In the laser spray tin welding system, the tin balls are transported from the tin ball box to the solder ball jet nozzle. After being heated and melted by the laser, they are sprayed from the special solder ball jet nozzle and directly cover the pad without additional flux or other tools.
Solder ball spray welding is adopted, with high welding precision, and there are requirements for temperature or soft board connection welding area. During the whole process, the solder joints are not in contact with the main body of the soldering, which solves the electrostatic threat caused by the contact during the soldering process.