STM-T Teaching-Oriented Scanning Tunnel Microscope

Sample Size
Φ≤90mm，H≤20mm

Resolution
X/Y: 0.05nm, Z: 0.01nm

Constant-high mode

Constant-current mode

DSP digital feedback

Compact and detachable design ,portable and suit for teaching
Scan head and sample scanning stage are designed together, strong anti-vibration performance
Sample approaches the probe vertically automatically with single axle drive, locating the scanned area accurately, and making the tip perpendicular to the sample scanning
Intelligent injection mode for automatic detection of pressurized electrical ceramics controlled by motor, for protecting the probe and sample
Lateral CCD View System for real-time observe the needle entering status of the probe and locate the scanning area of probe sample
Adopt spring for vibration isolation, simple and good performance
Integrated scanner hardware nonlinear correction user editor, nano-characterization and measurement accuracy is better than 98%

Specification for STM-T
Operation Modes	Constant-high mode, Constant-current mode
Sample Size	Φ≤90mm，H≤20mm
Max. Scan Range	XY:1μm, Z: 0.2μm
Resolution	X/Y: 0.05nm, Z: 0.01nm
Sample movement	0~13mm
Optical Mag.	4X
Optical Resolution	2.5μm
Scan rate	0.6Hz~4.34Hz
Scan angle	0~360°
Scanning control	XY: 18-bit D/A, Z: 16-bit D/A
Data sampling	One 14-bit A/D and double 16-bit A/D multiple-channel simultaneously
Feedback Mode	DSP digital feedback
Feedback sampling rate	64.0KHz
Interface	USB2.0/3.0
Operation Environment	Compatible with WindowsXP/7/8/10

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