Fig. 1. Flow chart of multi-station molded lenses

Fig. 2. Microscopic schematic diagram of contact surface between pin material and mold

Fig. 3. Structure diagram of forming mold

Fig. 4. Physical drawing of 7-station molding machine

Fig. 5. Internal structure diagram of molding chamber and gap adjustment

Fig. 6. Fog spots on lens surface at 206°C

Fig. 7. Lens press-cutting curve at 206°C

Fig. 8. Fog spots on lens surface at 213°C

Fig. 9. Fog spots on lens surface with non-contact preheating at 213°C

Fig. 10. Lens surface with non-contact preheating at 211°C

Fig. 11. Lens press-cutting curve with non-contact preheating at 211°C

Fig. 12. Surface domain spectra and element content in non-foggy spots region of lens

Fig. 13. Surface domain spectra and element content in fog spots region of lens

Fig. 14. Lens non-foggy spots region

Fig. 15. Lens fog spots region