OF OBTAINING FIELD BY MEASUREMENT
    • 设备和方法通过测量领域获得
    • US20100219819A1
    • 2010-09-02
    • US12594050
    • 2008-03-28
    • Kenjiro KimuraKei KobayashiHirofumi YamadaKazumi MatsushigeTakashi HoriuchiNobuo SatohAkifumi Nakai
    • Kenjiro KimuraKei KobayashiHirofumi YamadaKazumi MatsushigeTakashi HoriuchiNobuo SatohAkifumi Nakai
    • G01R33/02G01Q60/08
    • G01R33/10G01Q30/04G01Q60/50G01R33/0206G01R33/0385
    • Above the sample (9) having magnetic domains, a distribution of magnetic force in a measurement plane (91) is obtained as a magnetic force image with use of a MFM, an auxiliary magnetic force image is obtained by performing measurement in a measurement plane (92) away from the measurement plane (91) by a minute distance d, and a difference between them is divided by the minute distance d to obtain a magnetic force gradient image. The magnetic force image and the auxiliary magnetic force image are Fourier transformed and substituted into a three-dimensional field obtaining equation derived from a general solution of the Laplace equation, and the three-dimensional field indicating the magnetic force is obtained with high accuracy. A state of the magnetic domains at the surface (93) of the sample (9) can be obtained with high accuracy by obtaining the three-dimensional field. The three-dimensional field obtaining method using the three-dimensional field obtaining equation can be used for various fields of magnetic, electric, temperature and gravity potential and so on satisfying the Laplace equation. The obtaining of the three-dimensional field can be extended to obtaining of an n-dimensional field having high-dimension.
    • 在具有磁畴的样品(9)上方,通过使用MFM获得在测量平面(91)中的磁力分布作为磁力图像,通过在测量平面中进行测量获得辅助磁力图像( 92)远离测量平面(91)微小的距离d,并且它们之间的差除以微小距离d以获得磁力梯度图像。 将磁力图像和辅助磁力图像进行傅里叶变换并代入由拉普拉斯方程的一般解导出的三维场获得方程,并且以高精度获得表示磁力的三维场。 通过获得三维场,可以高精度地获得样品(9)的表面(93)处的磁畴的状态。 使用三维场获得方程的三维场获取方法可以用于满足拉普拉斯方程的磁,电,温度和重力等各种领域。 可以将三维场的获得扩展到获得具有高维度的n维场。
    • 5. 发明授权
    • Scan device for microscope measurement instrument
    • 扫描仪用于显微镜测量仪器
    • US08796654B2
    • 2014-08-05
    • US13056293
    • 2008-07-31
    • Masahiro OhtaNoriaki OyabuKenjiro KimuraShinichiro IdoKei KobayashiHirofumi YamadaKazumi Matsushige
    • Masahiro OhtaNoriaki OyabuKenjiro KimuraShinichiro IdoKei KobayashiHirofumi YamadaKazumi Matsushige
    • G01N21/86G01V8/00G01N35/10G01Q10/06H01J37/20H01J37/26H01J37/28B82Y35/00
    • G01N35/1011B82Y35/00G01Q10/065H01J37/20H01J37/265H01J37/28H01J2237/20228
    • A probe needle is successively moved to a plurality of measurement points set in a measurement region on a sample so as to measure a z-displacement amount. An excitation control unit feedback-controls a piezoelectric element so that a vibration amplitude of a cantilever is constant in accordance with the detection output by a displacement detection unit. Moreover, a vertical displacement control unit feedback-controls a vertical position scan unit so as to obtain a constant distance between the probe needle and the sample according to a frequency shift by a frequency detection unit. When changes of outputs of two feedback loops at a certain measurement point are both within a predetermined range, a main control unit issues an instruction to a horizontal position control unit to rapidly move to the next measurement point. As a result, it is possible to adaptively decide such a measurement time that both of the two feedback controls at respective measurement points are established. This eliminates an unnecessary measurement time, which in turn reduces the time required for creating one convex/concave image as compared to the conventional technique and improves the throughput.
    • 将探针连续地移动到设置在样本上的测量区域中的多个测量点,以测量z位移量。 激励控制单元根据位移检测单元的检测输出反馈控制压电元件,使得悬臂的振动振幅恒定。 此外,垂直位移控制单元反馈控制垂直位置扫描单元,以便通过频率检测单元根据频移获得探针和样本之间的恒定距离。 当在某个测量点处的两个反馈回路的输出的变化都在预定范围内时,主控制单元向水平位置控制单元发出指令以快速移动到下一个测量点。 结果,可以自适应地确定建立各测量点的两个反馈控制两者的测量时间。 这消除了不必要的测量时间,这又减少了与传统技术相比创建一个凸/凹图像所需的时间并且提高了吞吐量。
    • 6. 发明申请
    • Scan Device
    • 扫描设备
    • US20110261352A1
    • 2011-10-27
    • US13056293
    • 2008-07-31
    • Masahiro OhtaNoriaki OyabuKenjiro KimuraShinichiro IdoKei KobayashiHirofumi YamadaKazumi Matsushige
    • Masahiro OhtaNoriaki OyabuKenjiro KimuraShinichiro IdoKei KobayashiHirofumi YamadaKazumi Matsushige
    • G01N21/01
    • G01N35/1011B82Y35/00G01Q10/065H01J37/20H01J37/265H01J37/28H01J2237/20228
    • A probe needle is successively moved to a plurality of measurement points set in a measurement region on a sample so as to measure a z-displacement amount. An excitation control unit feedback-controls a piezoelectric element so that a vibration amplitude of a cantilever is constant in accordance with the detection output by a displacement detection unit. Moreover, a vertical displacement control unit feedback-controls a vertical position scan unit so as to obtain a constant distance between the probe needle and the sample according to a frequency shift by a frequency detection unit. When changes of outputs of two feedback loops at a certain measurement point are both within a predetermined range, a main control unit issues an instruction to a horizontal position control unit to rapidly move to the next measurement point. As a result, it is possible to adaptively decide such a measurement time that both of the two feedback controls at respective measurement points are established. This eliminates an unnecessary measurement time, which in turn reduces the time required for creating one convex/concave image as compared to the conventional technique and improves the throughput.
    • 将探针连续地移动到设置在样本上的测量区域中的多个测量点,以测量z位移量。 激励控制单元根据位移检测单元的检测输出反馈控制压电元件,使得悬臂的振动振幅恒定。 此外,垂直位移控制单元反馈控制垂直位置扫描单元,以便通过频率检测单元根据频移获得探针和样本之间的恒定距离。 当在某个测量点处的两个反馈回路的输出的变化都在预定范围内时,主控制单元向水平位置控制单元发出指令以快速移动到下一个测量点。 结果,可以自适应地确定建立各测量点的两个反馈控制两者的测量时间。 这消除了不必要的测量时间,这又减少了与传统技术相比创建一个凸/凹图像所需的时间并且提高了吞吐量。