After The two substrates are bonded, possibly an ultraviolet (UV) beam is directed, or heat or perhaps a stress is partly applied the sealant involving the initial and second substrates 510 and 520, for setting the sealant to repair the primary and next substrates 510 and 520 (move 5S in https://jiutustore.com/collections/optical-bonding-machine/Optical-Bonding-Machine