After The two substrates are bonded, either an ultraviolet (UV) beam is directed, or warmth or simply a pressure is partly utilized the sealant among the initial and second substrates 510 and 520, for location the sealant to fix the very first and next substrates 510 and 520 (phase 5S https://jiutustore.com/collections/optical-bonding-machine/Optical-Bonding-Machine