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热词
    • 3. 发明授权
    • Scanning tunneling microscope
    • 扫描隧道显微镜
    • US5138159A
    • 1992-08-11
    • US727005
    • 1991-07-08
    • Tsugiko TakaseTakao Okada
    • Tsugiko TakaseTakao Okada
    • G01B7/34G01B11/30G01N37/00G01Q10/00G01Q20/02G01Q30/04G01Q60/02G01Q60/10G01Q60/16G01Q60/22G01Q70/10G02B21/00H01J37/28
    • G01Q60/16B82Y20/00B82Y35/00G01Q60/22Y10S977/852Y10S977/861
    • White light emitted from a light source is made incident on a spectroscope via a lens. The light from the spectroscope is converged by a lens and fed to one end of an optical fiber. The other end of the fiber is provided with a probe. The probe has a pointed end portion coated with a total reflection film and a transparent electrically conductive film. The probe is attached to a cylindrical piezoelectric actuator via a metal frame. Thus, the probe is scanned along the surface of a sample, and the distance between the probe and the surface of the sample is controlled. The light emitted from the tip of the probe and transmitted through the sample is converged by a lens system and radiated on a photoelectrical conversion element. The output from the photoelectrical conversion element is processed by a signal processor, and the processed result is displayed on a display. A driver circuit scans the probe along the surface of the sample, and controls the distance between the probe and the sample upon receiving a tunnel current. The output from the driver circuit is processed by the signal processor and an STM image is displayed on the display.
    • 从光源发出的白光通过透镜入射到分光镜上。 来自分光镜的光由透镜会聚并馈送到光纤的一端。 纤维的另一端设置有探针。 探针具有涂覆有全反射膜和透明导电膜的尖端部分。 探头通过金属框架连接到圆柱形压电致动器。 因此,沿着样品的表面扫描探针,并且控制探针与样品表面之间的距离。 从探针的尖端发射并透过样品的光由透镜系统会聚并辐射到光电转换元件上。 光电转换元件的输出由信号处理器处理,处理结果显示在显示器上。 驱动电路沿着样品的表面扫描探头,并在接收隧道电流时控制探头与样品之间的距离。 来自驱动电路的输出由信号处理器处理,STM图像显示在显示器上。