Surface Metrology for Micro- and Nanofabrication

Prof. Wei Gao is the Chair of the Precision Nanometrology Laboratory and Director of the Research Center for Precision Nanosystems at the Department of Fine Mechanics in the Graduate School of Engineering, Tohoku University, Japan. His research focuses on precision engineering, precision metrology, micro/nano-nanometrology, optical sensors, surface metrology, on-machine and in-process measurement, and motion measurement.

• 1. Noncontact Scanning Electrostatic Force Microscope2. Quartz Tuning Fork Atomic Force Microscope3. Micropipette Ball Probing System4. Low-Force Elastic Beam Surface Profiler5. Linear-Scan Micro Roundness Measuring Machine6. Micro-Gear Measuring Machine7. On-Machine Length Gauge Surface Profiler8. On-Machine Air-Bearing Surface Profiler9. On-Machine Atomic Force Microscope10. On-Machine Roll Profiler11. In-Process Fast Tool Servo Profiler12. Self-Calibration of Prove Tip Radius and Cutting Edge Sharpness