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    • 5. 发明授权
    • Optical probe microscope having a fiber optic tip that receives both a
dither motion and a scanning motion, for nondestructive metrology of
large sample surfaces
    • 具有接收抖动和扫描运动的光纤尖端的光学探针显微镜,用于大样品表面的非破坏性测量
    • US5693938A
    • 1997-12-02
    • US657390
    • 1996-06-03
    • Herschel Maclyn MarchmanJay Kenneth Trautman
    • Herschel Maclyn MarchmanJay Kenneth Trautman
    • G01N37/00G01Q60/18G01Q60/30G02B21/00H01J3/14H01J37/00
    • G01Q60/22B82Y20/00B82Y35/00
    • An optical probe microscope includes an optical fiber oriented in a vertical direction. The fiber has a tip that emits light onto a horizontal surface of a sample to be measured. This surface can have both desired and undesired departures from planarity. An electromechanical device for imparting dither motion to the fiber tip is superposed on another electromechanical device for imparting two-dimensional horizontal scanning motion to the fiber tip. The dither motion has a much higher frequency than that of the scanning motion. Between successive scannings, another device moves the sample itself from one horizontal position to another. A microscope receives the optical radiation either transmitted or reflected by the sample surface. The microscope forms a (magnified) image of this received optical radiation on the surface of an optical image position detector. The surface of this detector has a relatively large area compared with that of the (magnified) image. The resulting electrical signal developed by the detector provides desired information concerning the scanning position of the fiber tip. Also, this electrical signal is processed and fed back to a vertical pusher that maintains desirably constant the distance of the fiber tip from the sample surface.
    • 光学探针显微镜包括沿垂直方向取向的光纤。 纤维具有将待测样品的水平表面发光的尖端。 该表面可以具有期望的和不期望的偏离平面度。 将用于将纤维尖端的抖动运动的机电装置叠加在另一机电装置上,以向纤维尖端施加二维水平扫描运动。 抖动运动的频率高于扫描运动的频率。 在连续扫描之间,另一个设备将样本本身从一个水平位置移动到另一个水平位置。 显微镜接收由样品表面透射或反射的光辐射。 显微镜在光学图像位置检测器的表面上形成这种接收光辐射的(放大)图像。 该检测器的表面与(放大)图像相比具有相对较大的面积。 由检测器产生的所得电信号提供了关于光纤尖端的扫描位置的期望信息。 此外,该电信号被处理并反馈到垂直推动器,其保持纤维尖端与样品表面的距离期望地恒定。
    • 6. 发明授权
    • Optical probe microscope having a fiber optic tip that receives both a
dither motion and a scanning motion, for nondestructive metrology of
large sample surfaces
    • 具有接收抖动和扫描运动的光纤尖端的光学探针显微镜,用于大样品表面的非破坏性测量
    • US5811796A
    • 1998-09-22
    • US881293
    • 1997-06-24
    • Herschel Maclyn MarchmanJay Kenneth Trautman
    • Herschel Maclyn MarchmanJay Kenneth Trautman
    • G01Q60/18G01Q90/00G02B21/00H01J3/14H01J37/00
    • G01Q60/22B82Y20/00B82Y35/00G02B21/002
    • An optical probe microscope includes an optical fiber oriented in a vertical direction. The fiber has a tip that emits light onto a horizontal surface of a sample to be measured. This surface can have both desired and undesired departures from planarity. An electromechanical device for imparting dither motion to the fiber tip is superposed on another electromechanical device for imparting two-dimensional horizontal scanning motion to the fiber tip. The dither motion has a much higher frequency than that of the scanning motion. Between successive scannings, another device moves the sample itself from one horizontal position to another. A microscope receives the optical radiation either transmitted or reflected by the sample surface. The microscope forms a (magnified) image of this received optical radiation on the surface of an optical image position detector. The surface of this detector has a relatively large area compared with that of the (magnified) image. The resulting electrical signal developed by the detector provides desired information concerning the scanning position of the fiber tip. Also, this electrical signal is processed and fed back to a vertical pusher that maintains desirably constant the distance of the fiber tip from the sample surface.
    • 光学探针显微镜包括沿垂直方向取向的光纤。 纤维具有将待测样品的水平表面发光的尖端。 该表面可以具有期望的和不期望的偏离平面度。 将用于将纤维尖端的抖动运动的机电装置叠加在另一机电装置上,以向纤维尖端施加二维水平扫描运动。 抖动运动的频率高于扫描运动的频率。 在连续扫描之间,另一个设备将样本本身从一个水平位置移动到另一个水平位置。 显微镜接收由样品表面透射或反射的光辐射。 显微镜在光学图像位置检测器的表面上形成这种接收光辐射的(放大)图像。 该检测器的表面与(放大)图像相比具有相对较大的面积。 由检测器产生的所得电信号提供了关于光纤尖端的扫描位置的期望信息。 此外,该电信号被处理并反馈到垂直推动器,其保持纤维尖端与样品表面的距离期望地恒定。