Fig. 1. Experimental setup and welding equipment. (a) Schematic of experimental setup; (b) physical picture of automatic femtosecond laser welding equipment for fully tempered vacuum glass

Fig. 2. New laser welding fixture^[16-17]

Fig. 3. Schematic of structure of fully tempered vacuum glass

Fig. 4. Diagram of plasma luminescence region induced by femtosecond laser

Fig. 5. Morphologies of welding areas of fully tempered vacuum glass welding samples observed by optical microscope. (a) Welding area without ablation and cracks under continuous scanning welding process; (b) surface of glass that fails to be welded under continuous scanning welding process; (c) welding area without ablation and cracks under intermittent scanning welding process; (d) welding area with slight ablation and cracks under intermittent scanning welding process

Fig. 6. Push-pull experiment. (a) Schematic diagram of push-pull test; (b) fracture of tested sample

Fig. 7. Physical image of fully tempered vacuum glass after welding (40 cm×40 cm)

Fig. 8. Photo of side of fully tempered vacuum glass sprayed and sealed with indium