Workpiece
🔔 Glass
🔔 Thickness: 0.140mm → 0.068mm
🔔 Required Roughness Sa < 400nm
Challenges
❌ Severe cutter marks
❌ Thin glass without much room for polishing
❌ Easy to crack, low yield
Benefits
✅ Surface roughness Sa down by 52%, from 531nm to 254nm
✅ No cutter marks or cracks