List of proposals for problem solving
Fiber optic connector
Gas pipeline inspection work
Semiconductor related
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For those who have trouble evaluating the finish of the substrate surface after polishing
Polishing damage on the surface of the single crystal substrate by observing the cross-section TEM - 
For those who have trouble grasping the three-dimensional structure of semiconductor materials, battery materials, etc.
3D reconstruction with FIB-SEM 

close up