BCB bonding is beneficial as it's considerably less stringent flatness necessities for that bonding area which is an Energetic location of exploration. Nevertheless, it is important to note that LNOI will also be created employing BCB [24, 25]. Yet, it may exhibit balance troubles, specially when subjected to large-temperature processing. https://lithium-niobate-crystal13567.life3dblog.com/31525683/a-review-of-lithium-niobate-crystal