脱模剂对基板类单面封装质量及塑封料关键性能的影响OA

To optimize the appearance quality and continuous operability of epoxy molding compounds for single-sided encapsulation of substrates,the effects of natural wax A,synthetic wax B and their blended system on the fundamental properties and release force of the molding compounds are investigated.Three experimental groups are designed;the effects of release agent types on key properties of the molding compounds are systematically analyzed through gelation time tests,spiral flow length tests,melt viscosity tests,release force tests,disc simulation,and continuous operability verification of single-sided encapsulation.Results indicate that no significant difference is observed in the effects of the three systems on gelation time;natural wax A reduces the melt viscosity of the molding compounds,improves flowability and decreases release force,but tends to cause surface flow marks;synthetic wax B exhibits poorer release performance;the blended system demonstrates the best overall performance,balancing good flowability,appearance integrity,and excellent continuous operability.