摘要:
A combination apparatus having a scanning electron microscope includes equipment for performing any of observing, measuring and processing operations on a sample placed in a sample chamber. The sample chamber contains a focused electron beam irradiating unit apart from the components for performing the observing, measuring and processing operations. The focused electron beam irradiating unit irradiates a finely focused electron beam onto the surface of the sample for electron microscopic observation in scanning fashion. This setup allows the observing, measuring or processing equipment to combine with the scanning electron microscope without appreciably enlarging the construction of the combination apparatus.
摘要:
An atomic force microscope is provided for sensing displacement of a cantilever based on scanning tunneling microscopy. The atomic force microscope includes a cantilever moving system which allows the cantilever to be moved or slipped between an STM tip and a sample. This results in the microscope being able to carry out atomic force microscopy and tunneling microscopy without changing a single STM tip and to control the very small force between the sample and the tip to be constant.
摘要:
A surface observing apparatus for obtaining information of a specimen comprises a probe disposed in the close vicinity of the specimen, a deformable cantilever for holding the probe, a scanning mechanism for scanning a surface of the specimen with the probe and a detector for detecting displacements of the cantilever to thereby allow information of the specimen to be derived on the basis of the displacement of the cantilever. The apparatus further comprises a first detector for detecting a force acting on the probe from the displacement of the cantilever, and a second detector for measuring a change in the force acting on the probe on the basis of the displacement of the cantilever.
摘要:
In a surface topographic observation method using a scanning tunneling microscope, a probe is moved away from the surface of a sample and is moved on a plane to successively move it to points of measurement on the surface of the sample in order to obtain texture information of the sample. That is, the probe is moved on a plane completely preventing the probe tip from colliding with the surface of the sample and enabling the probe to effect scanning at high speeds.
摘要:
A surface microscope includes a device which brings a probe close to a surface of a sample to scan it therewith for producing a tunnel current between the probe and the sample to measure the superficial shape of the sample by detecting the tunnel current. A device for varying a gap between the probe and the sample, a system for detecting a variable component of the tunnel current varying, accompanied by variations in the gap by the device for varying same, a divider for calculating the ratio of the variable component of the tunnel current to the tunnel current, and a calculator for calculating tunnel barrier information, based on the quotient obtained by the divider, are combined with a display for displaying the measured superficial shape of the sample and the tunnel barrier information thus calculated.
摘要:
A scanning surface microscope is disclosed which includes a unit for moving a sample, and a micro-balance whose balance bar is provided with a probe-tip and an electrode at both ends thereof, to convert the irregularities of a sample surface facing the probe-tip into the displacement of the balance bar by utilizing a force generated between the probe-tip and the sample surface. The movement of the electrode indicative of the displacement of the balance bar is detected to obtain the topography of the sample surface.
摘要:
In an apparatus for measuring texture and characterization of the surface of a sample on the basis of the drive signal of a servo control circuit by allowing a probe-tip (1) to approach the sample (2) and subjecting the probe-tip (1) to servo control so that a current, which is generated by moving the probe-tip (1) on the sample surface and which flows between the probe-tip (1) and the sample (2), becomes constant, the present invention discloses a surface metrological apparatus comprising a circuit (11, 12) for correcting the texture and characterization of the sample by use of a current error of the measured value of the current described above from the set current value.
摘要:
An electron beam recording and reproducing apparatus which radiates the electron beam emitted from a needle cathode to a disc for recording and reproduction is disclosed. The needle cathode moves on the disc. A magnetic field is applied in the axial direction of the needle cathode in order to converge and radiate the electron beam emitted from the needle cathode to the disc.
摘要:
A scanning tunneling microscope, in which the gap between a tip having a keenly sharpened end and a sample is narrowed to let flow a tunneling current between them and thereby allow observation of the surface of the sample, a strain wave detecting device is disposed on the sample or in the vicinity of the sample to detect strain waves generated within the sample. By modulating the value of the above described tunneling current, strain waves are generated within the sample. The strain waves are detected by the above described strain wave detecting device. On the basis of the amplitude information and phase information of detected strain waves, physical information regarding the inside of the sample is obtained.
摘要:
A piezoelectric motor is disclosed, which comprises a slider including a tabular vibrator in which a standing wave is excited, and a plurality of piezoelectric actuators securely mounted at the parts of the lower surface of the vibrator corresponding to the loop and node of the standing wave and adapted to be deformed in phase with the standing wave.