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    • 3. 发明申请
    • SCANNING ION CONDUCTANCE MICROSCOPY
    • 扫描离子导管显微镜
    • US20170016933A1
    • 2017-01-19
    • US15124908
    • 2015-03-10
    • OPENIOLABS LTD
    • Andrew James Richardson
    • G01Q60/44G01Q10/02G01Q60/02G01Q10/06G01Q60/60
    • G01Q60/44G01Q10/02G01Q10/06G01Q60/02G01Q60/60
    • A method for interrogating a surface of a sample bathed in electrolyte solution using SICM, comprising: controlling the potential between first and second electrodes bathed in the electrolyte solution to induce an ion current in the electrolyte solution, a submerged portion of the first electrode being contained within a micropipette and the second electrode being external to the micropipette; recording the ion current whilst controlling the micropipette to move with respect to a stage supporting the sample; and determining, from the ion current and calibration data, the surface height profile of the sample. Said potential can be controlled according to a spread spectrum modulated signal. Said micropipette motion can be according to an AC mode pattern having a modulation frequency greater than a resonant frequency of an assembly of the micropipette, first electrode and a first piezoelectric actuator configured to control z-axis motion of said micropipette.
    • 一种用于询问使用SICM浸在电解质溶液中的样品的表面的方法,包括:控制浸在电解质溶液中的第一和第二电极之间的电位,以引起电解质溶液中的离子电流,第一电极的浸没部分被包含 并且所述第二电极位于所述微量移液管外部; 记录离子电流同时控制微量移液器相对于支撑样品的载物台移动; 以及从离子电流和校准数据确定样品的表面高度分布。 可以根据扩频调制信号来控制所述电位。 所述微量移液管运动可以根据具有大于微量移液管组件的调谐频率的调制频率的AC模式图案,第一电极和被配置为控制所述微量移液管的z轴运动的第一压电致动器。
    • 5. 发明授权
    • Scanning probe microscope and a measuring method using the same
    • 扫描探针显微镜及其测量方法
    • US08353060B2
    • 2013-01-08
    • US12828590
    • 2010-07-01
    • Masahiro WatanabeShuichi BabaToshihiko Nakata
    • Masahiro WatanabeShuichi BabaToshihiko Nakata
    • G01L9/00G01L9/08
    • G01Q10/02G01Q10/04
    • It is difficult for a scanning probe microscope according to the conventional technology to operate a probe for scanning and positioning in a wide range and for high-precision scanning in a narrow range. A scanning probe microscope according to the invention uses probe driving actuators for coarse adjustment and fine adjustment. For scanning and positioning in a wide range, the coarse adjustment actuator is switched to fast responsiveness. For scanning in a narrow range, the coarse adjustment actuator is switched to slow responsiveness. Instead, positional noise is reduced and the fine adjustment actuator is mainly used for scanning in a narrow range. The probe is capable of not only scanning and positioning in a wide range but also high-precision scanning in a narrow range.
    • 根据传统技术的扫描探针显微镜难以在宽范围内操作用于扫描和定位的探针并且在窄范围内进行高精度扫描。 根据本发明的扫描探针显微镜使用探头驱动致动器进行粗调和微调。 对于广泛的扫描和定位,粗调执行器切换到快速响应。 为了在窄范围内进行扫描,粗调调节执行器被切换为响应速度慢。 相反,位置噪声减小,微调致动器主要用于窄范围的扫描。 该探头不仅可以在很宽的范围内进行扫描和定位,还可以在窄范围内进行高精度扫描。
    • 6. 发明申请
    • POSITIONING APPARATUS AND METHOD
    • 定位装置和方法
    • US20100117486A1
    • 2010-05-13
    • US11919291
    • 2006-04-27
    • Andrii Volkov
    • Andrii Volkov
    • H02N2/12
    • G01Q10/02G01Q10/04G11B9/1436H02N2/0095H02N2/028H02N2/08H02N2/108H02N2/163
    • Positioning apparatus comprises: a first surface; a tubular body having a longitudinal axis and a first end surface at a first end of the tubular body, the first end surface being arranged in contact with the first surface; and surface wave generation means arranged to generate a first travelling surface wave on the first end surface, the first travelling surface wave travelling along a first portion of the first end surface in a first direction around the first end surface, and, while the first travelling surface wave is travelling along the first portion of the first end surface, to generate a second travelling surface wave on the first end surface, the second travelling surface wave travelling along a second portion of the first end surface in a second direction around the first end surface, the second direction being opposite to the first direction. Interaction between the first surface and the first and second travelling surface waves effects relative movement between the first surface and the tubular body. In certain embodiments the tubular body comprises piezoelectric material, and the surface waves are generated by applying voltages to electrodes.
    • 定位装置包括:第一表面; 管状体,其具有纵向轴线和在所述管状体的第一端处的第一端表面,所述第一端表面布置成与所述第一表面接触; 以及表面波生成单元,被配置为在所述第一端面上产生第一行进面波,所述第一行进面波围绕所述第一端面沿着第一方向沿所述第一端面的第一部分行进,并且在所述第一行进面 表面波沿着第一端面的第一部分行进,以在第一端面上产生第二行进表面波,第二行进表面波围绕第一端沿第二方向沿第一端面的第二部分行进 第二方向与第一方向相反。 第一表面与第一和第二行进表面波之间的相互作用影响第一表面和管状体之间的相对运动。 在某些实施例中,管体包括压电材料,并且通过向电极施加电压来产生表面波。