After The two substrates are bonded, possibly an ultraviolet (UV) beam is directed, or heat or even a strain is partly utilized the sealant amongst the primary and second substrates 510 and 520, for setting the sealant to fix the very first and second substrates 510 and 520 (phase 5S https://jiutustore.com/collections/optical-bonding-machine/Optical-Bonding-Machine